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Chemical compound
Diborane(6), commonly known as diborane, is the inorganic compound with the formula B2H6. It is a highly toxic, colorless, and pyrophoric gas with a repulsively
Diborane
Chemical compound
form adducts, borane is very rarely observed. It normally dimerizes to diborane in the absence of other chemicals. It can be observed directly as a continuously
Borane
Chemical compound
There are other forms of diborane with different numbers of hydrogen atoms, including diborane(4) and diborane(6). Diborane(2) is a highly reactive molecule
Diborane(2)
Chemical element with atomic number 5 (B)
air-stable salt, and it converts to diborane by treatment with boron trifluoride: 3 NaBH4 + 4 BF3 → 2 (BH3)2 + 3 NaBF4 Diborane is the dimer of the parent called
Boron
Chemical compound
Diborane(4) is a transient inorganic compound with the chemical formula B 2H 4. Stable derivatives are known. Diborane(4) has been produced by abstraction
Diborane(4)
Gas used to create buoyancy in a balloon or aerostat
far more expensive, rendering use as a lifting gas highly impractical. Diborane is slightly lighter than molecular nitrogen, with a molecular mass of 27
Lifting_gas
Hazmat labeling system
and will burn readily (e.g., gasoline, acetylene, propane, hydrogen gas, diborane, tert-butyllithium). Includes pyrophoric substances. Flash point below
NFPA_704
Chemical compound
compound with the formula [(CH3)BH2]2. Structurally, it is related to diborane, but with methyl groups replacing terminal hydrides on each boron. It is
1,2-Dimethyldiborane
Chemical element with atomic number 1 (H)
elements not only as a terminal ligand but also as bridging ligands. In diborane (B2H6), four hydrogen atoms are terminal, while two bridge between the
Hydrogen
Class of chemical compounds
structure and bonding. First, new synthetic techniques were required to handle diborane and many of its derivatives, which are both pyrophoric and volatile. Alfred
Boranes
Chemical process of joining two molecular entities by bonds of any kind
molecules and ions are described as dimers, even when the monomer is elusive. Diborane (B2H6) is an dimer of borane, which is elusive and rarely observed. Almost
Dimerization
American chemist (1912–2004)
reactions of diborane, B2H6. Hermann Irving Schlesinger's laboratory at the University of Chicago was one of two laboratories that prepared diborane. It was
Herbert_C._Brown
Electron-deficient chemical bond where three atoms share two electrons
Example molecules with 3c–2e bonds are the trihydrogen cation (H+ 3) and diborane (B 2H 6). In these two structures, the three atoms in each 3c–2e bond form
Three-center two-electron bond
Three-center_two-electron_bond
Chemical bond by sharing of electron pairs
electrons in bonding. This type of bonding occurs in boron hydrides such as diborane (B2H6), which are often described as electron deficient because there are
Covalent_bond
American chemist (1919–2011)
diborane (diagrams at right). In an ordinary covalent bond a pair of electrons bonds two atoms together, one at either end of the bond, the diborane B-H
William_Lipscomb
Chemical compound
NaH in mineral oil is often directly used, such as in the production of diborane. NaH is a base of wide scope and utility in organic chemistry. As a superbase
Sodium_hydride
Chemical compound
hydrogen. Unlike diborane, It is quite stable at room temperature if stored properly. It is much more stable in presence of water than diborane. Pentaborane
Pentaborane(9)
Chemical compound
hydrogen fuel, but is otherwise primarily of academic interest. Reaction of diborane with ammonia mainly gives the diammoniate salt [H2B(NH3)2]+[BH4]−
Ammonia_borane
Organic compound of the form R–B(OH)2
acid, is an intermediate in the hydrolysis of diborane. It disproportionates to boric acid and diborane, with a gas-phase lifetime of 30 seconds at room
Boronic_acid
Any chemical compound having at least one boron atom
borane, but it is known only in the gaseous state, and dimerises to form diborane, B2H6. The larger boranes all consist of boron clusters that are polyhedral
Boron_compounds
Chemical compound
closely related to triethylaluminium. The structure and bonding in Al2R6 and diborane are analogous (R = alkyl). In Al2Me6, the Al-C(terminal) and Al-C(bridging)
Trimethylaluminium
Chemical compound
solvents. Although usually purchased, BMS can be prepared by absorbing diborane into dimethyl sulfide: B2H6 + 2 S(CH3)2 → 2 BH3·S(CH3)2 It can be purified
Borane_dimethylsulfide
Chemical compound
macrobicyclic diamide. This di(tertiary)amide is reduced to the diamine by diborane. [2.2.2]Cryptand binds K+ as an octadentate N2O6 ligand. The resulting
2.2.2-Cryptand
Combining capacity of elements with other atoms
F− ↔ F− H−F] Another example is the three-center two-electron bond in diborane (B2H6). Maximum valences for the elements are based on the data from list
Valence_(chemistry)
Class of chemical compounds
Boron has the ability to form "three-center-two-electron bond." Pictured here are the resonance structures of a 3c-2e bond in diborane.
Carborane_acid
Rapid and hot oxidation of a material
Conference. OSTI 767866. Whitley, Ollie; Belding, Stephen (October 2020). "Diborane: The Story of an Undergraduate vs a Nobel Laureate". Molecule of the Month
Fire
Chemical compound
borane-tetrahydrofuran (THF), borane-dimethylsulfide, borane-N,N-diethylaniline, or diborane as the borane source. Enantioselective reduction using chiral oxazaborolidine
(R)-2-Methyl-CBS-oxazaborolidine
(R)-2-Methyl-CBS-oxazaborolidine
Chemical compound
rate avoids gumming as water evolves. Boron oxide will also form when diborane (B2H6) reacts with oxygen in the air or trace amounts of moisture: 2B2H6(g)
Boron_trioxide
Chemical compound
the reaction of diborane and trimethylborane. This reaction produces four different substitution of methyl with hydrogen on diborane. Produced are 1-methyldiborane
1,1-Dimethyldiborane
Chemical species that donates an electron to another species in a redox reaction
alloy (Na + Pb) Zinc amalgam (Zn(Hg)) (reagent for Clemmensen reduction) Diborane Sodium borohydride (Na BH4) Ferrous compounds that contain the Fe2+ ion
Reducing_agent
Addition of a hydrogen-boron bond to C=C, C=N, C=O, or C≡C bonds
Herbert C. Brown. Much of the original work on hydroboration employed diborane as a source of BH3. Usually however, borane dimethylsulfide complex BH3S(CH3)2
Hydroboration
6-sided cyclic compound of oxygen and boron
It is thermodynamically unstable with respect to disproportionation to diborane and boron oxide. Some reactivity studies and an IR spectrum are reported
Boroxine
Chemical compound
and pyrazole without a solvent. KBH4 + 3 C3N2H4 → KHB(C3N2H3)3 + 3 H2 Diborane is produced by treating potassium borohydride with phosphoric acid. In
Potassium_borohydride
Chemical compound
commercially available but can also be generated by the dissolution of diborane in THF. Alternatively, it can be prepared by the oxidation of sodium borohydride
Borane–tetrahydrofuran
Any chemical compound having a borohydride anion
and Herbert C. Brown. They synthesized lithium borohydride Li[BH4] from diborane B2H6: 2 MH + B2H6 → 2 M[BH4], where M = Li, Na, K, Rb, Cs, etc. Current
Borohydride
British chemist and cognitive scientist (1923–2004)
undergraduate he proposed the correct bridged structure of the chemical compound diborane (B2H6), whose structure was then unknown and turned out to be different
Christopher_Longuet-Higgins
Chemical compound
alkyldiboranes, consisting of a methyl group substituted for a hydrogen in diborane. As with other boranes it exists in the form of a dimer with a twin hydrogen
Methyldiborane
Chemical compound
[CH2R]4. Bonding within the cluster is related to that used to describe diborane, but more complex since eight atoms are involved. Reflecting its electron-rich
N-Butyllithium
Description of a molecule's true bond structure as a combination of structures
charge can also be depicted as delocalized among three carbon atoms. The diborane molecule is described by contributing structures, each with electron-deficiency
Resonance_(chemistry)
Type of chemical bond
bonds. Examples include diiron hexacarbonyl (Fe2(CO)6), dicarbon (C2), and diborane(2) (B2H2). In these compounds the central bond consists only of pi bonding
Pi_bond
Boron compound
Stock and Erich Pohland by a reaction of diborane with ammonia. Borazine can be synthesized by treating diborane and ammonia in a 1:2 ratio at 250–300 °C
Borazine
Chemical compound
decomposition is usually facilitated by mixing WF6 with hydrogen, silane, germane, diborane, phosphine, and related hydrogen-containing gases. WF6 reacts upon contact
Tungsten_hexafluoride
Tendency of a chemical compound to ignite in open air
tert-Butyllithium Diethylzinc Triethylaluminium Nonmetal hydrides (arsine, phosphine, diborane, germane, silane) Metal carbonyls (dicobalt octacarbonyl, nickel carbonyl)
Pyrophoricity
Chemical compound
atmosphere in fumigation as a flux for soldering magnesium to prepare diborane Boron trifluoride was discovered in 1808 by Joseph Louis Gay-Lussac and
Boron_trifluoride
Chemical element with atomic number 31 (Ga)
dimer Ga 2H 6 (digallane) is formed as a gas. Its structure is similar to diborane, having two hydrogen atoms bridging the two gallium centers, unlike α-AlH
Gallium
Chemical compound
oxidizing properties. It reacts explosively with water, hydrogen sulfide, diborane, and nitrogen oxides. Hydrofluoric acid produced by the hydrolysis of OF2
Oxygen_difluoride
Class of chemical compounds
species, other clusters result by pyrolysis, sometimes in the presence of diborane: C2B6H8, C2B8H10, and C2B7H9. In general, isomers having non-adjacent cage
Carborane
High purity form of silicon
by adding phosphine, arsine, or diborane. Adding phosphine or arsine results in slower deposition, while adding diborane increases the deposition rate.
Polycrystalline_silicon
Cycloheximide Cyclohexylamine Decaborane(14) Demeton Demeton-S-methyl Dialifor Diborane Dichloroethyl ether Dichloromethylphenylsilane Dichlorvos Dicrotophos Diepoxybutane
EPA list of extremely hazardous substances
EPA_list_of_extremely_hazardous_substances
86 13465-71-9 Trifluoromethyl hypofluorite CF3OF −95 −215 104 373-91-1 Diborane B2H6 −92.49 −164.85 28 19287-45-7 3,3-Difluorodiazirine c-CF2N2 −91.3 78
List_of_gases
Intentional introduction of impurities into an intrinsic semiconductor
in silicon photovoltaics and uses chemicals such as Boron tribromide or diborane as a source for doping with boron. With the diffusion process, the wafer
Doping_(semiconductor)
Type of rocket engine fuel
hazards, but offers higher specific impulse than ClF3. Pentaborane(9) and diborane + nitrogen tetroxide – Pentaborane(9), a so-called zip fuel, was studied
Hypergolic_propellant
Chemical compound
principle, 1-hexene could be converted to 1-hexanol by hydroboration (diborane in tetrahydrofuran followed by treatment with hydrogen peroxide and sodium
1-Hexanol
Study of compounds containing a boron-carbon bond
derivatives, the primary and secondary hydrides (n = 1 or 2) are, like diborane itself, strongly Lewis acidic and dimerize in condensed phases. The trialkyl
Organoboron_chemistry
110-22-5 5000 Diazomethane 334-88-3 500 Dibenzoyl peroxide 94-36-0 7500 Diborane 19287-45-7 100 tert-Dibutyl peroxide 110-05-4 5000 Dichloroacetylene 7572-29-4
Highly_hazardous_chemical
Chemical compound
Disiamylborane is prepared by hydroboration of trimethylethylene with diborane. The reaction stops at the secondary borane due to steric hindrance. Disiamylborane
Disiamylborane
Method of observing gaseous atomic structure
the structural chemistry of molecules are provided here: Structure of diborane B2H6 Structure of the planar trisilylamine Determinations of the structures
Gas_electron_diffraction
Molecule with a hydrogen bound to a more electropositive element or group
in fuel cells sodium hydride: a powerful base used in organic chemistry diborane: reducing agent, rocket fuel, semiconductor dopant, catalyst, used in organic
Hydride
Model of chemical bonding in which three atoms share four electrons
π-bonding such as ozone and sulfur trioxide. There are also molecules such as diborane (B2H6) and dialane (Al2H6) which have three-center two-electron (3c–2e)
Three-center four-electron bond
Three-center_four-electron_bond
Chemical reaction
reactions: mercuric acetate, water Hydroboration-oxidation reactions: diborane the Prins reaction: formaldehyde, water March, Jerry; (1985). Advanced
Electrophilic_addition
Chemical compound
P337+P313, P362, P403+P233, P405, P501 Related compounds Related compounds Diborane Diboron tetrafluoride Bis(pinacolato)diboron Except where otherwise noted
Tetrahydroxydiboron
Diazomethane CH2N2 334-88-3 2 ACGIH (1970) TWA-TLV 0.2 ppm 4 175 (Cat, 10 min) Diborane B2H6 19287-45-7 15 ACGIH (1990) TWA-TLV 0.1 ppm 4 W 40 (Rat, 4 h) Inadequate
List_of_highly_toxic_gases
Chemical bond theory
appreciably, so the adducts of borane are generated by degradation of diborane: B2H6 + 2 H− → 2 BH−4 In this case, an intermediate B2H−7 can be isolated
Lewis_acids_and_bases
Field of chemistry
buckytubes and binary carbon oxides. Examples: tetrasulfur tetranitride S4N4, diborane B2H6, silicones, buckminsterfullerene C60. Noble gas compounds include
Inorganic_chemistry
Method used to apply surface coatings
with doping, if gases such as phosphine, arsine or diborane are added to the CVD chamber. Diborane increases the growth rate, but arsine and phosphine
Chemical_vapor_deposition
Different forms of boron
use in the semiconductor industry, is produced by the decomposition of diborane at high temperatures, followed by purification via zone melting or the
Allotropes_of_boron
Chemical compound
tetramethylbisborane or TMDB ((CH3)2BH)2. Other combinations of methylation occur on diborane, including monomethyldiborane, trimethyldiborane, 1,2-dimethylborane, 1
Tetramethyldiborane
Chemical compound
sulfide)gold(I). It is used is for the production of borane dimethyl sulfide from diborane: B2H6 + 2 (CH3)2S → 2 BH3·S(CH3)2 With chlorinating agents such as sulfuryl
Dimethyl_sulfide
Thin-film deposition technique
instance of magnesium diboride (MgB2) thin-film growth, HPCVD process uses diborane (B2H6) as the boron precursor gas, but unlike conventional CVD, which only
Hybrid physical–chemical vapor deposition
Hybrid_physical–chemical_vapor_deposition
Energy per volume
01188 (HHV) 0.01005 (LHV) 39405.6 (HHV) 33313.9 (LHV) 3.3 (HHV) 2.8 (LHV) Diborane 78.2 88.4 21722.2 24600.0 Beryllium 67.6 125.1 18777.8 34750.0 Lithium
Energy_density
Chemical compound
in the hydrolysis of diborane: BH3 + H2O → H2BOH + H2 It is also produced by the comproportionation of boric acid and diborane, though this reaction
Borinic_acid
Chemical compound
related to trimethylaluminium. The structure and bonding in Al2R6 and diborane are analogous (R = alkyl). Referring to Al2Me6, the Al-C(terminal) and
Triethylaluminium
Chemical compound
+ 2AIF2BH4 (An = actinide metal) When aluminium borohydride is heated, diborane is released, and a dialuminium dihydride forms: 2 Al(BH4)3 → Al2H2(BH4)4
Aluminium_borohydride
Chemical compound
solvent. Diglyme is also used as a solvent in hydroboration reactions with diborane. It serves as a chelate for alkali metal cations, leaving anions more active
Diglyme
Weak acid with formula H3BO3
It is also formed as a byproduct of hydrolysis of boron trihalides and diborane: B2H6 + 6 H2O → 2 B(OH)3 + 6 H2 BX3 + 3 H2O → B(OH)3 + 3 HX (X = Cl, Br
Boric_acid
Chemical compound
with grease but not with teflon or glass. Trimethylborane reacts with diborane to disproportionate to form methyldiborane and dimethyldiborane: (CH3)BH2
Trimethylborane
Chemical compound
Tetramethylethylene forms metal-alkene complexes with low-valent metals and reacts with diborane to give the monoalkyborane known as thexylborane. Oxidation gives pinacol
Tetramethylethylene
Chemical compound
group symmetry C3v. Borane carbonyl was discovered in 1937 by reacting diborane with excess carbon monoxide, with the equation: B2H6 + 2 CO ⇌ 2 BH3CO.
Borane_carbonyl
Thermal decomposition of materials
area of boron-hydride clusters started with the study of the pyrolysis of diborane (B 2H 6) at ca. 200 °C. Products include the clusters pentaborane and decaborane
Pyrolysis
Symmetry of molecules of chemical compounds
bending modes have symmetry A1, while the asymmetric mode has symmetry B2. Diborane (B2H6) has D2h molecular symmetry. The terminal B–H stretching vibrations
Molecular_symmetry
Chemical compound
Beryllium borohydride is formed by the reaction of beryllium hydride with diborane in an ether solution. It can also be formed by the reaction of beryllium
Beryllium_borohydride
Related chemical elements of the periodic table
compounds with hydrogen, sometimes called boranes. The simplest borane is diborane, or B2H6. Another example is B10H14. The next group-13 elements, aluminium
Boron_group
(GeH4) for silicon and germanium deposition respectively, together with diborane (B2H6) and phosphine (PH3) for p- and n-type doping. The plasma source
Low-energy plasma-enhanced chemical vapor deposition
Low-energy_plasma-enhanced_chemical_vapor_deposition
Chemical compound
transport agent. In the solid state, it exists as the dimer Ga2I6, with a diborane structure. When vaporized, its forms GaI3 molecules of D3h symmetry where
Gallium(III)_iodide
American inorganic chemist (1882–1960)
Tuck, L. D.; Walker, A. O. (1953). "New developments in the chemistry of diborane and the borohydrides. General summary". Journal of the American Chemical
Hermann_Irving_Schlesinger
Chemical compound
(diameter 15–40 nm, length 1–10 micrometres) can be obtained by pyrolysis of diborane (B2H6) over calcium oxide (CaO) powders at 860–900 °C, in presence of Ni
Calcium_hexaboride
Chemical compound
Tuck, L. D.; Walker, A. O. (1953). "New developments in the chemistry of diborane and the borohydrides. General summary". J. Am. Chem. Soc. 75: 186–90. doi:10
Sodium_borohydride
Chemical reaction
reduction (hydrazine and alkali, heated); hydrogenolysis, or the use of diborane. Benzyl or tert-butyl acetoacetates also work well in this system, and
Knorr_pyrrole_synthesis
Chemical reaction
Aliphatic nitro compounds can be reduced to aliphatic hydroxylamines using diborane. The reaction can also be carried out with zinc dust and ammonium chloride:
Reduction_of_nitro_compounds
diboron tetrachloride 13701–67–2 B2F4 diboron tetrafluoride 13965–73–6 B2H6 diborane 19287–45–7 B2Mg magnesium diboride 12007-25-9 B2H2Se3 diboron triselenide
Glossary_of_chemical_formulae
Burning within well-defined lower and upper bounds
4 10.4 IA −94.4 °C 0.17 @ 6.3% 498 °C Decane 0.8 5.4 II 46.1 °C 210 °C Diborane 0.8 88 IA −90 °C Flammable gas 38 °C o-Dichlorobenzene, 1,2-dichlorobenzene
Flammability_limit
Pyrophoric liquid
(SDS) External SDS Related compounds Related compounds Tetraethyllead Diborane Sodium tetraethylborate Trimethylborane Triethylaluminium Triethylgallium
Triethylborane
Chemical reaction that converts an alkene to an alcohol
having the same geometric position. Thus 1-methylcyclopentene reacts with diborane predominantly to give trans-1-hydroxy-2-methylcyclopentane—the newly added
Hydroboration–oxidation reaction
Hydroboration–oxidation_reaction
plasma-facing surfaces. Unlike earlier approaches, it avoids the use of toxic diborane gas and allows continuous conditioning without interrupting plasma operations
Boronization
Chemical compound composed of boron and hydrogen atoms only
possible. Some examples of the structures are shown below. Borane BH3 Diborane(6) B2H6 arachno-Tetraborane(10) B4H10 Pentaborane(9) B5H9 Decaborane(14)
Boron_hydride_clusters
Chemical compound
Rickborn, Bruce; Wood, Stanley E. (1971). "Cleavage of cyclopropanes by diborane". Journal of the American Chemical Society. 93 (16). American Chemical
Cyclohexylmethanol
oxidize primary alcohols to aldehydes and secondary alcohols to ketones Diborane the central organic synthesis reagent for hydroboration Dicyclohexylcarbodiimide
List_of_reagents
Chemical element with metallic and nonmetallic properties
synthesis and electronics; the tribromide is used in the manufacture of diborane. Non-toxic boron ligands could replace toxic phosphorus ligands in some
Metalloid
Chemical compound
prepared catecholborane by treatment of tri-o-phenylene bis-borate with diborane. Unlike borane itself or alkylboranes, catechol borane exists as a monomer
Catecholborane
Type of covalent bond in organic chemistry
isomers. Burnelle, Louis; Kaufmann, Joyce J. (1965). "Molecular Orbitals of Diborane in Terms of a Gaussian Basis". J. Chem. Phys. 43 (10): 3540–45. Bibcode:1965JChPh
Bent_bond
DIBORANE
DIBORANE
DIBORANE
DIBORANE
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Tamil
Muniraja | à®®à¯à®¨à¯€à®°à®¾à®œà®¾Â
Lord Kuber
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English, Modern
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Indian
Glorious, Magnificent, Splendid, Brilliant, Shining
DIBORANE
DIBORANE
DIBORANE
DIBORANE
DIBORANE