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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-53.100328
Energy at 298.15K-53.106263
HF Energy-52.832491
Nuclear repulsion energy32.112968
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2660 2539        
2 Ag 2213 2113        
3 Ag 1233 1177        
4 Ag 819 782        
5 Au 859 819        
6 B1g 2739 2614        
7 B1g 958 914        
8 B1u 2030 1937 14.63      
9 B1u 1008 962 23.23      
10 B2g 1916 1828        
11 B2g 862 823        
12 B2u 2753 2628 182.40      
13 B2u 1009 963 3.09      
14 B2u 373 356 14.21      
15 B3g 1067 1018        
16 B3u 2644 2523 146.32      
17 B3u 1783 1702 535.30      
18 B3u 1220 1165 91.49      

Unscaled Zero Point Vibrational Energy (zpe) 14072.1 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 13430.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/TZVP
ABC
2.69303 0.60999 0.56039

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.883 0.000 0.000
B2 -0.883 0.000 0.000
H3 0.000 0.000 0.973
H4 0.000 0.000 -0.973
H5 1.457 1.039 0.000
H6 1.457 -1.039 0.000
H7 -1.457 1.039 0.000
H8 -1.457 -1.039 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76591.31361.31361.18741.18742.56072.5607
B21.76591.31361.31362.56072.56071.18741.1874
H31.31361.31361.94522.03712.03712.03712.0371
H41.31361.31361.94522.03712.03712.03712.0371
H51.18742.56072.03712.03712.07832.91493.5800
H61.18742.56072.03712.03712.07833.58002.9149
H72.56071.18742.03712.03712.91493.58002.0783
H82.56071.18742.03712.03713.58002.91492.0783

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.468 B1 H4 B2 84.468
H3 B1 H4 95.532 H3 B1 H5 108.979
H3 B1 H6 108.979 H3 B2 H4 95.532
H3 B2 H7 108.979 H3 B2 H8 108.979
H4 B1 H5 108.979 H4 B1 H6 108.979
H4 B2 H7 108.979 H4 B2 H8 108.979
H5 B1 H6 122.125 H7 B2 H8 122.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability