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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD(T)/aug-cc-pVTZ

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(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-53.146477
Energy at 298.15K-53.152399
HF Energy-52.835311
Nuclear repulsion energy32.109629
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(T)/aug-cc-pVTZ
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 2625 2546        
2 Ag 2181 2115        
3 Ag 1206 1170        
4 Ag 815 790        
5 Au 855 829        
6 B1g 2702 2621        
7 B1g 940 912        
8 B1u 2011 1950        
9 B1u 996 966        
10 B2g 1897 1839        
11 B2g 894 867        
12 B2u 2717 2635        
13 B2u 976 946        
14 B2u 368 357        
15 B3g 1064 1032        
16 B3u 2608 2530        
17 B3u 1752 1699        
18 B3u 1195 1159        

Unscaled Zero Point Vibrational Energy (zpe) 13899.1 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 13480.7 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(T)/aug-cc-pVTZ
ABC
2.67823 0.61173 0.56174

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.882 0.000 0.000
B2 -0.882 0.000 0.000
H3 0.000 0.000 0.976
H4 0.000 0.000 -0.976
H5 1.454 1.042 0.000
H6 1.454 -1.042 0.000
H7 -1.454 1.042 0.000
H8 -1.454 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76301.31531.31531.18871.18872.55752.5575
B21.76301.31531.31532.55752.55751.18871.1887
H31.31531.31531.95242.03792.03792.03792.0379
H41.31531.31531.95242.03792.03792.03792.0379
H51.18872.55752.03792.03792.08312.90863.5776
H61.18872.55752.03792.03792.08313.57762.9086
H72.55751.18872.03792.03792.90863.57762.0831
H82.55751.18872.03792.03793.57762.90862.0831

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.163 B1 H4 B2 84.163
H3 B1 H4 95.837 H3 B1 H5 108.841
H3 B1 H6 108.841 H3 B2 H4 95.837
H3 B2 H7 108.841 H3 B2 H8 108.841
H4 B1 H5 108.841 H4 B1 H6 108.841
H4 B2 H7 108.841 H4 B2 H8 108.841
H5 B1 H6 122.384 H7 B2 H8 122.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability