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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-53.084072
Energy at 298.15K-53.089992
HF Energy-52.817759
Nuclear repulsion energy31.751412
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/daug-cc-pVDZ
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 2614 2614        
2 Ag 2173 2173        
3 Ag 1203 1203        
4 Ag 808 808        
5 Au 840 840        
6 B1g 2691 2691        
7 B1g 934 934        
8 B1u 1990 1990 15.75      
9 B1u 993 993 26.04      
10 B2g 1881 1881        
11 B2g 881 881        
12 B2u 2705 2705 182.17      
13 B2u 982 982 2.39      
14 B2u 373 373 15.13      
15 B3g 1070 1070        
16 B3u 2598 2598 149.88      
17 B3u 1750 1750 546.92      
18 B3u 1188 1188 89.70      

Unscaled Zero Point Vibrational Energy (zpe) 13835.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13835.9 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/daug-cc-pVDZ
ABC
2.63086 0.59610 0.54725

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.894 0.000 0.000
B2 -0.894 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
H5 1.472 1.053 0.000
H6 1.472 -1.053 0.000
H7 -1.472 1.053 0.000
H8 -1.472 -1.053 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78831.32771.32771.20061.20062.58962.5896
B21.78831.32771.32772.58962.58961.20061.2006
H31.32771.32771.96302.05852.05852.05852.0585
H41.32771.32771.96302.05852.05852.05852.0585
H51.20062.58962.05852.05852.10502.94373.6190
H61.20062.58962.05852.05852.10503.61902.9437
H72.58961.20062.05852.05852.94373.61902.1050
H82.58961.20062.05852.05853.61902.94372.1050

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.669 B1 H4 B2 84.669
H3 B1 H4 95.331 H3 B1 H5 108.907
H3 B1 H6 108.907 H3 B2 H4 95.331
H3 B2 H7 108.907 H3 B2 H8 108.907
H4 B1 H5 108.907 H4 B1 H6 108.907
H4 B2 H7 108.907 H4 B2 H8 108.907
H5 B1 H6 122.478 H7 B2 H8 122.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability