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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP4/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-53.102174
Energy at 298.15K-53.108084
HF Energy-52.827864
Nuclear repulsion energy31.967502
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 MP4/6-311G**
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 2630 2551 0.00      
2 Ag 2182 2116 0.00      
3 Ag 1215 1178 0.00      
4 Ag 810 785 0.00      
5 Au 857 831 0.00      
6 B1g 2712 2629 0.00      
7 B1g 945 916 0.00      
8 B1u 2002 1941 0.00      
9 B1u 1002 972 0.00      
10 B2g 1895 1837 0.00      
11 B2g 887 861 0.00      
12 B2u 2725 2642 0.00      
13 B2u 984 954 0.00      
14 B2u 356 345 0.00      
15 B3g 1082 1049 0.00      
16 B3u 2616 2536 0.00      
17 B3u 1750 1697 0.00      
18 B3u 1202 1166 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13925.6 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 13503.6 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 MP4/6-311G**
ABC
2.66904 0.60368 0.55463

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.889 0.000 0.000
B2 -0.889 0.000 0.000
H3 0.000 0.000 0.977
H4 0.000 0.000 -0.977
H5 1.462 1.044 0.000
H6 1.462 -1.044 0.000
H7 -1.462 1.044 0.000
H8 -1.462 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77731.32061.32061.19081.19082.57172.5717
B21.77731.32061.32062.57172.57171.19081.1908
H31.32061.32061.95372.04462.04462.04462.0446
H41.32061.32061.95372.04462.04462.04462.0446
H51.19082.57172.04462.04462.08772.92333.5922
H61.19082.57172.04462.04462.08773.59222.9233
H72.57171.19082.04462.04462.92333.59222.0877
H82.57171.19082.04462.04463.59222.92332.0877

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.589 B1 H4 B2 84.589
H3 B1 H4 95.411 H3 B1 H5 108.893
H3 B1 H6 108.893 H3 B2 H4 95.411
H3 B2 H7 108.893 H3 B2 H8 108.893
H4 B1 H5 108.893 H4 B1 H6 108.893
H4 B2 H7 108.893 H4 B2 H8 108.893
H5 B1 H6 122.475 H7 B2 H8 122.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability