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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD(T)/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 CCSD(T)/6-311G**
 hartrees
Energy at 0K-53.103986
Energy at 298.15K-53.109893
HF Energy-52.827851
Nuclear repulsion energy31.952673
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)/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 2621 2528        
2 Ag 2177 2100        
3 Ag 1213 1170        
4 Ag 808 780        
5 Au 854 824        
6 B1g 2700 2605        
7 B1g 943 910        
8 B1u 1997 1926        
9 B1u 1001 965        
10 B2g 1885 1818        
11 B2g 883 852        
12 B2u 2714 2618        
13 B2u 985 951        
14 B2u 357 344        
15 B3g 1081 1043        
16 B3u 2606 2514        
17 B3u 1748 1687        
18 B3u 1200 1157        

Unscaled Zero Point Vibrational Energy (zpe) 13885.9 cm-1
Scaled (by 0.9647) Zero Point Vibrational Energy (zpe) 13395.7 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)/6-311G**
ABC
2.66644 0.60317 0.55415

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/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
B11.77801.32111.32111.19151.19152.57302.5730
B21.77801.32111.32112.57302.57301.19151.1915
H31.32111.32111.95442.04562.04562.04562.0456
H41.32111.32111.95442.04562.04562.04562.0456
H51.19152.57302.04562.04562.08882.92493.5942
H61.19152.57302.04562.04562.08883.59422.9249
H72.57301.19152.04562.04562.92493.59422.0888
H82.57301.19152.04562.04563.59422.92492.0888

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.587 B1 H4 B2 84.587
H3 B1 H4 95.413 H3 B1 H5 108.898
H3 B1 H6 108.898 H3 B2 H4 95.413
H3 B2 H7 108.898 H3 B2 H8 108.898
H4 B1 H5 108.898 H4 B1 H6 108.898
H4 B2 H7 108.898 H4 B2 H8 108.898
H5 B1 H6 122.458 H7 B2 H8 122.458
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability