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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at MP3=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-53.165531
Energy at 298.15K-53.171479
HF Energy-52.833317
Nuclear repulsion energy32.279239
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 MP3=FULL/6-311+G(3df,2p)
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 2660 0.00      
2 Ag 2219 2219 0.00      
3 Ag 1220 1220 0.00      
4 Ag 836 836 0.00      
5 Au 866 866 0.00      
6 B1g 2741 2741 0.00      
7 B1g 948 948 0.00      
8 B1u 2048 2048 7.72      
9 B1u 1005 1005 25.52      
10 B2g 1927 1927 0.00      
11 B2g 913 913 0.00      
12 B2u 2754 2754 167.54      
13 B2u 978 978 0.65      
14 B2u 375 375 16.82      
15 B3g 1070 1070 0.00      
16 B3u 2645 2645 143.73      
17 B3u 1770 1770 488.17      
18 B3u 1210 1210 73.78      

Unscaled Zero Point Vibrational Energy (zpe) 14093.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14093.0 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 MP3=FULL/6-311+G(3df,2p)
ABC
2.70282 0.61950 0.56907

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.875 0.000 0.000
B2 -0.875 0.000 0.000
H3 0.000 0.000 0.974
H4 0.000 0.000 -0.974
H5 1.448 1.036 0.000
H6 1.448 -1.036 0.000
H7 -1.448 1.036 0.000
H8 -1.448 -1.036 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.74941.30921.30921.18381.18382.54322.5432
B21.74941.30921.30922.54322.54321.18381.1838
H31.30921.30921.94832.02942.02942.02942.0294
H41.30921.30921.94832.02942.02942.02942.0294
H51.18382.54322.02942.02942.07142.89613.5607
H61.18382.54322.02942.02942.07143.56072.8961
H72.54321.18382.02942.02942.89613.56072.0714
H82.54321.18382.02942.02943.56072.89612.0714

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.841 B1 H4 B2 83.841
H3 B1 H4 96.159 H3 B1 H5 108.880
H3 B1 H6 108.880 H3 B2 H4 96.159
H3 B2 H7 108.880 H3 B2 H8 108.880
H4 B1 H5 108.880 H4 B1 H6 108.880
H4 B2 H7 108.880 H4 B2 H8 108.880
H5 B1 H6 122.060 H7 B2 H8 122.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability