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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-53.095401
Energy at 298.15K-53.101339
HF Energy-52.827874
Nuclear repulsion energy31.998770
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 CCD/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 2637 2519 0.00      
2 Ag 2190 2092 0.00      
3 Ag 1225 1170 0.00      
4 Ag 818 781 0.00      
5 Au 861 823 0.00      
6 B1g 2717 2595 0.00      
7 B1g 951 908 0.00      
8 B1u 2010 1920 12.98      
9 B1u 1011 965 19.30      
10 B2g 1900 1815 0.00      
11 B2g 897 856 0.00      
12 B2u 2730 2608 177.44      
13 B2u 1002 957 2.18      
14 B2u 367 351 14.63      
15 B3g 1099 1050 0.00      
16 B3u 2622 2504 143.79      
17 B3u 1759 1680 545.17      
18 B3u 1211 1156 92.71      

Unscaled Zero Point Vibrational Energy (zpe) 14003.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 13374.8 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 CCD/6-311G**
ABC
2.67421 0.60522 0.55614

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.887 0.000 0.000
B2 -0.887 0.000 0.000
H3 0.000 0.000 0.977
H4 0.000 0.000 -0.977
H5 1.461 1.042 0.000
H6 1.461 -1.042 0.000
H7 -1.461 1.042 0.000
H8 -1.461 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77411.31941.31941.19001.19002.56912.5691
B21.77411.31941.31942.56912.56911.19001.1900
H31.31941.31941.95352.04342.04342.04342.0434
H41.31941.31941.95352.04342.04342.04342.0434
H51.19002.56912.04342.04342.08492.92213.5896
H61.19002.56912.04342.04342.08493.58962.9221
H72.56911.19002.04342.04342.92213.58962.0849
H82.56911.19002.04342.04343.58962.92212.0849

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.491 B1 H4 B2 84.491
H3 B1 H4 95.509 H3 B1 H5 108.921
H3 B1 H6 108.921 H3 B2 H4 95.509
H3 B2 H7 108.921 H3 B2 H8 108.921
H4 B1 H5 108.921 H4 B1 H6 108.921
H4 B2 H7 108.921 H4 B2 H8 108.921
H5 B1 H6 122.325 H7 B2 H8 122.325
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability