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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-52.653022
Energy at 298.15K-52.658983
HF Energy-52.497433
Nuclear repulsion energy31.930369
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 CID/3-21G*
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 2671 2485 0.00      
2 Ag 2199 2046 0.00      
3 Ag 1229 1143 0.00      
4 Ag 818 762 0.00      
5 Au 883 822 0.00      
6 B1g 2760 2568 0.00      
7 B1g 930 865 0.00      
8 B1u 1959 1823 27.15      
9 B1u 993 924 14.77      
10 B2g 1898 1766 0.00      
11 B2g 821 764 0.00      
12 B2u 2770 2577 131.35      
13 B2u 1037 965 4.89      
14 B2u 417 388 8.47      
15 B3g 1117 1039 0.00      
16 B3u 2657 2473 115.36      
17 B3u 1786 1662 573.71      
18 B3u 1228 1143 80.71      

Unscaled Zero Point Vibrational Energy (zpe) 14086.1 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 13107.1 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 CID/3-21G*
ABC
2.66630 0.60262 0.55343

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.888 0.000 0.000
B2 -0.888 0.000 0.000
H3 0.000 0.000 0.975
H4 0.000 0.000 -0.975
H5 1.467 1.045 0.000
H6 1.467 -1.045 0.000
H7 -1.467 1.045 0.000
H8 -1.467 -1.045 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77681.31941.31941.19481.19482.57712.5771
B21.77681.31941.31942.57712.57711.19481.1948
H31.31941.31941.95092.04862.04862.04862.0486
H41.31941.31941.95092.04862.04862.04862.0486
H51.19482.57712.04862.04862.09052.93443.6029
H61.19482.57712.04862.04862.09053.60292.9344
H72.57711.19482.04862.04862.93443.60292.0905
H82.57711.19482.04862.04863.60292.93442.0905

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.651 B1 H4 B2 84.651
H3 B1 H4 95.349 H3 B1 H5 109.038
H3 B1 H6 109.038 H3 B2 H4 95.349
H3 B2 H7 109.038 H3 B2 H8 109.038
H4 B1 H5 109.038 H4 B1 H6 109.038
H4 B2 H7 109.038 H4 B2 H8 109.038
H5 B1 H6 122.050 H7 B2 H8 122.050
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability