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All results from a given calculation for B2H6 (Diborane)

using model chemistry: MP3=FULL/6-31G

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/6-31G
 hartrees
Energy at 0K-52.937677
Energy at 298.15K-52.943620
HF Energy-52.774911
Nuclear repulsion energy31.807971
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/6-31G
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 2644 2644 0.00      
2 Ag 2183 2183 0.00      
3 Ag 1225 1225 0.00      
4 Ag 810 810 0.00      
5 Au 860 860 0.00      
6 B1g 2729 2729 0.00      
7 B1g 962 962 0.00      
8 B1u 1954 1954 25.68      
9 B1u 990 990 15.68      
10 B2g 1873 1873 0.00      
11 B2g 811 811 0.00      
12 B2u 2741 2741 180.74      
13 B2u 1033 1033 5.91      
14 B2u 414 414 9.23      
15 B3g 1058 1058 0.00      
16 B3u 2630 2630 140.55      
17 B3u 1752 1752 569.24      
18 B3u 1223 1223 88.81      

Unscaled Zero Point Vibrational Energy (zpe) 13946.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13946.0 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/6-31G
ABC
2.67113 0.59451 0.54687

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.895 0.000 0.000
B2 -0.895 0.000 0.000
H3 0.000 0.000 0.976
H4 0.000 0.000 -0.976
H5 1.478 1.044 0.000
H6 1.478 -1.044 0.000
H7 -1.478 1.044 0.000
H8 -1.478 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78941.32411.32411.19571.19572.59232.5923
B21.78941.32411.32412.59232.59231.19571.1957
H31.32411.32411.95222.05602.05602.05602.0560
H41.32411.32411.95222.05602.05602.05602.0560
H51.19572.59232.05602.05602.08722.95653.6190
H61.19572.59232.05602.05602.08723.61902.9565
H72.59231.19572.05602.05602.95653.61902.0872
H82.59231.19572.05602.05603.61902.95652.0872

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 85.019 B1 H4 B2 85.019
H3 B1 H4 94.981 H3 B1 H5 109.255
H3 B1 H6 109.255 H3 B2 H4 94.981
H3 B2 H7 109.255 H3 B2 H8 109.255
H4 B1 H5 109.255 H4 B1 H6 109.255
H4 B2 H7 109.255 H4 B2 H8 109.255
H5 B1 H6 121.577 H7 B2 H8 121.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability