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All results from a given calculation for HBHHBH (Diborane(4) C2V)

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-51.978892
Energy at 298.15K 
HF Energy-51.900026
Nuclear repulsion energy24.834946
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 B2PLYP=FULLultrafine/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 A1 2852 2852 0.04      
2 A1 2103 2103 20.75      
3 A1 1363 1363 3.17      
4 A1 1129 1129 3.87      
5 A1 739 739 3.59      
6 A2 1280 1280 0.00      
7 A2 643 643 0.00      
8 B1 2105 2105 52.83      
9 B1 806 806 2.04      
10 B2 2813 2813 33.99      
11 B2 1358 1358 201.73      
12 B2 536 536 40.04      

Unscaled Zero Point Vibrational Energy (zpe) 8863.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8863.4 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 B2PLYP=FULLultrafine/6-311G**
ABC
6.70218 0.84744 0.81628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.114
B2 0.000 -0.731 -0.114
H3 0.901 0.000 0.573
H4 -0.901 0.000 0.573
H5 0.000 1.896 -0.002
H6 0.000 -1.896 -0.002

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46231.34881.34881.16992.6292
B21.46231.34881.34882.62921.1699
H31.34881.34881.80262.17652.1765
H41.34881.34881.80262.17652.1765
H51.16992.62922.17652.17653.7914
H62.62921.16992.17652.17653.7914

picture of Diborane(4) C2V state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H3 57.176 B1 B2 H4 57.176
B1 B2 H6 174.518 B1 H3 B2 65.648
B1 H4 B2 65.648 B2 B1 H3 57.176
B2 B1 H4 57.176 B2 B1 H5 174.518
H3 B1 H4 83.855 H3 B1 H5 119.400
H3 B2 H4 83.855 H3 B2 H6 119.400
H4 B1 H5 119.400 H4 B2 H6 119.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability