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

using model chemistry: CCD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/TZVP
 hartrees
Energy at 0K-51.855851
Energy at 298.15K-51.858699
HF Energy-51.623050
Nuclear repulsion energy24.823767
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/TZVP
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 2869 2720 0.06      
2 A1 2145 2033 25.43      
3 A1 1376 1304 2.31      
4 A1 1139 1080 1.13      
5 A1 734 696 3.22      
6 A2 1349 1278 0.00      
7 A2 612 580 0.00      
8 B1 2153 2041 53.19      
9 B1 801 759 2.62      
10 B2 2827 2680 39.56      
11 B2 1418 1345 219.42      
12 B2 489 464 30.04      

Unscaled Zero Point Vibrational Energy (zpe) 8955.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 8489.7 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/TZVP
ABC
6.75669 0.84551 0.81278

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.733 -0.114
B2 0.000 -0.733 -0.114
H3 0.904 0.000 0.559
H4 -0.904 0.000 0.559
H5 0.000 1.899 0.013
H6 0.000 -1.899 0.013

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46581.34471.34471.17252.6345
B21.46581.34471.34472.63451.1725
H31.34471.34471.80892.17282.1728
H41.34471.34471.80892.17282.1728
H51.17252.63452.17282.17283.7971
H62.63451.17252.17282.17283.7971

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 56.976 B1 B2 H4 56.976
B1 B2 H6 173.792 B1 H3 B2 66.048
B1 H4 B2 66.048 B2 B1 H3 56.976
B2 B1 H4 56.976 B2 B1 H5 173.792
H3 B1 H4 84.532 H3 B1 H5 119.187
H3 B2 H4 84.532 H3 B2 H6 119.187
H4 B1 H5 119.187 H4 B2 H6 119.187
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability