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

using model chemistry: CCSD=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-51.845584
Energy at 298.15K-51.848444
HF Energy-51.609122
Nuclear repulsion energy24.480303
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 CCSD=FULL/aug-cc-pVDZ
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 2823 2823 0.16      
2 A1 2098 2098 23.72      
3 A1 1342 1342 3.24      
4 A1 1118 1118 3.56      
5 A1 727 727 3.98      
6 A2 1291 1291 0.00      
7 A2 632 632 0.00      
8 B1 2101 2101 57.92      
9 B1 801 801 1.62      
10 B2 2780 2780 40.45      
11 B2 1372 1372 221.83      
12 B2 503 503 29.29      

Unscaled Zero Point Vibrational Energy (zpe) 8793.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8793.1 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 CCSD=FULL/aug-cc-pVDZ
ABC
6.60390 0.81944 0.78984

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.745 -0.117
B2 0.000 -0.745 -0.117
H3 0.908 0.000 0.575
H4 -0.908 0.000 0.575
H5 0.000 1.923 0.008
H6 0.000 -1.923 0.008

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.49021.36291.36291.18492.6714
B21.49021.36291.36292.67141.1849
H31.36291.36291.81602.20122.2012
H41.36291.36291.81602.20122.2012
H51.18492.67142.20122.20123.8469
H62.67141.18492.20122.20123.8469

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 56.860 B1 B2 H4 56.860
B1 B2 H6 173.968 B1 H3 B2 66.280
B1 H4 B2 66.280 B2 B1 H3 56.860
B2 B1 H4 56.860 B2 B1 H5 173.968
H3 B1 H4 83.552 H3 B1 H5 119.364
H3 B2 H4 83.552 H3 B2 H6 119.364
H4 B1 H5 119.364 H4 B2 H6 119.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability