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

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-51.806154
Energy at 298.15K-51.809030
HF Energy-51.611320
Nuclear repulsion energy24.747463
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/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 2853 2650 0.15      
2 A1 2128 1977 20.14      
3 A1 1382 1284 3.70      
4 A1 1183 1099 3.26      
5 A1 748 695 4.35      
6 A2 1302 1210 0.00      
7 A2 630 586 0.00      
8 B1 2135 1984 49.99      
9 B1 818 760 1.10      
10 B2 2808 2609 36.07      
11 B2 1373 1276 224.79      
12 B2 509 473 36.99      

Unscaled Zero Point Vibrational Energy (zpe) 8934.3 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 8300.9 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/6-311G*
ABC
6.59551 0.84369 0.81269

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.116
B2 0.000 -0.732 -0.116
H3 0.907 0.000 0.578
H4 -0.907 0.000 0.578
H5 0.000 1.901 0.004
H6 0.000 -1.901 0.004

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46411.35681.35681.17522.6359
B21.46411.35681.35682.63591.1752
H31.35681.35681.81452.18332.1833
H41.35681.35681.81452.18332.1833
H51.17522.63592.18332.18333.8022
H62.63591.17522.18332.18333.8022

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 57.348 B1 B2 H4 57.348
B1 B2 H6 174.142 B1 H3 B2 65.305
B1 H4 B2 65.305 B2 B1 H3 57.348
B2 B1 H4 57.348 B2 B1 H5 174.142
H3 B1 H4 83.930 H3 B1 H5 118.980
H3 B2 H4 83.930 H3 B2 H6 118.980
H4 B1 H5 118.980 H4 B2 H6 118.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability