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

using model chemistry: B2PLYP=FULL/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=FULL/6-311G*
 hartrees
Energy at 0K-51.964492
Energy at 298.15K-51.967368
HF Energy-51.892795
Nuclear repulsion energy24.800485
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=FULL/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 2844 2844 0.07      
2 A1 2105 2105 22.12      
3 A1 1368 1368 3.39      
4 A1 1171 1171 3.84      
5 A1 736 736 3.12      
6 A2 1255 1255 0.00      
7 A2 632 632 0.00      
8 B1 2108 2108 54.57      
9 B1 804 804 2.16      
10 B2 2802 2802 38.10      
11 B2 1333 1333 205.96      
12 B2 531 531 41.20      

Unscaled Zero Point Vibrational Energy (zpe) 8844.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8844.2 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=FULL/6-311G*
ABC
6.62322 0.84665 0.81656

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.117
B2 0.000 -0.731 -0.117
H3 0.902 0.000 0.581
H4 -0.902 0.000 0.581
H5 0.000 1.896 0.004
H6 0.000 -1.896 0.004

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46141.35421.35421.17182.6298
B21.46141.35421.35422.62981.1718
H31.35421.35421.80382.17772.1777
H41.35421.35421.80382.17772.1777
H51.17182.62982.17772.17773.7926
H62.62981.17182.17772.17773.7926

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 57.345 B1 B2 H4 57.345
B1 B2 H6 174.103 B1 H3 B2 65.310
B1 H4 B2 65.310 B2 B1 H3 57.345
B2 B1 H4 57.345 B2 B1 H5 174.103
H3 B1 H4 83.515 H3 B1 H5 118.934
H3 B2 H4 83.515 H3 B2 H6 118.934
H4 B1 H5 118.934 H4 B2 H6 118.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability