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

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-51.842264
Energy at 298.15K-51.844990
HF Energy-51.609655
Nuclear repulsion energy24.932284
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 MP3=FULL/6-31+G**
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 2915 2716 0.08      
2 A1 2211 2060 25.53      
3 A1 1393 1297 2.27      
4 A1 1158 1079 1.10      
5 A1 721 672 3.95      
6 A2 1399 1303 0.00      
7 A2 546 509 0.00      
8 B1 2221 2069 56.63      
9 B1 800 746 3.10      
10 B2 2872 2675 44.60      
11 B2 1460 1360 223.01      
12 B2 404 376 25.39      

Unscaled Zero Point Vibrational Energy (zpe) 9050.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 8431.0 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 MP3=FULL/6-31+G**
ABC
6.89915 0.85065 0.81660

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.112
B2 0.000 -0.731 -0.112
H3 0.900 0.000 0.541
H4 -0.900 0.000 0.541
H5 0.000 1.893 0.021
H6 0.000 -1.893 0.021

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46281.33111.33111.16912.6276
B21.46281.33111.33112.62761.1691
H31.33111.33111.80012.15952.1595
H41.33111.33111.80012.15952.1595
H51.16912.62762.15952.15953.7857
H62.62761.16912.15952.15953.7857

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 56.668 B1 B2 H4 56.668
B1 B2 H6 173.451 B1 H3 B2 66.663
B1 H4 B2 66.663 B2 B1 H3 56.668
B2 B1 H4 56.668 B2 B1 H5 173.451
H3 B1 H4 85.093 H3 B1 H5 119.336
H3 B2 H4 85.093 H3 B2 H6 119.336
H4 B1 H5 119.336 H4 B2 H6 119.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability