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

using model chemistry: MP2=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 MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-51.813866
Energy at 298.15K-51.816771
HF Energy-51.609119
Nuclear repulsion energy24.546982
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 MP2=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 2858 2770 0.15      
2 A1 2136 2070 17.85      
3 A1 1344 1303 2.89      
4 A1 1105 1071 2.07      
5 A1 730 707 4.19      
6 A2 1354 1312 0.00      
7 A2 675 654 0.00      
8 B1 2145 2079 43.27      
9 B1 805 780 2.09      
10 B2 2816 2729 35.22      
11 B2 1400 1357 228.94      
12 B2 526 510 27.08      

Unscaled Zero Point Vibrational Energy (zpe) 8946.1 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 8670.6 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 MP2=FULL/aug-cc-pVDZ
ABC
6.68240 0.82243 0.79271

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.744 -0.116
B2 0.000 -0.744 -0.116
H3 0.904 0.000 0.570
H4 -0.904 0.000 0.570
H5 0.000 1.919 0.011
H6 0.000 -1.919 0.011

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.48841.35661.35661.18192.6665
B21.48841.35661.35662.66651.1819
H31.35661.35661.80712.19382.1938
H41.35661.35661.80712.19382.1938
H51.18192.66652.19382.19383.8387
H62.66651.18192.19382.19383.8387

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 56.731 B1 B2 H4 56.731
B1 B2 H6 173.844 B1 H3 B2 66.539
B1 H4 B2 66.539 B2 B1 H3 56.731
B2 B1 H4 56.731 B2 B1 H5 173.844
H3 B1 H4 83.523 H3 B1 H5 119.420
H3 B2 H4 83.523 H3 B2 H6 119.420
H4 B1 H5 119.420 H4 B2 H6 119.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability