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All results from a given calculation for B2H4 (Diborane(4) D2d)

using model chemistry: CID/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at CID/daug-cc-pVDZ
 hartrees
Energy at 0K-51.833554
Energy at 298.15K-51.836050
HF Energy-51.638320
Nuclear repulsion energy22.007509
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/daug-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 2602 2602 0.00      
2 A1 1236 1236 0.00      
3 A1 856 856 0.00      
4 B1 496 496 0.00      
5 B2 2581 2581 95.55      
6 B2 1174 1174 22.28      
7 E 2655 2655 107.53      
7 E 2655 2655 107.53      
8 E 1016 1016 25.81      
8 E 1016 1016 25.81      
9 E 441 441 9.34      
9 E 441 441 9.34      

Unscaled Zero Point Vibrational Energy (zpe) 8584.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8584.6 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 CID/daug-cc-pVDZ
ABC
3.97148 0.64015 0.64015

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVDZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.838
B2 0.000 0.000 -0.838
H3 0.000 1.026 1.474
H4 0.000 -1.026 1.474
H5 1.026 0.000 -1.474
H6 -1.026 0.000 -1.474

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.67581.20711.20712.52902.5290
B21.67582.52902.52901.20711.2071
H31.20712.52902.05223.28503.2850
H41.20712.52902.05223.28503.2850
H52.52901.20713.28503.28502.0522
H62.52901.20713.28503.28502.0522

picture of Diborane(4) D2d state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H5 121.778 B1 B2 H6 121.778
B2 B1 H3 121.778 B2 B1 H4 121.778
H3 B1 H4 116.444 H5 B2 H6 116.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability