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

using model chemistry: CID/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-51.874717
Energy at 298.15K-51.877230
HF Energy-51.652816
Nuclear repulsion energy22.275619
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/Def2TZVPP
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 2629 2629 0.00      
2 A1 1255 1255 0.00      
3 A1 865 865 0.00      
4 B1 513 513 0.00      
5 B2 2609 2609 88.06      
6 B2 1195 1195 17.03      
7 E 2683 2683 98.70      
7 E 2683 2683 98.70      
8 E 1026 1026 28.51      
8 E 1026 1026 28.51      
9 E 445 445 7.75      
9 E 445 445 7.75      

Unscaled Zero Point Vibrational Energy (zpe) 8686.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8686.9 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/Def2TZVPP
ABC
4.06555 0.65612 0.65612

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/Def2TZVPP

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.828
B2 0.000 0.000 -0.828
H3 0.000 1.014 1.456
H4 0.000 -1.014 1.456
H5 1.014 0.000 -1.456
H6 -1.014 0.000 -1.456

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.65501.19301.19302.49832.4983
B21.65502.49832.49831.19301.1930
H31.19302.49832.02843.24543.2454
H41.19302.49832.02843.24543.2454
H52.49831.19303.24543.24542.0284
H62.49831.19303.24543.24542.0284

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 121.772 B1 B2 H6 121.772
B2 B1 H3 121.772 B2 B1 H4 121.772
H3 B1 H4 116.455 H5 B2 H6 116.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability