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

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-52.050223
Energy at 298.15K-52.053087
HF Energy-52.050223
Nuclear repulsion energy24.571772
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 TPSSh/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 2837 2744 0.16      
2 A1 2084 2016 24.20      
3 A1 1348 1304 3.22      
4 A1 1122 1086 3.68      
5 A1 737 713 5.02      
6 A2 1254 1213 0.00      
7 A2 625 605 0.00      
8 B1 2086 2018 57.04      
9 B1 801 775 0.91      
10 B2 2796 2705 37.92      
11 B2 1327 1283 194.04      
12 B2 515 498 35.24      

Unscaled Zero Point Vibrational Energy (zpe) 8766.3 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 8479.7 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 TPSSh/aug-cc-pVDZ
ABC
6.54136 0.82858 0.80023

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.740 -0.118
B2 0.000 -0.740 -0.118
H3 0.904 0.000 0.588
H4 -0.904 0.000 0.588
H5 0.000 1.913 0.005
H6 0.000 -1.913 0.005

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47921.36511.36511.17952.6551
B21.47921.36511.36512.65511.1795
H31.36511.36511.80892.19452.1945
H41.36511.36511.80892.19452.1945
H51.17952.65512.19452.19453.8252
H62.65511.17952.19452.19453.8252

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 57.196 B1 B2 H4 57.196
B1 B2 H6 174.000 B1 H3 B2 65.609
B1 H4 B2 65.609 B2 B1 H3 57.196
B2 B1 H4 57.196 B2 B1 H5 174.000
H3 B1 H4 82.990 H3 B1 H5 118.995
H3 B2 H4 82.990 H3 B2 H6 118.995
H4 B1 H5 118.995 H4 B2 H6 118.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.904      
2 B -0.904      
3 H 0.505      
4 H 0.505      
5 H 0.399      
6 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.796 0.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.339 0.000 0.000
y 0.000 6.168 0.000
z 0.000 0.000 4.716


<r2> (average value of r2) Å2
<r2> 24.577
(<r2>)1/2 4.958