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

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-51.968571
Energy at 298.15K-51.971504
HF Energy-51.968571
Nuclear repulsion energy24.846259
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 PBE1PBE/aug-cc-pVTZ
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 2827 2718 0.06      
2 A1 2126 2044 14.37      
3 A1 1364 1311 3.18      
4 A1 1110 1068 1.14      
5 A1 730 702 5.16      
6 A2 1300 1250 0.00      
7 A2 687 660 0.00      
8 B1 2132 2050 36.45      
9 B1 791 761 1.25      
10 B2 2787 2680 31.24      
11 B2 1367 1315 186.26      
12 B2 572 550 27.92      

Unscaled Zero Point Vibrational Energy (zpe) 8896.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 8554.2 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 PBE1PBE/aug-cc-pVTZ
ABC
6.71523 0.84844 0.81782

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.730 -0.116
B2 0.000 -0.730 -0.116
H3 0.898 0.000 0.573
H4 -0.898 0.000 0.573
H5 0.000 1.898 0.006
H6 0.000 -1.898 0.006

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.45931.34681.34681.17492.6307
B21.45931.34681.34682.63071.1749
H31.34681.34681.79702.17552.1755
H41.34681.34681.79702.17552.1755
H51.17492.63072.17552.17553.7966
H62.63071.17492.17552.17553.7966

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 174.078 B1 H3 B2 65.608
B1 H4 B2 65.608 B2 B1 H3 57.196
B2 B1 H4 57.196 B2 B1 H5 174.078
H3 B1 H4 83.692 H3 B1 H5 119.086
H3 B2 H4 83.692 H3 B2 H6 119.086
H4 B1 H5 119.086 H4 B2 H6 119.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.171      
2 B -0.171      
3 H 0.170      
4 H 0.170      
5 H 0.000      
6 H 0.000      


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 0.851 0.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.004 0.000 0.000
y 0.000 -14.056 0.000
z 0.000 0.000 -16.559
Traceless
 xyz
x 1.304 0.000 0.000
y 0.000 1.225 0.000
z 0.000 0.000 -2.529
Polar
3z2-r2-5.058
x2-y20.052
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.295 0.000 0.000
y 0.000 6.090 0.000
z 0.000 0.000 4.693


<r2> (average value of r2) Å2
<r2> 24.225
(<r2>)1/2 4.922