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

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-52.023370
Energy at 298.15K-52.026218
HF Energy-52.023370
Nuclear repulsion energy24.699001
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 B97D3/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 2773 2734 0.04      
2 A1 2076 2047 16.67      
3 A1 1324 1306 2.43      
4 A1 1106 1090 2.34      
5 A1 714 704 3.91      
6 A2 1223 1206 0.00      
7 A2 636 627 0.00      
8 B1 2060 2032 46.59      
9 B1 777 767 1.28      
10 B2 2735 2697 39.18      
11 B2 1317 1298 178.60      
12 B2 519 512 29.62      

Unscaled Zero Point Vibrational Energy (zpe) 8630.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 8510.0 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 B97D3/cc-pVTZ
ABC
6.63999 0.83713 0.80773

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.735 -0.118
B2 0.000 -0.735 -0.118
H3 0.901 0.000 0.578
H4 -0.901 0.000 0.578
H5 0.000 1.906 0.011
H6 0.000 -1.906 0.011

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47091.35521.35521.17802.6449
B21.47091.35521.35522.64491.1780
H31.35521.35521.80172.18352.1835
H41.35521.35521.80172.18352.1835
H51.17802.64492.18352.18353.8128
H62.64491.17802.18352.18353.8128

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 56.925 B1 B2 H4 56.925
B1 B2 H6 174.135 B1 H3 B2 66.149
B1 H4 B2 66.149 B2 B1 H3 56.925
B2 B1 H4 56.925 B2 B1 H5 174.135
H3 B1 H4 84.141 H3 B1 H5 119.437
H3 B2 H4 84.141 H3 B2 H6 119.437
H4 B1 H5 119.437 H4 B2 H6 119.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.178      
2 B -0.178      
3 H 0.145      
4 H 0.145      
5 H 0.033      
6 H 0.033      


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 0.852 0.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.079 0.000 0.000
y 0.000 -14.284 0.000
z 0.000 0.000 -16.587
Traceless
 xyz
x 1.357 0.000 0.000
y 0.000 1.049 0.000
z 0.000 0.000 -2.405
Polar
3z2-r2-4.811
x2-y20.205
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.119 0.000 0.000
y 0.000 6.220 0.000
z 0.000 0.000 4.084


<r2> (average value of r2) Å2
<r2> 24.466
(<r2>)1/2 4.946