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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-52.946550
Energy at 298.15K-52.952385
HF Energy-52.946550
Nuclear repulsion energy31.788080
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 B97D3/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2612 2612 0.00 214.70 0.11 0.19
2 Ag 2119 2119 0.00 87.32 0.11 0.19
3 Ag 1170 1170 0.00 15.26 0.75 0.85
4 Ag 772 772 0.00 17.65 0.24 0.39
5 Au 862 862 0.00 0.00 0.00 0.00
6 B1g 2701 2701 0.00 93.09 0.75 0.86
7 B1g 893 893 0.00 1.69 0.75 0.86
8 B1u 1937 1937 17.12 0.00 0.00 0.00
9 B1u 982 982 10.95 0.00 0.00 0.00
10 B2g 1816 1816 0.00 4.29 0.75 0.86
11 B2g 869 869 0.00 2.69 0.75 0.86
12 B2u 2716 2716 149.43 0.00 0.00 0.00
13 B2u 930 930 0.40 0.00 0.00 0.00
14 B2u 351 351 9.94 0.00 0.00 0.00
15 B3g 1068 1068 0.00 39.18 0.75 0.86
16 B3u 2602 2602 125.24 0.00 0.00 0.00
17 B3u 1665 1665 418.96 0.00 0.00 0.00
18 B3u 1174 1174 73.31 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13619.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13619.1 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 B97D3/3-21G*
ABC
2.62883 0.59806 0.54958

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.893 0.000 0.000
B2 -0.893 0.000 0.000
H3 0.000 0.000 0.987
H4 0.000 0.000 -0.987
H5 1.466 1.051 0.000
H6 1.466 -1.051 0.000
H7 -1.466 1.051 0.000
H8 -1.466 -1.051 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78641.33111.33111.19641.19642.58212.5821
B21.78641.33111.33112.58212.58211.19641.1964
H31.33111.33111.97382.05562.05562.05562.0556
H41.33111.33111.97382.05562.05562.05562.0556
H51.19642.58212.05562.05562.10122.93103.6064
H61.19642.58212.05562.05562.10123.60642.9310
H72.58211.19642.05562.05562.93103.60642.1012
H82.58211.19642.05562.05563.60642.93102.1012

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.293 B1 H4 B2 84.293
H3 B1 H4 95.707 H3 B1 H5 108.725
H3 B1 H6 108.725 H3 B2 H4 95.707
H3 B2 H7 108.725 H3 B2 H8 108.725
H4 B1 H5 108.725 H4 B1 H6 108.725
H4 B2 H7 108.725 H4 B2 H8 108.725
H5 B1 H6 122.838 H7 B2 H8 122.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.264      
2 B -0.264      
3 H 0.112      
4 H 0.112      
5 H 0.076      
6 H 0.076      
7 H 0.076      
8 H 0.076      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.652 0.000 0.000
y 0.000 -17.962 0.000
z 0.000 0.000 -15.469
Traceless
 xyz
x -1.936 0.000 0.000
y 0.000 -0.902 0.000
z 0.000 0.000 2.838
Polar
3z2-r25.676
x2-y2-0.690
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.470 0.000 0.000
y 0.000 3.758 0.000
z 0.000 0.000 3.160


<r2> (average value of r2) Å2
<r2> 33.775
(<r2>)1/2 5.812