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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-52.627816
Energy at 298.15K-52.633655
HF Energy-52.627816
Nuclear repulsion energy31.980796
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 wB97X-D/STO-3G
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 3049 3049 0.00 59.46 0.17 0.29
2 Ag 2353 2353 0.00 36.35 0.25 0.39
3 Ag 1344 1344 0.00 16.86 0.75 0.85
4 Ag 847 847 0.00 12.69 0.42 0.59
5 Au 939 939 0.00 0.00 0.75 0.86
6 B1g 3200 3200 0.00 42.88 0.75 0.86
7 B1g 1026 1026 0.00 7.02 0.75 0.86
8 B1u 2246 2246 0.13 0.00 0.00 0.00
9 B1u 1106 1106 46.31 0.00 0.75 0.86
10 B2g 1870 1870 0.00 8.28 0.75 0.86
11 B2g 931 931 0.00 0.41 0.75 0.86
12 B2u 3202 3202 2.01 0.00 0.00 0.00
13 B2u 1080 1080 0.26 0.00 0.00 0.00
14 B2u 374 374 19.06 0.00 0.00 0.00
15 B3g 1226 1226 0.00 17.69 0.75 0.86
16 B3u 3047 3047 10.95 0.00 0.00 0.00
17 B3u 1694 1694 623.12 0.00 0.00 0.00
18 B3u 1336 1336 105.84 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15434.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15434.0 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 wB97X-D/STO-3G
ABC
2.72118 0.59458 0.55117

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.898 0.000 0.000
B2 -0.898 0.000 0.000
H3 0.000 0.000 0.991
H4 0.000 0.000 -0.991
H5 1.460 1.022 0.000
H6 1.460 -1.022 0.000
H7 -1.460 1.022 0.000
H8 -1.460 -1.022 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79701.33791.33791.16661.16662.57082.5708
B21.79701.33791.33792.57082.57081.16661.1666
H31.33791.33791.98272.03972.03972.03972.0397
H41.33791.33791.98272.03972.03972.03972.0397
H51.16662.57082.03972.03972.04482.92053.5652
H61.16662.57082.03972.03972.04483.56522.9205
H72.57081.16662.03972.03972.92053.56522.0448
H82.57081.16662.03972.03973.56522.92052.0448

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.374 B1 H4 B2 84.374
H3 B1 H4 95.626 H3 B1 H5 108.867
H3 B1 H6 108.867 H3 B2 H4 95.626
H3 B2 H7 108.867 H3 B2 H8 108.867
H4 B1 H5 108.867 H4 B1 H6 108.867
H4 B2 H7 108.867 H4 B2 H8 108.867
H5 B1 H6 122.428 H7 B2 H8 122.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.004      
2 B 0.004      
3 H 0.029      
4 H 0.029      
5 H -0.016      
6 H -0.016      
7 H -0.016      
8 H -0.016      


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 -17.764 0.000 0.000
y 0.000 -16.191 0.000
z 0.000 0.000 -14.094
Traceless
 xyz
x -2.622 0.000 0.000
y 0.000 -0.262 0.000
z 0.000 0.000 2.884
Polar
3z2-r25.767
x2-y2-1.574
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.882 0.000 0.000
y 0.000 1.795 0.000
z 0.000 0.000 1.513


<r2> (average value of r2) Å2
<r2> 32.753
(<r2>)1/2 5.723