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All results from a given calculation for B2H6 (Diborane)

using model chemistry: M06-2X/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-53.258092
Energy at 298.15K-53.263987
HF Energy-53.258092
Nuclear repulsion energy32.284068
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 M06-2X/6-311+G(3df,2p)
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 2666 2666 0.00 280.48 0.06 0.12
2 Ag 2208 2208 0.00 83.14 0.05 0.10
3 Ag 1210 1210 0.00 4.50 0.70 0.82
4 Ag 819 819 0.00 19.19 0.14 0.24
5 Au 861 861 0.00 0.00 0.19 0.00
6 B1g 2745 2745 0.00 100.84 0.75 0.86
7 B1g 935 935 0.00 0.56 0.75 0.86
8 B1u 2037 2037 8.20 0.00 0.00 0.00
9 B1u 998 998 24.26 0.00 0.00 0.00
10 B2g 1909 1909 0.00 2.81 0.75 0.86
11 B2g 892 892 0.00 0.18 0.75 0.86
12 B2u 2758 2758 156.28 0.00 0.00 0.00
13 B2u 963 963 0.39 0.00 0.00 0.00
14 B2u 347 347 16.53 0.00 0.00 0.00
15 B3g 1052 1052 0.00 5.28 0.75 0.86
16 B3u 2652 2652 134.45 0.00 0.00 0.00
17 B3u 1746 1746 495.91 0.00 0.00 0.00
18 B3u 1200 1200 70.76 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13998.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13998.4 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 M06-2X/6-311+G(3df,2p)
ABC
2.70797 0.61885 0.56869

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.876 0.000 0.000
B2 -0.876 0.000 0.000
H3 0.000 0.000 0.974
H4 0.000 0.000 -0.974
H5 1.448 1.034 0.000
H6 1.448 -1.034 0.000
H7 -1.448 1.034 0.000
H8 -1.448 -1.034 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75101.30951.30951.18221.18222.54332.5433
B21.75101.30951.30952.54332.54331.18221.1822
H31.30951.30951.94752.02852.02852.02852.0285
H41.30951.30951.94752.02852.02852.02852.0285
H51.18222.54332.02852.02852.06892.89583.5589
H61.18222.54332.02852.02852.06893.55892.8958
H72.54331.18222.02852.02852.89583.55892.0689
H82.54331.18222.02852.02853.55892.89582.0689

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.918 B1 H4 B2 83.918
H3 B1 H4 96.082 H3 B1 H5 108.886
H3 B1 H6 108.886 H3 B2 H4 96.082
H3 B2 H7 108.886 H3 B2 H8 108.886
H4 B1 H5 108.886 H4 B1 H6 108.886
H4 B2 H7 108.886 H4 B2 H8 108.886
H5 B1 H6 122.089 H7 B2 H8 122.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.509      
2 B -0.509      
3 H 0.288      
4 H 0.288      
5 H 0.110      
6 H 0.110      
7 H 0.110      
8 H 0.110      


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 -18.697 0.000 0.000
y 0.000 -17.846 0.000
z 0.000 0.000 -14.913
Traceless
 xyz
x -2.318 0.000 0.000
y 0.000 -1.041 0.000
z 0.000 0.000 3.359
Polar
3z2-r26.718
x2-y2-0.851
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.771 0.000 0.000
y 0.000 4.690 0.000
z 0.000 0.000 4.128


<r2> (average value of r2) Å2
<r2> 32.940
(<r2>)1/2 5.739