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All results from a given calculation for B2H6 (Diborane)

using model chemistry: M06-2X/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 M06-2X/STO-3G
 hartrees
Energy at 0K-52.620946
Energy at 298.15K-52.626801
HF Energy-52.620946
Nuclear repulsion energy32.061031
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/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 3091 3091 0.00 55.38 0.17 0.30
2 Ag 2369 2369 0.00 39.27 0.21 0.35
3 Ag 1342 1342 0.00 16.58 0.74 0.85
4 Ag 849 849 0.00 10.72 0.47 0.63
5 Au 939 939 0.00 0.00 0.00 0.00
6 B1g 3248 3248 0.00 39.05 0.75 0.86
7 B1g 1021 1021 0.00 7.14 0.75 0.86
8 B1u 2246 2246 0.00 0.00 0.00 0.00
9 B1u 1108 1108 46.93 0.00 0.00 0.00
10 B2g 1921 1921 0.00 7.22 0.75 0.86
11 B2g 947 947 0.00 0.21 0.75 0.86
12 B2u 3249 3249 0.92 0.00 0.00 0.00
13 B2u 1100 1100 0.61 0.00 0.00 0.00
14 B2u 378 378 16.71 0.00 0.00 0.00
15 B3g 1246 1246 0.00 17.77 0.75 0.86
16 B3u 3089 3089 9.34 0.00 0.00 0.00
17 B3u 1754 1754 652.12 0.00 0.00 0.00
18 B3u 1331 1331 103.60 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15613.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15613.7 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/STO-3G
ABC
2.75188 0.59412 0.55030

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.901 0.000 0.000
B2 -0.901 0.000 0.000
H3 0.000 0.000 0.979
H4 0.000 0.000 -0.979
H5 1.456 1.020 0.000
H6 1.456 -1.020 0.000
H7 -1.456 1.020 0.000
H8 -1.456 -1.020 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.80281.33101.33101.16101.16102.56882.5688
B21.80281.33101.33102.56882.56881.16101.1610
H31.33101.33101.95872.02982.02982.02982.0298
H41.33101.33101.95872.02982.02982.02982.0298
H51.16102.56882.02982.02982.03962.91273.5558
H61.16102.56882.02982.02982.03963.55582.9127
H72.56881.16102.02982.02982.91273.55582.0396
H82.56881.16102.02982.02983.55582.91272.0396

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 85.254 B1 H4 B2 85.254
H3 B1 H4 94.746 H3 B1 H5 108.886
H3 B1 H6 108.886 H3 B2 H4 94.746
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 122.895 H7 B2 H8 122.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.014      
2 B 0.014      
3 H 0.017      
4 H 0.017      
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 -17.649 0.000 0.000
y 0.000 -16.176 0.000
z 0.000 0.000 -14.205
Traceless
 xyz
x -2.459 0.000 0.000
y 0.000 -0.248 0.000
z 0.000 0.000 2.707
Polar
3z2-r25.414
x2-y2-1.474
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.834 0.000 0.000
y 0.000 1.772 0.000
z 0.000 0.000 1.491


<r2> (average value of r2) Å2
<r2> 32.687
(<r2>)1/2 5.717