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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-53.289406
Energy at 298.15K-53.295291
HF Energy-53.289406
Nuclear repulsion energy32.148317
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/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 2611 2611 0.00 282.88 0.08 0.14
2 Ag 2182 2182 0.00 81.00 0.05 0.10
3 Ag 1203 1203 0.00 6.22 0.72 0.84
4 Ag 812 812 0.00 19.49 0.15 0.27
5 Au 852 852 0.00 0.00 0.00 0.00
6 B1g 2685 2685 0.00 109.53 0.75 0.86
7 B1g 938 938 0.00 0.66 0.75 0.86
8 B1u 2024 2024 6.76 0.00 0.00 0.00
9 B1u 987 987 21.47 0.00 0.00 0.00
10 B2g 1880 1880 0.00 2.98 0.75 0.86
11 B2g 904 904 0.00 0.00 0.75 0.86
12 B2u 2699 2699 172.11 0.00 0.00 0.00
13 B2u 948 948 0.26 0.00 0.00 0.00
14 B2u 350 350 17.11 0.00 0.00 0.00
15 B3g 1028 1028 0.00 8.53 0.75 0.86
16 B3u 2596 2596 147.05 0.00 0.00 0.00
17 B3u 1709 1709 467.56 0.00 0.00 0.00
18 B3u 1195 1195 63.82 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13801.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13801.9 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/cc-pVQZ
ABC
2.68374 0.61453 0.56487

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVQZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.877 0.000 0.000
B2 -0.877 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.456 1.038 0.000
H6 1.456 -1.038 0.000
H7 -1.456 1.038 0.000
H8 -1.456 -1.038 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75481.31521.31521.18871.18872.55412.5541
B21.75481.31521.31522.55412.55411.18871.1887
H31.31521.31521.95962.03922.03922.03922.0392
H41.31521.31521.95962.03922.03922.03922.0392
H51.18872.55412.03922.03922.07672.91223.5768
H61.18872.55412.03922.03922.07673.57682.9122
H72.55411.18872.03922.03922.91223.57682.0767
H82.55411.18872.03922.03923.57682.91222.0767

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.686 B1 H4 B2 83.686
H3 B1 H4 96.314 H3 B1 H5 108.951
H3 B1 H6 108.951 H3 B2 H4 96.314
H3 B2 H7 108.951 H3 B2 H8 108.951
H4 B1 H5 108.951 H4 B1 H6 108.951
H4 B2 H7 108.951 H4 B2 H8 108.951
H5 B1 H6 121.734 H7 B2 H8 121.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.334      
2 B 0.334      
3 H -0.072      
4 H -0.072      
5 H -0.131      
6 H -0.131      
7 H -0.131      
8 H -0.131      


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 -18.802 0.000 0.000
y 0.000 -17.869 0.000
z 0.000 0.000 -14.783
Traceless
 xyz
x -2.476 0.000 0.000
y 0.000 -1.077 0.000
z 0.000 0.000 3.553
Polar
3z2-r27.105
x2-y2-0.933
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.884 0.000 0.000
y 0.000 4.786 0.000
z 0.000 0.000 4.068


<r2> (average value of r2) Å2
<r2> 33.124
(<r2>)1/2 5.755