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All results from a given calculation for B2H6 (Diborane)

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-53.184897
Energy at 298.15K-53.190651
HF Energy-53.184897
Nuclear repulsion energy31.996118
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 PBEPBEultrafine/TZVP
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 2560 2531 0.00 275.37 0.11 0.20
2 Ag 2145 2121 0.00 84.13 0.06 0.12
3 Ag 1151 1138 0.00 12.79 0.67 0.80
4 Ag 795 786 0.00 17.95 0.19 0.32
5 Au 829 819 0.00 0.00 0.14 0.00
6 B1g 2638 2608 0.00 111.26 0.75 0.86
7 B1g 907 896 0.00 1.72 0.75 0.86
8 B1u 2000 1978 1.39 0.00 0.00 0.00
9 B1u 952 941 13.21 0.00 0.00 0.00
10 B2g 1844 1823 0.00 4.43 0.75 0.86
11 B2g 878 868 0.00 2.59 0.75 0.86
12 B2u 2653 2623 154.22 0.00 0.00 0.00
13 B2u 870 860 0.03 0.00 0.00 0.00
14 B2u 304 301 17.49 0.00 0.00 0.00
15 B3g 946 935 0.00 15.35 0.75 0.86
16 B3u 2548 2519 135.11 0.00 0.00 0.00
17 B3u 1671 1652 351.07 0.00 0.00 0.00
18 B3u 1146 1133 54.27 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13418.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 13265.3 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 PBEPBEultrafine/TZVP
ABC
2.64396 0.61117 0.56133

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.879 0.000 0.000
B2 -0.879 0.000 0.000
H3 0.000 0.000 0.987
H4 0.000 0.000 -0.987
H5 1.461 1.046 0.000
H6 1.461 -1.046 0.000
H7 -1.461 1.046 0.000
H8 -1.461 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75781.32161.32161.19751.19752.56362.5636
B21.75781.32161.32162.56362.56361.19751.1975
H31.32161.32161.97392.05052.05052.05052.0505
H41.32161.32161.97392.05052.05052.05052.0505
H51.19752.56362.05052.05052.09242.92293.5947
H61.19752.56362.05052.05052.09243.59472.9229
H72.56361.19752.05052.05052.92293.59472.0924
H82.56361.19752.05052.05053.59472.92292.0924

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.371 B1 H4 B2 83.371
H3 B1 H4 96.629 H3 B1 H5 108.877
H3 B1 H6 108.877 H3 B2 H4 96.629
H3 B2 H7 108.877 H3 B2 H8 108.877
H4 B1 H5 108.877 H4 B1 H6 108.877
H4 B2 H7 108.877 H4 B2 H8 108.877
H5 B1 H6 121.781 H7 B2 H8 121.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.204      
2 B -0.204      
3 H 0.115      
4 H 0.115      
5 H 0.044      
6 H 0.044      
7 H 0.044      
8 H 0.044      


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 -19.028 0.000 0.000
y 0.000 -17.973 0.000
z 0.000 0.000 -14.938
Traceless
 xyz
x -2.573 0.000 0.000
y 0.000 -0.990 0.000
z 0.000 0.000 3.563
Polar
3z2-r27.126
x2-y2-1.055
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.001 0.000 0.000
y 0.000 4.642 0.000
z 0.000 0.000 3.576


<r2> (average value of r2) Å2
<r2> 33.408
(<r2>)1/2 5.780