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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-53.282771
Energy at 298.15K-53.288657
HF Energy-53.282771
Nuclear repulsion energy32.093247
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/TZVP
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 2613 2496 0.00 260.40 0.11 0.20
2 Ag 2188 2090 0.00 82.17 0.07 0.13
3 Ag 1203 1149 0.00 11.47 0.71 0.83
4 Ag 812 776 0.00 19.09 0.19 0.32
5 Au 853 815 0.00 0.00 0.00 0.00
6 B1g 2692 2571 0.00 103.09 0.75 0.86
7 B1g 938 896 0.00 1.58 0.75 0.86
8 B1u 2032 1940 6.83 0.00 0.00 0.00
9 B1u 988 943 17.67 0.00 0.00 0.00
10 B2g 1885 1800 0.00 4.55 0.75 0.86
11 B2g 907 866 0.00 3.19 0.75 0.86
12 B2u 2706 2584 178.95 0.00 0.00 0.00
13 B2u 949 906 0.38 0.00 0.00 0.00
14 B2u 348 333 16.26 0.00 0.00 0.00
15 B3g 1035 988 0.00 20.48 0.75 0.86
16 B3u 2598 2481 149.47 0.00 0.00 0.00
17 B3u 1714 1637 476.12 0.00 0.00 0.00
18 B3u 1194 1141 64.83 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13826.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 13204.4 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 wB97X-D/TZVP
ABC
2.67324 0.61250 0.56284

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/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 0.981
H4 0.000 0.000 -0.981
H5 1.458 1.041 0.000
H6 1.458 -1.041 0.000
H7 -1.458 1.041 0.000
H8 -1.458 -1.041 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75811.31711.31711.19101.19102.55832.5583
B21.75811.31711.31712.55832.55831.19101.1910
H31.31711.31711.96152.04232.04232.04232.0423
H41.31711.31711.96152.04232.04232.04232.0423
H51.19102.55832.04232.04232.08172.91593.5827
H61.19102.55832.04232.04232.08173.58272.9159
H72.55831.19102.04232.04232.91593.58272.0817
H82.55831.19102.04232.04233.58272.91592.0817

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.740 B1 H4 B2 83.740
H3 B1 H4 96.260 H3 B1 H5 108.931
H3 B1 H6 108.931 H3 B2 H4 96.260
H3 B2 H7 108.931 H3 B2 H8 108.931
H4 B1 H5 108.931 H4 B1 H6 108.931
H4 B2 H7 108.931 H4 B2 H8 108.931
H5 B1 H6 121.834 H7 B2 H8 121.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.110      
2 B -0.110      
3 H 0.077      
4 H 0.077      
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 -18.847 0.000 0.000
y 0.000 -17.879 0.000
z 0.000 0.000 -14.842
Traceless
 xyz
x -2.487 0.000 0.000
y 0.000 -1.034 0.000
z 0.000 0.000 3.521
Polar
3z2-r27.042
x2-y2-0.969
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.736 0.000 0.000
y 0.000 4.491 0.000
z 0.000 0.000 3.449


<r2> (average value of r2) Å2
<r2> 33.223
(<r2>)1/2 5.764