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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-53.285307
Energy at 298.15K-53.291199
HF Energy-53.285307
Nuclear repulsion energy32.135536
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-pVTZ
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 2616 2501 0.00 274.34 0.09 0.17
2 Ag 2184 2088 0.00 78.55 0.06 0.11
3 Ag 1204 1151 0.00 7.52 0.74 0.85
4 Ag 814 778 0.00 19.28 0.16 0.28
5 Au 854 817 0.00 0.00 0.47 0.64
6 B1g 2692 2574 0.00 111.64 0.75 0.86
7 B1g 939 897 0.00 0.70 0.75 0.86
8 B1u 2027 1938 6.79 0.00 0.00 0.00
9 B1u 989 946 21.61 0.00 0.75 0.86
10 B2g 1883 1800 0.00 3.36 0.75 0.86
11 B2g 908 868 0.00 0.60 0.75 0.86
12 B2u 2706 2587 169.40 0.00 0.00 0.00
13 B2u 948 907 0.23 0.00 0.00 0.00
14 B2u 350 334 17.28 0.00 0.00 0.00
15 B3g 1031 986 0.00 15.54 0.75 0.86
16 B3u 2601 2487 145.90 0.00 0.00 0.00
17 B3u 1709 1634 463.58 0.00 0.00 0.00
18 B3u 1196 1144 64.89 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13825.9 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 13217.6 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-pVTZ
ABC
2.68286 0.61383 0.56429

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.878 0.000 0.000
B2 -0.878 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.457 1.038 0.000
H6 1.457 -1.038 0.000
H7 -1.457 1.038 0.000
H8 -1.457 -1.038 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75591.31581.31581.18891.18892.55532.5553
B21.75591.31581.31582.55532.55531.18891.1889
H31.31581.31581.96022.03992.03992.03992.0399
H41.31581.31581.96022.03992.03992.03992.0399
H51.18892.55532.03992.03992.07692.91363.5781
H61.18892.55532.03992.03992.07693.57812.9136
H72.55531.18892.03992.03992.91363.57812.0769
H82.55531.18892.03992.03993.57812.91362.0769

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.706 B1 H4 B2 83.706
H3 B1 H4 96.294 H3 B1 H5 108.957
H3 B1 H6 108.957 H3 B2 H4 96.294
H3 B2 H7 108.957 H3 B2 H8 108.957
H4 B1 H5 108.957 H4 B1 H6 108.957
H4 B2 H7 108.957 H4 B2 H8 108.957
H5 B1 H6 121.728 H7 B2 H8 121.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.285      
2 B -0.285      
3 H 0.136      
4 H 0.136      
5 H 0.074      
6 H 0.074      
7 H 0.074      
8 H 0.074      


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 -18.827 0.000 0.000
y 0.000 -17.878 0.000
z 0.000 0.000 -14.806
Traceless
 xyz
x -2.486 0.000 0.000
y 0.000 -1.061 0.000
z 0.000 0.000 3.546
Polar
3z2-r27.092
x2-y2-0.950
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.841 0.000 0.000
y 0.000 4.678 0.000
z 0.000 0.000 3.878


<r2> (average value of r2) Å2
<r2> 33.156
(<r2>)1/2 5.758