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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-53.286019
Energy at 298.15K-53.291900
HF Energy-53.286019
Nuclear repulsion energy32.132991
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/Def2TZVPP
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 0.00 269.61 0.09 0.17
2 Ag 2184 2086 0.00 75.30 0.06 0.11
3 Ag 1203 1149 0.00 7.27 0.70 0.83
4 Ag 813 777 0.00 19.56 0.17 0.29
5 Au 853 815 0.00 0.00 0.29 0.45
6 B1g 2690 2569 0.00 105.69 0.75 0.86
7 B1g 937 895 0.00 0.84 0.75 0.86
8 B1u 2027 1936 6.72 0.00 0.00 0.00
9 B1u 989 945 21.42 0.00 0.75 0.86
10 B2g 1887 1803 0.00 3.29 0.75 0.86
11 B2g 907 867 0.00 0.12 0.75 0.86
12 B2u 2704 2583 170.88 0.00 0.00 0.00
13 B2u 947 905 0.26 0.00 0.00 0.00
14 B2u 349 333 17.21 0.00 0.00 0.00
15 B3g 1029 983 0.00 8.02 0.75 0.86
16 B3u 2598 2482 147.21 0.00 0.00 0.00
17 B3u 1712 1636 463.08 0.00 0.00 0.00
18 B3u 1195 1141 64.25 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13818.6 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 13199.5 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/Def2TZVPP
ABC
2.68088 0.61398 0.56433

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

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 1.039 0.000
H6 1.457 -1.039 0.000
H7 -1.457 1.039 0.000
H8 -1.457 -1.039 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75561.31571.31571.18941.18942.55532.5553
B21.75561.31571.31572.55532.55531.18941.1894
H31.31571.31571.96022.04012.04012.04012.0401
H41.31571.31571.96022.04012.04012.04012.0401
H51.18942.55532.04012.04012.07802.91353.5786
H61.18942.55532.04012.04012.07803.57862.9135
H72.55531.18942.04012.04012.91353.57862.0780
H82.55531.18942.04012.04013.57862.91352.0780

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.694 B1 H4 B2 83.694
H3 B1 H4 96.306 H3 B1 H5 108.950
H3 B1 H6 108.950 H3 B2 H4 96.306
H3 B2 H7 108.950 H3 B2 H8 108.950
H4 B1 H5 108.950 H4 B1 H6 108.950
H4 B2 H7 108.950 H4 B2 H8 108.950
H5 B1 H6 121.745 H7 B2 H8 121.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.210      
2 B -0.210      
3 H 0.078      
4 H 0.078      
5 H 0.066      
6 H 0.066      
7 H 0.066      
8 H 0.066      


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 -18.809 0.000 0.000
y 0.000 -17.865 0.000
z 0.000 0.000 -14.808
Traceless
 xyz
x -2.473 0.000 0.000
y 0.000 -1.057 0.000
z 0.000 0.000 3.529
Polar
3z2-r27.059
x2-y2-0.944
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.806 0.000 0.000
y 0.000 4.684 0.000
z 0.000 0.000 3.875


<r2> (average value of r2) Å2
<r2> 33.151
(<r2>)1/2 5.758