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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-53.271984
Energy at 298.15K-53.277784
HF Energy-53.271984
Nuclear repulsion energy31.963800
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 B97D3/6-311+G(3df,2p)
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 2561 2528 0.00 309.51 0.07 0.13
2 Ag 2120 2092 0.00 81.22 0.05 0.10
3 Ag 1170 1155 0.00 6.16 0.63 0.77
4 Ag 773 763 0.00 19.03 0.15 0.25
5 Au 827 816 0.00 0.00 0.00 0.00
6 B1g 2635 2601 0.00 125.96 0.75 0.86
7 B1g 916 904 0.00 0.57 0.75 0.86
8 B1u 1970 1945 6.21 0.00 0.00 0.00
9 B1u 968 956 22.48 0.00 0.00 0.00
10 B2g 1824 1800 0.00 2.92 0.75 0.86
11 B2g 873 861 0.00 0.03 0.75 0.86
12 B2u 2650 2616 185.76 0.00 0.00 0.00
13 B2u 906 894 0.28 0.00 0.00 0.00
14 B2u 331 326 16.05 0.00 0.00 0.00
15 B3g 973 961 0.00 5.48 0.75 0.86
16 B3u 2549 2516 153.54 0.00 0.00 0.00
17 B3u 1660 1638 414.33 0.00 0.00 0.00
18 B3u 1164 1149 76.98 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13435.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 13260.4 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 B97D3/6-311+G(3df,2p)
ABC
2.66474 0.60504 0.55632

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.886 0.000 0.000
B2 -0.886 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
H5 1.464 1.043 0.000
H6 1.464 -1.043 0.000
H7 -1.464 1.043 0.000
H8 -1.464 -1.043 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77171.32241.32241.19231.19232.57082.5708
B21.77171.32241.32242.57082.57081.19231.1923
H31.32241.32241.96362.04812.04812.04812.0481
H41.32241.32241.96362.04812.04812.04812.0481
H51.19232.57082.04812.04812.08552.92813.5948
H61.19232.57082.04812.04812.08553.59482.9281
H72.57081.19232.04812.04812.92813.59482.0855
H82.57081.19232.04812.04813.59482.92812.0855

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.118 B1 H4 B2 84.118
H3 B1 H4 95.882 H3 B1 H5 108.957
H3 B1 H6 108.957 H3 B2 H4 95.882
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 121.983 H7 B2 H8 121.983
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.345      
2 B -0.345      
3 H 0.219      
4 H 0.219      
5 H 0.063      
6 H 0.063      
7 H 0.063      
8 H 0.063      


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 -18.960 0.000 0.000
y 0.000 -18.031 0.000
z 0.000 0.000 -14.934
Traceless
 xyz
x -2.478 0.000 0.000
y 0.000 -1.084 0.000
z 0.000 0.000 3.561
Polar
3z2-r27.123
x2-y2-0.929
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.142 0.000 0.000
y 0.000 4.991 0.000
z 0.000 0.000 4.279


<r2> (average value of r2) Å2
<r2> 33.508
(<r2>)1/2 5.789