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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B3PW91/daug-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 B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-53.283109
Energy at 298.15K-53.288948
HF Energy-53.283109
Nuclear repulsion energy32.170169
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 B3PW91/daug-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 2613 2613 0.00 309.40 0.06 0.12
2 Ag 2182 2182 0.00 85.72 0.05 0.09
3 Ag 1191 1191 0.00 6.51 0.63 0.77
4 Ag 812 812 0.00 18.47 0.14 0.25
5 Au 847 847 0.00 0.00 0.00 0.00
6 B1g 2690 2690 0.00 117.60 0.75 0.86
7 B1g 930 930 0.00 0.43 0.75 0.86
8 B1u 2022 2022 4.68 0.00 0.00 0.00
9 B1u 981 981 21.37 0.00 0.00 0.00
10 B2g 1877 1877 0.00 3.47 0.75 0.86
11 B2g 895 895 0.00 0.04 0.75 0.86
12 B2u 2705 2705 162.42 0.00 0.00 0.00
13 B2u 919 919 0.05 0.00 0.00 0.00
14 B2u 336 336 17.15 0.00 0.00 0.00
15 B3g 996 996 0.00 5.65 0.75 0.86
16 B3u 2600 2600 142.46 0.00 0.00 0.00
17 B3u 1712 1712 411.68 0.00 0.00 0.00
18 B3u 1183 1183 64.33 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13744.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13744.3 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 B3PW91/daug-cc-pVTZ
ABC
2.68326 0.61614 0.56628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/daug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.876 0.000 0.000
B2 -0.876 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.455 1.038 0.000
H6 1.455 -1.038 0.000
H7 -1.455 1.038 0.000
H8 -1.455 -1.038 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75161.31451.31451.18891.18892.55162.5516
B21.75161.31451.31452.55162.55161.18891.1889
H31.31451.31451.96042.03862.03862.03862.0386
H41.31451.31451.96042.03862.03862.03862.0386
H51.18892.55162.03862.03862.07662.90993.5748
H61.18892.55162.03862.03862.07663.57482.9099
H72.55161.18892.03862.03862.90993.57482.0766
H82.55161.18892.03862.03863.57482.90992.0766

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.561 B1 H4 B2 83.561
H3 B1 H4 96.439 H3 B1 H5 108.939
H3 B1 H6 108.939 H3 B2 H4 96.439
H3 B2 H7 108.939 H3 B2 H8 108.939
H4 B1 H5 108.939 H4 B1 H6 108.939
H4 B2 H7 108.939 H4 B2 H8 108.939
H5 B1 H6 121.698 H7 B2 H8 121.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.160      
2 B 0.160      
3 H 0.073      
4 H 0.073      
5 H -0.116      
6 H -0.116      
7 H -0.116      
8 H -0.116      


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 -18.769 0.000 0.000
y 0.000 -17.796 0.000
z 0.000 0.000 -14.739
Traceless
 xyz
x -2.501 0.000 0.000
y 0.000 -1.042 0.000
z 0.000 0.000 3.543
Polar
3z2-r27.087
x2-y2-0.973
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.976 0.000 0.000
y 0.000 4.861 0.000
z 0.000 0.000 4.195


<r2> (average value of r2) Å2
<r2> 33.053
(<r2>)1/2 5.749