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All results from a given calculation for B2H6 (Diborane)

using model chemistry: PBEPBE/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 PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-53.184985
Energy at 298.15K-53.190732
HF Energy-53.184985
Nuclear repulsion energy32.046216
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 PBEPBE/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 2558 2537 0.00 307.16 0.07 0.13
2 Ag 2138 2120 0.00 85.63 0.04 0.08
3 Ag 1151 1141 0.00 6.63 0.63 0.77
4 Ag 794 787 0.00 18.32 0.14 0.25
5 Au 827 820 0.00 0.00 0.00 0.00
6 B1g 2633 2611 0.00 126.14 0.75 0.86
7 B1g 905 898 0.00 0.52 0.75 0.86
8 B1u 1990 1974 1.65 0.00 0.00 0.00
9 B1u 951 943 19.29 0.00 0.00 0.00
10 B2g 1840 1825 0.00 3.06 0.75 0.86
11 B2g 875 867 0.00 0.01 0.75 0.86
12 B2u 2648 2626 149.97 0.00 0.00 0.00
13 B2u 865 858 0.00 0.00 0.00 0.00
14 B2u 305 302 17.65 0.00 0.00 0.00
15 B3g 934 926 0.00 5.38 0.75 0.86
16 B3u 2546 2525 133.91 0.00 0.00 0.00
17 B3u 1666 1652 344.84 0.00 0.00 0.00
18 B3u 1146 1136 56.63 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13384.5 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 13274.7 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 PBEPBE/6-311+G(3df,2p)
ABC
2.65448 0.61278 0.56294

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

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 0.986
H4 0.000 0.000 -0.986
H5 1.460 1.044 0.000
H6 1.460 -1.044 0.000
H7 -1.460 1.044 0.000
H8 -1.460 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75551.31971.31971.19511.19512.55992.5599
B21.75551.31971.31972.55992.55991.19511.1951
H31.31971.31971.97102.04732.04732.04732.0473
H41.31971.31971.97102.04732.04732.04732.0473
H51.19512.55992.04732.04732.08782.91933.5890
H61.19512.55992.04732.04732.08783.58902.9193
H72.55991.19512.04732.04732.91933.58902.0878
H82.55991.19512.04732.04733.58902.91932.0878

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.380 B1 H4 B2 83.380
H3 B1 H4 96.620 H3 B1 H5 108.895
H3 B1 H6 108.895 H3 B2 H4 96.620
H3 B2 H7 108.895 H3 B2 H8 108.895
H4 B1 H5 108.895 H4 B1 H6 108.895
H4 B2 H7 108.895 H4 B2 H8 108.895
H5 B1 H6 121.727 H7 B2 H8 121.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.349      
2 B -0.349      
3 H 0.229      
4 H 0.229      
5 H 0.060      
6 H 0.060      
7 H 0.060      
8 H 0.060      


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 -18.994 0.000 0.000
y 0.000 -18.000 0.000
z 0.000 0.000 -14.936
Traceless
 xyz
x -2.526 0.000 0.000
y 0.000 -1.035 0.000
z 0.000 0.000 3.561
Polar
3z2-r27.121
x2-y2-0.994
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.184 0.000 0.000
y 0.000 5.032 0.000
z 0.000 0.000 4.296


<r2> (average value of r2) Å2
<r2> 33.339
(<r2>)1/2 5.774