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All results from a given calculation for B2H6 (Diborane)

using model chemistry: PBEPBEultrafine/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-53.168290
Energy at 298.15K-53.174016
HF Energy-53.168290
Nuclear repulsion energy31.778207
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 PBEPBEultrafine/daug-cc-pVDZ
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 2548 2548 0.00 335.21 0.07 0.12
2 Ag 2122 2122 0.00 93.52 0.04 0.08
3 Ag 1136 1136 0.00 7.93 0.60 0.75
4 Ag 787 787 0.00 19.08 0.15 0.26
5 Au 815 815 0.00 0.00 0.00 0.00
6 B1g 2629 2629 0.00 134.64 0.75 0.86
7 B1g 896 896 0.00 0.50 0.75 0.86
8 B1u 1986 1986 2.01 0.00 0.00 0.00
9 B1u 943 943 18.29 0.00 0.00 0.00
10 B2g 1829 1829 0.00 3.43 0.75 0.86
11 B2g 864 864 0.00 0.00 0.75 0.86
12 B2u 2645 2645 154.96 0.00 0.00 0.00
13 B2u 852 852 0.00 0.00 0.00 0.00
14 B2u 296 296 17.12 0.00 0.00 0.00
15 B3g 930 930 0.00 6.29 0.75 0.86
16 B3u 2534 2534 139.25 0.00 0.00 0.00
17 B3u 1655 1655 353.81 0.00 0.00 0.00
18 B3u 1129 1129 57.49 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13297.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13297.8 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 PBEPBEultrafine/daug-cc-pVDZ
ABC
2.60856 0.60252 0.55329

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

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 0.993
H4 0.000 0.000 -0.993
H5 1.470 1.054 0.000
H6 1.470 -1.054 0.000
H7 -1.470 1.054 0.000
H8 -1.470 -1.054 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77151.33051.33051.20511.20512.58112.5811
B21.77151.33051.33052.58112.58111.20511.2051
H31.33051.33051.98552.06352.06352.06352.0635
H41.33051.33051.98552.06352.06352.06352.0635
H51.20512.58112.06352.06352.10742.94103.6181
H61.20512.58112.06352.06352.10743.61812.9410
H72.58111.20512.06352.06352.94103.61812.1074
H82.58111.20512.06352.06353.61812.94102.1074

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.481 B1 H4 B2 83.481
H3 B1 H4 96.519 H3 B1 H5 108.847
H3 B1 H6 108.847 H3 B2 H4 96.519
H3 B2 H7 108.847 H3 B2 H8 108.847
H4 B1 H5 108.847 H4 B1 H6 108.847
H4 B2 H7 108.847 H4 B2 H8 108.847
H5 B1 H6 121.946 H7 B2 H8 121.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -3.104      
2 B -3.104      
3 H 0.731      
4 H 0.731      
5 H 1.187      
6 H 1.187      
7 H 1.187      
8 H 1.187      


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 -19.124 0.000 0.000
y 0.000 -18.132 0.000
z 0.000 0.000 -15.053
Traceless
 xyz
x -2.532 0.000 0.000
y 0.000 -1.043 0.000
z 0.000 0.000 3.575
Polar
3z2-r27.150
x2-y2-0.993
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.342 0.000 0.000
y 0.000 5.169 0.000
z 0.000 0.000 4.405


<r2> (average value of r2) Å2
<r2> 33.798
(<r2>)1/2 5.814