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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B3LYPultrafine/aug-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 B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-53.288151
Energy at 298.15K-53.294008
HF Energy-53.288151
Nuclear repulsion energy31.885409
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 B3LYPultrafine/aug-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 2602 2525 0.00 296.17 0.06 0.12
2 Ag 2149 2086 0.00 82.38 0.05 0.10
3 Ag 1183 1148 0.00 6.64 0.63 0.78
4 Ag 792 768 0.00 19.56 0.15 0.26
5 Au 833 808 0.00 0.00 0.00 0.00
6 B1g 2679 2600 0.00 115.41 0.75 0.86
7 B1g 926 899 0.00 0.37 0.75 0.86
8 B1u 1978 1920 8.79 0.00 0.00 0.00
9 B1u 978 949 21.77 0.00 0.75 0.00
10 B2g 1839 1785 0.00 3.76 0.75 0.86
11 B2g 876 850 0.00 0.03 0.75 0.86
12 B2u 2698 2618 175.18 0.00 0.00 0.00
13 B2u 934 906 0.36 0.00 0.00 0.00
14 B2u 353 342 16.37 0.00 0.00 0.00
15 B3g 1003 973 0.00 5.85 0.75 0.86
16 B3u 2588 2511 148.54 0.00 0.00 0.00
17 B3u 1694 1644 471.67 0.00 0.00 0.00
18 B3u 1174 1139 76.09 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13639.3 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 13235.6 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 B3LYPultrafine/aug-cc-pVDZ
ABC
2.65273 0.60205 0.55336

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.888 0.000 0.000
B2 -0.888 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
H5 1.469 1.046 0.000
H6 1.469 -1.046 0.000
H7 -1.469 1.046 0.000
H8 -1.469 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77591.32431.32431.19621.19622.57812.5781
B21.77591.32431.32432.57812.57811.19621.1962
H31.32431.32431.96492.05322.05322.05322.0532
H41.32431.32431.96492.05322.05322.05322.0532
H51.19622.57812.05322.05322.09172.93713.6057
H61.19622.57812.05322.05322.09173.60572.9371
H72.57811.19622.05322.05322.93713.60572.0917
H82.57811.19622.05322.05323.60572.93712.0917

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.215 B1 H4 B2 84.215
H3 B1 H4 95.785 H3 B1 H5 108.992
H3 B1 H6 108.992 H3 B2 H4 95.785
H3 B2 H7 108.992 H3 B2 H8 108.992
H4 B1 H5 108.992 H4 B1 H6 108.992
H4 B2 H7 108.992 H4 B2 H8 108.992
H5 B1 H6 121.928 H7 B2 H8 121.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -2.636      
2 B -2.636      
3 H 0.851      
4 H 0.851      
5 H 0.893      
6 H 0.893      
7 H 0.893      
8 H 0.893      


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 -19.069 0.000 0.000
y 0.000 -18.205 0.000
z 0.000 0.000 -15.126
Traceless
 xyz
x -2.403 0.000 0.000
y 0.000 -1.107 0.000
z 0.000 0.000 3.511
Polar
3z2-r27.021
x2-y2-0.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.075 0.000 0.000
y 0.000 4.983 0.000
z 0.000 0.000 4.291


<r2> (average value of r2) Å2
<r2> 33.726
(<r2>)1/2 5.807