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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B1B95/6-311+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 B1B95/6-311+G(3df,2p)
 hartrees
Energy at 0K-53.247016
Energy at 298.15K-53.252873
HF Energy-53.247016
Nuclear repulsion energy32.271929
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 B1B95/6-311+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 2632 2632 0.00 296.26 0.07 0.13
2 Ag 2198 2198 0.00 82.96 0.05 0.09
3 Ag 1195 1195 0.00 5.95 0.68 0.81
4 Ag 817 817 0.00 18.14 0.14 0.25
5 Au 855 855 0.00 0.00 0.24 0.39
6 B1g 2708 2708 0.00 116.96 0.75 0.86
7 B1g 928 928 0.00 0.58 0.75 0.86
8 B1u 2041 2041 5.35 0.00 0.00 0.00
9 B1u 984 984 22.71 0.00 0.00 0.00
10 B2g 1905 1905 0.00 3.21 0.75 0.86
11 B2g 899 899 0.00 0.01 0.75 0.86
12 B2u 2723 2723 169.74 0.00 0.00 0.00
13 B2u 930 930 0.17 0.00 0.00 0.00
14 B2u 332 332 16.22 0.00 0.00 0.00
15 B3g 1018 1018 0.00 5.78 0.75 0.86
16 B3u 2618 2618 146.33 0.00 0.00 0.00
17 B3u 1744 1744 416.16 0.00 0.00 0.00
18 B3u 1186 1186 67.15 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13855.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13855.3 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 B1B95/6-311+G(3df,2p)
ABC
2.70189 0.61943 0.56921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.874 0.000 0.000
B2 -0.874 0.000 0.000
H3 0.000 0.000 0.976
H4 0.000 0.000 -0.976
H5 1.449 1.035 0.000
H6 1.449 -1.035 0.000
H7 -1.449 1.035 0.000
H8 -1.449 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.74851.31011.31011.18421.18422.54372.5437
B21.74851.31011.31012.54372.54371.18421.1842
H31.31011.31011.95152.03082.03082.03082.0308
H41.31011.31011.95152.03082.03082.03082.0308
H51.18422.54372.03082.03082.07042.89863.5620
H61.18422.54372.03082.03082.07043.56202.8986
H72.54371.18422.03082.03082.89863.56202.0704
H82.54371.18422.03082.03083.56202.89862.0704

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.717 B1 H4 B2 83.717
H3 B1 H4 96.283 H3 B1 H5 108.907
H3 B1 H6 108.907 H3 B2 H4 96.283
H3 B2 H7 108.907 H3 B2 H8 108.907
H4 B1 H5 108.907 H4 B1 H6 108.907
H4 B2 H7 108.907 H4 B2 H8 108.907
H5 B1 H6 121.896 H7 B2 H8 121.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.466      
2 B -0.466      
3 H 0.275      
4 H 0.275      
5 H 0.095      
6 H 0.095      
7 H 0.095      
8 H 0.095      


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 -18.728 0.000 0.000
y 0.000 -17.811 0.000
z 0.000 0.000 -14.799
Traceless
 xyz
x -2.423 0.000 0.000
y 0.000 -1.047 0.000
z 0.000 0.000 3.470
Polar
3z2-r26.941
x2-y2-0.918
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.887 0.000 0.000
y 0.000 4.805 0.000
z 0.000 0.000 4.122


<r2> (average value of r2) Å2
<r2> 32.923
(<r2>)1/2 5.738