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All results from a given calculation for B2H6 (Diborane)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-52.573557
Energy at 298.15K-52.579295
HF Energy-52.573557
Nuclear repulsion energy31.674522
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 BLYP/STO-3G
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 2947 2726 0.00 63.74 0.16 0.27
2 Ag 2254 2086 0.00 35.50 0.24 0.39
3 Ag 1300 1203 0.00 17.40 0.74 0.85
4 Ag 793 734 0.00 12.14 0.41 0.58
5 Au 900 833 0.00 0.00 0.00 0.00
6 B1g 3096 2865 0.00 44.58 0.75 0.86
7 B1g 994 919 0.00 7.50 0.75 0.86
8 B1u 2125 1966 0.02 0.00 0.00 0.00
9 B1u 1073 993 43.66 0.00 0.00 0.00
10 B2g 1775 1642 0.00 7.94 0.75 0.86
11 B2g 876 810 0.00 0.53 0.75 0.86
12 B2u 3099 2867 3.67 0.00 0.00 0.00
13 B2u 1039 961 0.16 0.00 0.00 0.00
14 B2u 361 334 18.36 0.00 0.00 0.00
15 B3g 1159 1073 0.00 16.20 0.75 0.86
16 B3u 2946 2726 11.44 0.00 0.00 0.00
17 B3u 1625 1503 538.40 0.00 0.00 0.00
18 B3u 1290 1193 115.72 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14825.9 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 13716.9 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 BLYP/STO-3G
ABC
2.68980 0.57910 0.53697

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.913 0.000 0.000
B2 -0.913 0.000 0.000
H3 0.000 0.000 0.994
H4 0.000 0.000 -0.994
H5 1.474 1.030 0.000
H6 1.474 -1.030 0.000
H7 -1.474 1.030 0.000
H8 -1.474 -1.030 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.82631.34981.34981.17271.17272.59982.5998
B21.82631.34981.34982.59982.59981.17271.1727
H31.34981.34981.98812.05462.05462.05462.0546
H41.34981.34981.98812.05462.05462.05462.0546
H51.17272.59982.05462.05462.05972.94813.5963
H61.17272.59982.05462.05462.05973.59632.9481
H72.59981.17272.05462.05462.94813.59632.0597
H82.59981.17272.05462.05463.59632.94812.0597

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 85.140 B1 H4 B2 85.140
H3 B1 H4 94.860 H3 B1 H5 108.879
H3 B1 H6 108.879 H3 B2 H4 94.860
H3 B2 H7 108.879 H3 B2 H8 108.879
H4 B1 H5 108.879 H4 B1 H6 108.879
H4 B2 H7 108.879 H4 B2 H8 108.879
H5 B1 H6 122.850 H7 B2 H8 122.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.010      
2 B 0.010      
3 H 0.027      
4 H 0.027      
5 H -0.019      
6 H -0.019      
7 H -0.019      
8 H -0.019      


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 -17.726 0.000 0.000
y 0.000 -16.228 0.000
z 0.000 0.000 -14.131
Traceless
 xyz
x -2.547 0.000 0.000
y 0.000 -0.299 0.000
z 0.000 0.000 2.846
Polar
3z2-r25.692
x2-y2-1.498
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.009 0.000 0.000
y 0.000 1.840 0.000
z 0.000 0.000 1.561


<r2> (average value of r2) Å2
<r2> 33.259
(<r2>)1/2 5.767