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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B3LYPultrafine/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-53.312094
Energy at 298.15K-53.317976
HF Energy-53.312094
Nuclear repulsion energy32.184087
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/daug-cc-pVTZ
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 2621 2621 0.00 311.33 0.06 0.12
2 Ag 2179 2179 0.00 82.15 0.05 0.10
3 Ag 1205 1205 0.00 6.40 0.62 0.77
4 Ag 800 800 0.00 18.49 0.14 0.25
5 Au 849 849 0.00 0.00 0.00 0.00
6 B1g 2694 2694 0.00 117.39 0.75 0.86
7 B1g 939 939 0.00 0.44 0.75 0.86
8 B1u 1994 1994 7.88 0.00 0.00 0.00
9 B1u 991 991 23.43 0.00 0.00 0.00
10 B2g 1859 1859 0.00 3.71 0.75 0.86
11 B2g 893 893 0.00 0.06 0.75 0.86
12 B2u 2709 2709 173.90 0.00 0.00 0.00
13 B2u 953 953 0.32 0.00 0.00 0.00
14 B2u 361 361 16.69 0.00 0.00 0.00
15 B3g 1021 1021 0.00 5.64 0.75 0.86
16 B3u 2607 2607 144.91 0.00 0.00 0.00
17 B3u 1716 1716 457.24 0.00 0.00 0.00
18 B3u 1197 1197 75.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13795.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13795.3 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 B3LYPultrafine/daug-cc-pVTZ
ABC
2.70596 0.61321 0.56383

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.879 0.000 0.000
B2 -0.879 0.000 0.000
H3 0.000 0.000 0.974
H4 0.000 0.000 -0.974
H5 1.457 1.035 0.000
H6 1.457 -1.035 0.000
H7 -1.457 1.035 0.000
H8 -1.457 -1.035 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75871.31201.31201.18511.18512.55502.5550
B21.75871.31201.31202.55502.55501.18511.1851
H31.31201.31201.94742.03502.03502.03502.0350
H41.31201.31201.94742.03502.03502.03502.0350
H51.18512.55502.03502.03502.07012.91333.5738
H61.18512.55502.03502.03502.07013.57382.9133
H72.55501.18512.03502.03502.91333.57382.0701
H82.55501.18512.03502.03503.57382.91332.0701

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.170 B1 H4 B2 84.170
H3 B1 H4 95.830 H3 B1 H5 109.054
H3 B1 H6 109.054 H3 B2 H4 95.830
H3 B2 H7 109.054 H3 B2 H8 109.054
H4 B1 H5 109.054 H4 B1 H6 109.054
H4 B2 H7 109.054 H4 B2 H8 109.054
H5 B1 H6 121.700 H7 B2 H8 121.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.250      
2 B 0.250      
3 H 0.091      
4 H 0.091      
5 H -0.170      
6 H -0.170      
7 H -0.170      
8 H -0.170      


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 -18.980 0.000 0.000
y 0.000 -18.038 0.000
z 0.000 0.000 -14.920
Traceless
 xyz
x -2.502 0.000 0.000
y 0.000 -1.088 0.000
z 0.000 0.000 3.590
Polar
3z2-r27.180
x2-y2-0.942
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.964 0.000 0.000
y 0.000 4.855 0.000
z 0.000 0.000 4.197


<r2> (average value of r2) Å2
<r2> 33.214
(<r2>)1/2 5.763