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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/6-31+G**
 hartrees
Energy at 0K-53.271606
Energy at 298.15K-53.277495
HF Energy-53.271606
Nuclear repulsion energy32.054072
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 wB97X-D/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 2625 2500 0.00 255.50 0.12 0.21
2 Ag 2204 2099 0.00 86.76 0.07 0.13
3 Ag 1206 1149 0.00 11.16 0.71 0.83
4 Ag 817 778 0.00 18.27 0.21 0.35
5 Au 854 813 0.00 0.00 0.10 0.00
6 B1g 2700 2571 0.00 117.99 0.75 0.86
7 B1g 943 898 0.00 1.44 0.75 0.86
8 B1u 2041 1943 12.33 0.00 0.00 0.00
9 B1u 992 944 15.77 0.00 0.00 0.00
10 B2g 1889 1799 0.00 4.41 0.75 0.86
11 B2g 907 864 0.00 4.79 0.75 0.86
12 B2u 2714 2585 208.45 0.00 0.00 0.00
13 B2u 959 913 1.38 0.00 0.00 0.00
14 B2u 354 337 13.30 0.00 0.00 0.00
15 B3g 1042 992 0.00 24.47 0.75 0.86
16 B3u 2608 2484 166.24 0.00 0.00 0.00
17 B3u 1722 1640 487.60 0.00 0.00 0.00
18 B3u 1199 1142 69.69 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13886.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 13223.6 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 wB97X-D/6-31+G**
ABC
2.66914 0.61063 0.56094

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.881 0.000 0.000
B2 -0.881 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.460 1.042 0.000
H6 1.460 -1.042 0.000
H7 -1.460 1.042 0.000
H8 -1.460 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76121.31741.31741.19281.19282.56262.5626
B21.76121.31741.31742.56262.56261.19281.1928
H31.31741.31741.95972.04432.04432.04432.0443
H41.31741.31741.95972.04432.04432.04432.0443
H51.19282.56262.04432.04432.08482.92073.5884
H61.19282.56262.04432.04432.08483.58842.9207
H72.56261.19282.04432.04432.92073.58842.0848
H82.56261.19282.04432.04433.58842.92072.0848

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.894 B1 H4 B2 83.894
H3 B1 H4 96.106 H3 B1 H5 108.959
H3 B1 H6 108.959 H3 B2 H4 96.106
H3 B2 H7 108.959 H3 B2 H8 108.959
H4 B1 H5 108.959 H4 B1 H6 108.959
H4 B2 H7 108.959 H4 B2 H8 108.959
H5 B1 H6 121.840 H7 B2 H8 121.840
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.070      
2 B -0.070      
3 H 0.045      
4 H 0.045      
5 H 0.013      
6 H 0.013      
7 H 0.013      
8 H 0.013      


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 -18.799 0.000 0.000
y 0.000 -17.909 0.000
z 0.000 0.000 -14.903
Traceless
 xyz
x -2.392 0.000 0.000
y 0.000 -1.058 0.000
z 0.000 0.000 3.451
Polar
3z2-r26.901
x2-y2-0.889
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.709 0.000 0.000
y 0.000 4.466 0.000
z 0.000 0.000 3.394


<r2> (average value of r2) Å2
<r2> 33.297
(<r2>)1/2 5.770