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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-53.225779
Energy at 298.15K-53.231579
HF Energy-53.225779
Nuclear repulsion energy31.896026
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/cc-pVDZ
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 2633 2531 0.00 275.16 0.11 0.20
2 Ag 2197 2111 0.00 89.07 0.07 0.13
3 Ag 1172 1126 0.00 10.04 0.73 0.85
4 Ag 811 780 0.00 18.78 0.19 0.32
5 Au 833 801 0.00 0.00 0.00 0.00
6 B1g 2718 2612 0.00 116.29 0.75 0.86
7 B1g 908 873 0.00 1.51 0.75 0.86
8 B1u 2050 1970 7.79 0.00 0.00 0.00
9 B1u 971 933 16.56 0.00 0.00 0.00
10 B2g 1890 1816 0.00 4.20 0.75 0.86
11 B2g 882 848 0.00 3.87 0.75 0.86
12 B2u 2732 2626 176.96 0.00 0.00 0.00
13 B2u 904 869 0.00 0.00 0.00 0.00
14 B2u 314 302 15.69 0.00 0.00 0.00
15 B3g 995 956 0.00 29.07 0.75 0.86
16 B3u 2617 2515 157.44 0.00 0.00 0.00
17 B3u 1729 1662 425.19 0.00 0.00 0.00
18 B3u 1159 1114 63.61 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13757.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 13223.2 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/cc-pVDZ
ABC
2.63358 0.60559 0.55621

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.885 0.000 0.000
B2 -0.885 0.000 0.000
H3 0.000 0.000 0.987
H4 0.000 0.000 -0.987
H5 1.464 1.049 0.000
H6 1.464 -1.049 0.000
H7 -1.464 1.049 0.000
H8 -1.464 -1.049 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76931.32571.32571.19831.19832.57222.5722
B21.76931.32571.32572.57222.57221.19831.1983
H31.32571.32571.97462.05392.05392.05392.0539
H41.32571.32571.97462.05392.05392.05392.0539
H51.19832.57222.05392.05392.09812.92793.6020
H61.19832.57222.05392.05392.09813.60202.9279
H72.57221.19832.05392.05392.92793.60202.0981
H82.57221.19832.05392.05393.60202.92792.0981

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.724 B1 H4 B2 83.724
H3 B1 H4 96.276 H3 B1 H5 108.819
H3 B1 H6 108.819 H3 B2 H4 96.276
H3 B2 H7 108.819 H3 B2 H8 108.819
H4 B1 H5 108.819 H4 B1 H6 108.819
H4 B2 H7 108.819 H4 B2 H8 108.819
H5 B1 H6 122.186 H7 B2 H8 122.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.088      
2 B -0.088      
3 H 0.103      
4 H 0.103      
5 H -0.008      
6 H -0.008      
7 H -0.008      
8 H -0.008      


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 -18.576 0.000 0.000
y 0.000 -17.594 0.000
z 0.000 0.000 -14.652
Traceless
 xyz
x -2.453 0.000 0.000
y 0.000 -0.980 0.000
z 0.000 0.000 3.433
Polar
3z2-r26.866
x2-y2-0.982
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.749 0.000 0.000
y 0.000 4.427 0.000
z 0.000 0.000 3.521


<r2> (average value of r2) Å2
<r2> 33.331
(<r2>)1/2 5.773