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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-53.273893
Energy at 298.15K-53.279702
HF Energy-53.273893
Nuclear repulsion energy31.944069
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 B97D3/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 2563 2527 0.00 287.79 0.09 0.16
2 Ag 2123 2093 0.00 76.09 0.07 0.12
3 Ag 1171 1154 0.00 8.23 0.70 0.83
4 Ag 774 763 0.00 18.66 0.16 0.28
5 Au 828 816 0.00 0.00 0.00 0.00
6 B1g 2637 2600 0.00 121.64 0.75 0.86
7 B1g 918 905 0.00 0.82 0.75 0.86
8 B1u 1975 1948 6.45 0.00 0.00 0.00
9 B1u 969 955 21.06 0.00 0.00 0.00
10 B2g 1828 1802 0.00 3.26 0.75 0.86
11 B2g 874 862 0.00 0.53 0.75 0.86
12 B2u 2652 2615 181.38 0.00 0.00 0.00
13 B2u 910 898 0.20 0.00 0.00 0.00
14 B2u 332 328 16.05 0.00 0.00 0.00
15 B3g 978 964 0.00 15.39 0.75 0.86
16 B3u 2551 2515 151.08 0.00 0.00 0.00
17 B3u 1664 1641 413.13 0.00 0.00 0.00
18 B3u 1164 1148 74.77 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13454.6 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 13266.2 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 B97D3/cc-pVTZ
ABC
2.65959 0.60460 0.55586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.886 0.000 0.000
B2 -0.886 0.000 0.000
H3 0.000 0.000 0.983
H4 0.000 0.000 -0.983
H5 1.465 1.044 0.000
H6 1.465 -1.044 0.000
H7 -1.465 1.044 0.000
H8 -1.465 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77211.32321.32321.19341.19342.57212.5721
B21.77211.32321.32322.57212.57211.19341.1934
H31.32321.32321.96552.04952.04952.04952.0495
H41.32321.32321.96552.04952.04952.04952.0495
H51.19342.57212.04952.04952.08752.92943.5971
H61.19342.57212.04952.04952.08753.59712.9294
H72.57211.19342.04952.04952.92943.59712.0875
H82.57211.19342.04952.04953.59712.92942.0875

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.077 B1 H4 B2 84.077
H3 B1 H4 95.923 H3 B1 H5 108.946
H3 B1 H6 108.946 H3 B2 H4 95.923
H3 B2 H7 108.946 H3 B2 H8 108.946
H4 B1 H5 108.946 H4 B1 H6 108.946
H4 B2 H7 108.946 H4 B2 H8 108.946
H5 B1 H6 121.994 H7 B2 H8 121.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.179      
2 B -0.179      
3 H 0.113      
4 H 0.113      
5 H 0.033      
6 H 0.033      
7 H 0.033      
8 H 0.033      


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 -18.981 0.000 0.000
y 0.000 -18.015 0.000
z 0.000 0.000 -14.897
Traceless
 xyz
x -2.525 0.000 0.000
y 0.000 -1.076 0.000
z 0.000 0.000 3.601
Polar
3z2-r27.202
x2-y2-0.966
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.073 0.000 0.000
y 0.000 4.804 0.000
z 0.000 0.000 3.977


<r2> (average value of r2) Å2
<r2> 33.526
(<r2>)1/2 5.790