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All results from a given calculation for B2H6 (Diborane)

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-53.244768
Energy at 298.15K-53.250645
HF Energy-53.244768
Nuclear repulsion energy32.175070
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 M06-2X/6-31G(2df,p)
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 2678 2550 0.00 196.42 0.12 0.21
2 Ag 2204 2099 0.00 78.31 0.10 0.18
3 Ag 1209 1151 0.00 13.17 0.72 0.84
4 Ag 815 776 0.00 17.82 0.20 0.33
5 Au 857 816 0.00 0.00 0.17 0.29
6 B1g 2764 2633 0.00 89.90 0.75 0.86
7 B1g 933 889 0.00 2.52 0.75 0.86
8 B1u 2037 1940 14.83 0.00 0.00 0.00
9 B1u 1001 953 26.14 0.00 0.00 0.00
10 B2g 1903 1813 0.00 3.80 0.75 0.86
11 B2g 886 844 0.00 1.22 0.75 0.86
12 B2u 2776 2644 136.07 0.00 0.00 0.00
13 B2u 959 913 0.28 0.00 0.00 0.00
14 B2u 342 326 16.61 0.00 0.00 0.00
15 B3g 1054 1004 0.00 21.90 0.75 0.86
16 B3u 2665 2538 136.66 0.00 0.00 0.00
17 B3u 1743 1660 495.34 0.00 0.00 0.00
18 B3u 1200 1143 75.20 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14012.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 13345.2 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 M06-2X/6-31G(2df,p)
ABC
2.69384 0.61387 0.56406

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.880 0.000 0.000
B2 -0.880 0.000 0.000
H3 0.000 0.000 0.975
H4 0.000 0.000 -0.975
H5 1.453 1.038 0.000
H6 1.453 -1.038 0.000
H7 -1.453 1.038 0.000
H8 -1.453 -1.038 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75921.31311.31311.18561.18562.55292.5529
B21.75921.31311.31312.55292.55291.18561.1856
H31.31311.31311.95012.03442.03442.03442.0344
H41.31311.31311.95012.03442.03442.03442.0344
H51.18562.55292.03442.03442.07552.90583.5710
H61.18562.55292.03442.03442.07553.57102.9058
H72.55291.18562.03442.03442.90583.57102.0755
H82.55291.18562.03442.03443.57102.90582.0755

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.107 B1 H4 B2 84.107
H3 B1 H4 95.893 H3 B1 H5 108.900
H3 B1 H6 108.900 H3 B2 H4 95.893
H3 B2 H7 108.900 H3 B2 H8 108.900
H4 B1 H5 108.900 H4 B1 H6 108.900
H4 B2 H7 108.900 H4 B2 H8 108.900
H5 B1 H6 122.161 H7 B2 H8 122.161
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.087      
2 B -0.087      
3 H 0.124      
4 H 0.124      
5 H -0.018      
6 H -0.018      
7 H -0.018      
8 H -0.018      


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 -18.436 0.000 0.000
y 0.000 -17.478 0.000
z 0.000 0.000 -14.574
Traceless
 xyz
x -2.410 0.000 0.000
y 0.000 -0.973 0.000
z 0.000 0.000 3.382
Polar
3z2-r26.765
x2-y2-0.958
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.367 0.000 0.000
y 0.000 4.137 0.000
z 0.000 0.000 3.420


<r2> (average value of r2) Å2
<r2> 32.901
(<r2>)1/2 5.736