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All results from a given calculation for B2H6 (Diborane)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-53.219741
Energy at 298.15K-53.225532
HF Energy-53.219741
Nuclear repulsion energy31.695629
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 BLYP/aug-cc-pVDZ
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 2546 2542 0.00 317.72 0.07 0.12
2 Ag 2096 2092 0.00 81.50 0.05 0.10
3 Ag 1152 1150 0.00 7.48 0.60 0.75
4 Ag 762 760 0.00 19.63 0.15 0.27
5 Au 814 812 0.00 0.00 0.00 0.00
6 B1g 2623 2618 0.00 129.94 0.75 0.86
7 B1g 907 905 0.00 0.42 0.75 0.86
8 B1u 1927 1924 7.31 0.00 0.00 0.00
9 B1u 957 955 20.55 0.00 0.00 0.00
10 B2g 1787 1784 0.00 3.57 0.75 0.86
11 B2g 855 853 0.00 0.01 0.75 0.86
12 B2u 2642 2637 173.50 0.00 0.00 0.00
13 B2u 906 904 0.25 0.00 0.00 0.00
14 B2u 340 339 16.07 0.00 0.00 0.00
15 B3g 967 965 0.00 5.84 0.75 0.86
16 B3u 2534 2529 145.43 0.00 0.00 0.00
17 B3u 1645 1642 430.57 0.00 0.00 0.00
18 B3u 1146 1144 76.82 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13302.0 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 13276.7 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 BLYP/aug-cc-pVDZ
ABC
2.62786 0.59360 0.54563

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.895 0.000 0.000
B2 -0.895 0.000 0.000
H3 0.000 0.000 0.986
H4 0.000 0.000 -0.986
H5 1.477 1.051 0.000
H6 1.477 -1.051 0.000
H7 -1.477 1.051 0.000
H8 -1.477 -1.051 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.79021.33161.33161.20181.20182.59502.5950
B21.79021.33161.33162.59502.59501.20181.2018
H31.33161.33161.97182.06402.06402.06402.0640
H41.33161.33161.97182.06402.06402.06402.0640
H51.20182.59502.06402.06402.10272.95483.6266
H61.20182.59502.06402.06402.10273.62662.9548
H72.59501.20182.06402.06402.95483.62662.1027
H82.59501.20182.06402.06403.62662.95482.1027

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.472 B1 H4 B2 84.472
H3 B1 H4 95.528 H3 B1 H5 109.008
H3 B1 H6 109.008 H3 B2 H4 95.528
H3 B2 H7 109.008 H3 B2 H8 109.008
H4 B1 H5 109.008 H4 B1 H6 109.008
H4 B2 H7 109.008 H4 B2 H8 109.008
H5 B1 H6 122.037 H7 B2 H8 122.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -3.173      
2 B -3.173      
3 H 1.027      
4 H 1.027      
5 H 1.073      
6 H 1.073      
7 H 1.073      
8 H 1.073      


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 -19.253 0.000 0.000
y 0.000 -18.379 0.000
z 0.000 0.000 -15.284
Traceless
 xyz
x -2.421 0.000 0.000
y 0.000 -1.110 0.000
z 0.000 0.000 3.531
Polar
3z2-r27.062
x2-y2-0.874
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.306 0.000 0.000
y 0.000 5.161 0.000
z 0.000 0.000 4.414


<r2> (average value of r2) Å2
<r2> 34.124
(<r2>)1/2 5.842