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All results from a given calculation for HBHHBH (Diborane(4) C2V)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-52.020195
Energy at 298.15K-52.023167
HF Energy-52.020195
Nuclear repulsion energy24.937477
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/aug-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 A1 2876 2748 0.02      
2 A1 2173 2077 13.04      
3 A1 1359 1299 3.32      
4 A1 1101 1052 1.11      
5 A1 742 709 3.81      
6 A2 1365 1304 0.00      
7 A2 713 681 0.00      
8 B1 2168 2072 39.41      
9 B1 807 771 1.79      
10 B2 2836 2711 37.34      
11 B2 1416 1353 211.27      
12 B2 591 565 26.09      

Unscaled Zero Point Vibrational Energy (zpe) 9073.3 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 8671.4 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/aug-cc-pVTZ
ABC
6.86598 0.85134 0.81972

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.730 -0.114
B2 0.000 -0.730 -0.114
H3 0.894 0.000 0.559
H4 -0.894 0.000 0.559
H5 0.000 1.893 0.012
H6 0.000 -1.893 0.012

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46001.33591.33591.16972.6259
B21.46001.33591.33592.62591.1697
H31.33591.33591.78722.16352.1635
H41.33591.33591.78722.16352.1635
H51.16972.62592.16352.16353.7858
H62.62591.16972.16352.16353.7858

picture of Diborane(4) C2V state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H3 56.876 B1 B2 H4 56.876
B1 B2 H6 173.811 B1 H3 B2 66.249
B1 H4 B2 66.249 B2 B1 H3 56.876
B2 B1 H4 56.876 B2 B1 H5 173.811
H3 B1 H4 83.968 H3 B1 H5 119.272
H3 B2 H4 83.968 H3 B2 H6 119.272
H4 B1 H5 119.272 H4 B2 H6 119.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.182      
2 B -0.182      
3 H 0.262      
4 H 0.262      
5 H -0.080      
6 H -0.080      


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 0.864 0.864
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.004 0.000 0.000
y 0.000 -14.096 0.000
z 0.000 0.000 -16.580
Traceless
 xyz
x 1.334 0.000 0.000
y 0.000 1.196 0.000
z 0.000 0.000 -2.530
Polar
3z2-r2-5.061
x2-y20.092
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.232 0.000 0.000
y 0.000 5.989 0.000
z 0.000 0.000 4.589


<r2> (average value of r2) Å2
<r2> 24.150
(<r2>)1/2 4.914