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All results from a given calculation for B2Cl4 (Diboron tetrachloride)

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2 1A1
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-1890.672604
Energy at 298.15K-1890.672054
HF Energy-1890.672604
Nuclear repulsion energy423.388696
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 mPW1PW91/6-31G(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 A1 1143 1091 0.00      
2 A1 406 388 0.00      
3 A1 171 163 0.00      
4 B1 25 24 0.00      
5 B2 735 701 160.35      
6 B2 289 276 5.69      
7 E 927 885 291.88      
7 E 927 885 291.88      
8 E 492 470 7.81      
8 E 492 470 7.81      
9 E 94 90 0.83      
9 E 94 90 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 2897.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 2766.3 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 mPW1PW91/6-31G(2df,p)
ABC
0.05293 0.02853 0.02853

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.845
B2 0.000 0.000 -0.845
Cl3 0.000 1.509 1.724
Cl4 0.000 -1.509 1.724
Cl5 1.509 0.000 -1.724
Cl6 -1.509 0.000 -1.724

Atom - Atom Distances (Å)
  B1 B2 Cl3 Cl4 Cl5 Cl6
B11.68911.74681.74682.97952.9795
B21.68912.97952.97951.74681.7468
Cl31.74682.97953.01814.05584.0558
Cl41.74682.97953.01814.05584.0558
Cl52.97951.74684.05584.05583.0181
Cl62.97951.74684.05584.05583.0181

picture of Diboron tetrachloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 Cl5 120.247 B1 B2 Cl6 120.247
B2 B1 Cl3 120.247 B2 B1 Cl4 120.247
Cl3 B1 Cl4 119.506 Cl5 B2 Cl6 119.506
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.275      
2 B 0.275      
3 Cl -0.137      
4 Cl -0.137      
5 Cl -0.137      
6 Cl -0.137      


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 -60.021 0.000 0.000
y 0.000 -60.021 0.000
z 0.000 0.000 -62.334
Traceless
 xyz
x 1.156 0.000 0.000
y 0.000 1.156 0.000
z 0.000 0.000 -2.313
Polar
3z2-r2-4.625
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.005 0.000 0.000
y 0.000 10.005 0.000
z 0.000 0.000 10.898


<r2> (average value of r2) Å2
<r2> 402.173
(<r2>)1/2 20.054