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

using model chemistry: HF/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2 1A1
Energy calculated at HF/3-21G
 hartrees
Energy at 0K-1878.410146
Energy at 298.15K-1878.409678
HF Energy-1878.410146
Nuclear repulsion energy417.850483
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 HF/3-21G
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 1192 1079 0.00      
2 A1 396 359 0.00      
3 A1 182 165 0.00      
4 B1 28 26 0.00      
5 B2 705 639 188.26      
6 B2 303 275 6.59      
7 E 867 785 298.77      
7 E 867 785 298.77      
8 E 521 472 22.20      
8 E 521 472 22.20      
9 E 107 97 5.53      
9 E 107 97 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 2897.6 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 2624.1 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 HF/3-21G
ABC
0.05063 0.02813 0.02813

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.836
B2 0.000 0.000 -0.836
Cl3 0.000 1.543 1.727
Cl4 0.000 -1.543 1.727
Cl5 1.543 0.000 -1.727
Cl6 -1.543 0.000 -1.727

Atom - Atom Distances (Å)
  B1 B2 Cl3 Cl4 Cl5 Cl6
B11.67271.78171.78172.99222.9922
B21.67272.99222.99221.78171.7817
Cl31.78172.99223.08564.08624.0862
Cl41.78172.99223.08564.08624.0862
Cl52.99221.78174.08624.08623.0856
Cl62.99221.78174.08624.08623.0856

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 120.011 B1 B2 Cl6 120.011
B2 B1 Cl3 120.011 B2 B1 Cl4 120.011
Cl3 B1 Cl4 119.978 Cl5 B2 Cl6 119.978
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.278      
2 B 0.278      
3 Cl -0.139      
4 Cl -0.139      
5 Cl -0.139      
6 Cl -0.139      


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 0.000 0.000 0.000 0.000
AIM        
ESP 0.005 0.000 0.005 0.007


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -66.242 0.000 0.000
y 0.000 -66.242 0.000
z 0.000 0.000 -70.504
Traceless
 xyz
x 2.131 0.000 0.000
y 0.000 2.131 0.000
z 0.000 0.000 -4.262
Polar
3z2-r2-8.524
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 7.635 0.000 0.000
y 0.000 7.635 0.000
z 0.000 0.000 7.282


<r2> (average value of r2) Å2
<r2> 414.040
(<r2>)1/2 20.348