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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-1196.126554
Energy at 298.15K-1196.126987
HF Energy-1196.126554
Nuclear repulsion energy345.005398
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 B1B95/6-31G
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 1823 1739 6.33      
2 A1 1162 1108 270.62      
3 A1 540 515 1.94      
4 A1 306 292 2.76      
5 A1 153 146 2.06      
6 A2 577 550 0.00      
7 A2 147 140 0.00      
8 B1 343 327 1.98      
9 B2 1209 1153 9.35      
10 B2 929 886 159.65      
11 B2 425 405 0.04      
12 B2 393 375 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 4003.6 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 3818.2 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 B1B95/6-31G
ABC
0.09793 0.06056 0.03742

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.663 0.427
C2 0.000 -0.663 0.427
F3 0.000 1.348 1.604
F4 0.000 -1.348 1.604
Cl5 0.000 1.686 -1.000
Cl6 0.000 -1.686 -1.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32591.36252.33061.75572.7482
C21.32592.33061.36252.74821.7557
F31.36252.33062.69662.62643.9987
F42.33061.36252.69663.99872.6264
Cl51.75572.74822.62643.99873.3716
Cl62.74821.75573.99872.62643.3716

picture of cis-1,2-dichloro-1,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 120.199 C1 C2 Cl6 125.634
C2 C1 F3 120.199 C2 C1 Cl5 125.634
F3 C1 Cl5 114.167 F4 C2 Cl6 114.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.050      
2 C 0.050      
3 F -0.264      
4 F -0.264      
5 Cl 0.214      
6 Cl 0.214      


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 -1.045 1.045
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.205 0.000 0.000
y 0.000 -46.992 0.000
z 0.000 0.000 -47.543
Traceless
 xyz
x 2.063 0.000 0.000
y 0.000 -0.618 0.000
z 0.000 0.000 -1.445
Polar
3z2-r2-2.890
x2-y21.787
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.243 0.000 0.000
y 0.000 7.844 0.000
z 0.000 0.000 6.470


<r2> (average value of r2) Å2
<r2> 246.248
(<r2>)1/2 15.692