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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-1182.421118
Energy at 298.15K-1182.421161
HF Energy-1182.421118
Nuclear repulsion energy338.901560
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/STO-3G
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 1857 1633 0.00      
2 Ag 1307 1148 0.00      
3 Ag 656 576 0.00      
4 Ag 412 362 0.00      
5 Ag 264 232 0.00      
6 Au 353 311 1.84      
7 Au 130 114 1.46      
8 Bg 463 407 0.00      
9 Bu 1400 1231 140.11      
10 Bu 885 778 140.44      
11 Bu 403 354 2.33      
12 Bu 149 131 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 4139.5 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 3638.2 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 mPW1PW91/STO-3G
ABC
0.13161 0.04761 0.03496

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.672 0.000
C2 0.106 -0.672 0.000
F3 -1.316 1.266 0.000
F4 1.316 -1.266 0.000
Cl5 1.316 1.786 0.000
Cl6 -1.316 -1.786 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36101.34822.40441.80672.7399
C21.36102.40441.34822.73991.8067
F31.34822.40443.65312.68353.0523
F42.40441.34823.65313.05232.6835
Cl51.80672.73992.68353.05234.4373
Cl62.73991.80673.05232.68354.4373

picture of trans-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 125.127 C1 C2 Cl6 119.083
C2 C1 F3 125.127 C2 C1 Cl5 119.083
F3 C1 Cl5 115.790 F4 C2 Cl6 115.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.110      
2 C 0.110      
3 F -0.011      
4 F -0.011      
5 Cl -0.099      
6 Cl -0.099      


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 -43.485 -3.311 0.000
y -3.311 -44.636 0.000
z 0.000 0.000 -41.245
Traceless
 xyz
x -0.545 -3.311 0.000
y -3.311 -2.270 0.000
z 0.000 0.000 2.815
Polar
3z2-r25.630
x2-y21.150
xy-3.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.419 1.621 0.000
y 1.621 5.545 0.000
z 0.000 0.000 0.525


<r2> (average value of r2) Å2
<r2> 259.908
(<r2>)1/2 16.122