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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-1190.230255
Energy at 298.15K-1190.230465
HF Energy-1190.230255
Nuclear repulsion energy337.539945
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 BLYP/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 Ag 1746 1736 0.00      
2 Ag 1103 1097 0.00      
3 Ag 589 586 0.00      
4 Ag 366 364 0.00      
5 Ag 260 258 0.00      
6 Au 344 342 0.50      
7 Au 125 124 0.02      
8 Bg 529 526 0.00      
9 Bu 1228 1221 200.13      
10 Bu 730 726 186.48      
11 Bu 369 367 0.15      
12 Bu 160 160 4.05      

Unscaled Zero Point Vibrational Energy (zpe) 3774.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3753.4 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 BLYP/3-21G
ABC
0.13123 0.04719 0.03471

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.109 0.657 0.000
C2 0.109 -0.657 0.000
F3 -1.331 1.246 0.000
F4 1.331 -1.246 0.000
Cl5 1.331 1.794 0.000
Cl6 -1.331 -1.794 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33121.35612.38631.83492.7375
C21.33122.38631.35612.73751.8349
F31.35612.38633.64622.71703.0397
F42.38631.35613.64623.03972.7170
Cl51.83492.73752.71703.03974.4664
Cl62.73751.83493.03972.71704.4664

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 125.245 C1 C2 Cl6 118.823
C2 C1 F3 125.245 C2 C1 Cl5 118.823
F3 C1 Cl5 115.932 F4 C2 Cl6 115.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.058      
2 C 0.058      
3 F -0.178      
4 F -0.178      
5 Cl 0.120      
6 Cl 0.120      


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 -46.554 0.013 0.000
y 0.013 -47.259 0.000
z 0.000 0.000 -45.857
Traceless
 xyz
x 0.004 0.013 0.000
y 0.013 -1.053 0.000
z 0.000 0.000 1.049
Polar
3z2-r22.098
x2-y20.705
xy0.013
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.047 2.746 0.000
y 2.746 8.394 0.000
z 0.000 0.000 1.850


<r2> (average value of r2) Å2
<r2> 263.787
(<r2>)1/2 16.242