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

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-1195.699646
Energy at 298.15K-1195.700165
HF Energy-1195.409672
Nuclear repulsion energy348.922394
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 B2PLYP/6-31+G**
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 1773 1689 0.00      
2 Ag 1194 1138 0.00      
3 Ag 639 609 0.00      
4 Ag 429 409 0.00      
5 Ag 292 278 0.00      
6 Au 360 343 1.04      
7 Au 133 126 0.41      
8 Bg 537 511 0.00      
9 Bu 1212 1155 322.30      
10 Bu 898 855 186.41      
11 Bu 427 407 3.71      
12 Bu 177 169 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 4035.6 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 3843.5 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 B2PLYP/6-31+G**
ABC
0.14193 0.04985 0.03689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.055 0.666 0.000
C2 0.055 -0.666 0.000
F3 -1.262 1.250 0.000
F4 1.262 -1.250 0.000
Cl5 1.262 1.754 0.000
Cl6 -1.262 -1.754 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33571.34092.32401.70782.7037
C21.33572.32401.34092.70371.7078
F31.34092.32403.55152.57313.0034
F42.32401.34093.55153.00342.5731
Cl51.70782.70372.57313.00344.3208
Cl62.70371.70783.00342.57314.3208

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 120.517 C1 C2 Cl6 124.887
C2 C1 F3 120.517 C2 C1 Cl5 124.887
F3 C1 Cl5 114.596 F4 C2 Cl6 114.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 C 0.100      
3 F -0.267      
4 F -0.267      
5 Cl 0.167      
6 Cl 0.167      


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 -46.775 3.064 0.000
y 3.064 -46.078 0.000
z 0.000 0.000 -45.905
Traceless
 xyz
x -0.783 3.064 0.000
y 3.064 0.262 0.000
z 0.000 0.000 0.521
Polar
3z2-r21.043
x2-y2-0.697
xy3.064
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.590 2.047 0.000
y 2.047 9.711 0.000
z 0.000 0.000 4.392


<r2> (average value of r2) Å2
<r2> 249.694
(<r2>)1/2 15.802