return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2ClF3 (Ethene, chlorotrifluoro-)

using model chemistry: PBEPBEultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-835.496186
Energy at 298.15K 
HF Energy-835.496186
Nuclear repulsion energy292.278711
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 PBEPBEultrafine/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 1772 1760 53.98 16.83 0.34 0.51
2 A' 1287 1278 178.80 0.23 0.48 0.65
3 A' 1177 1168 197.08 0.33 0.26 0.41
4 A' 1027 1020 223.79 4.49 0.21 0.34
5 A' 679 674 3.88 8.78 0.09 0.17
6 A' 501 497 0.88 1.32 0.69 0.82
7 A' 447 444 0.30 2.80 0.34 0.51
8 A' 330 328 1.08 2.55 0.60 0.75
9 A' 183 181 2.20 0.59 0.61 0.76
10 A" 527 524 1.28 9.09 0.75 0.86
11 A" 365 362 0.22 0.31 0.75 0.86
12 A" 162 161 0.05 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4227.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 4198.7 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 PBEPBEultrafine/cc-pVTZ
ABC
0.14748 0.07450 0.04950

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.685 -0.670 0.000
C2 0.000 0.479 0.000
F3 -2.010 -0.726 0.000
F4 -0.122 -1.869 0.000
F5 -0.643 1.654 0.000
Cl6 1.711 0.566 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 Cl6
C11.33741.32641.32412.32452.6959
C21.33742.34372.35041.33991.7133
F31.32642.34372.20652.74503.9391
F41.32412.35042.20653.56103.0473
F52.32451.33992.74503.56102.5938
Cl62.69591.71333.93913.04732.5938

picture of Ethene, chlorotrifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.503 C1 C2 Cl6 123.715
C2 C1 F3 123.246 C2 C1 F4 124.041
F3 C1 F4 112.713 F5 C2 Cl6 115.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.290      
2 C 0.035      
3 F -0.095      
4 F -0.091      
5 F -0.105      
6 Cl -0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.251 -0.199 0.000 0.320
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.647 0.428 0.000
y 0.428 -39.334 0.000
z 0.000 0.000 -37.382
Traceless
 xyz
x 0.711 0.428 0.000
y 0.428 -1.819 0.000
z 0.000 0.000 1.108
Polar
3z2-r22.216
x2-y21.687
xy0.428
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.305 0.998 0.000
y 0.998 5.968 0.000
z 0.000 0.000 3.369


<r2> (average value of r2) Å2
<r2> 186.927
(<r2>)1/2 13.672