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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: MP3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-636.510761
Energy at 298.15K-636.513065
HF Energy-635.870882
Nuclear repulsion energy149.190063
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 MP3/TZVP
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' 3360 3142 0.08      
2 A' 3253 3042 3.34      
3 A' 1761 1647 142.27      
4 A' 1450 1356 4.53      
5 A' 1243 1163 200.29      
6 A' 986 922 37.18      
7 A' 715 668 43.13      
8 A' 443 415 1.78      
9 A' 381 357 0.14      
10 A" 809 757 60.18      
11 A" 733 686 0.15      
12 A" 513 480 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 7823.4 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 7316.5 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 MP3/TZVP
ABC
0.35886 0.16781 0.11434

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 -1.003 1.313 0.000
F3 1.270 0.844 0.000
Cl4 -0.153 -1.268 0.000
H5 -0.795 2.371 0.000
H6 -2.020 0.965 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31941.32801.73032.07352.0835
C21.31942.32092.71731.07791.0754
F31.32802.32092.54612.56853.2926
Cl41.73032.71732.54613.69482.9107
H52.07351.07792.56853.69481.8650
H62.08351.07543.29262.91071.8650

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 119.412 C1 C2 H6 120.571
C2 C1 F3 122.491 C2 C1 Cl4 125.462
F3 C1 Cl4 112.047 H5 C2 H6 120.017
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability