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

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-636.750747
Energy at 298.15K-636.753089
HF Energy-635.889909
Nuclear repulsion energy150.142160
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 MP2=FULL/aug-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' 3335 3173 1.52      
2 A' 3247 3090 5.77      
3 A' 1722 1639 143.42      
4 A' 1421 1352 2.17      
5 A' 1218 1159 181.41      
6 A' 971 924 40.53      
7 A' 719 684 38.68      
8 A' 440 419 1.87      
9 A' 377 358 0.01      
10 A" 867 825 56.24      
11 A" 738 702 0.24      
12 A" 551 524 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 7803.8 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 7424.5 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 MP2=FULL/aug-cc-pVTZ
ABC
0.35910 0.17142 0.11603

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.446 0.000
C2 -0.998 1.309 0.000
F3 1.273 0.827 0.000
Cl4 -0.157 -1.253 0.000
H5 -0.783 2.362 0.000
H6 -2.008 0.951 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31971.32861.70602.06912.0705
C21.31972.32172.69641.07401.0713
F31.32862.32172.52412.56503.2831
Cl41.70602.69642.52413.66782.8778
H52.06911.07402.56503.66781.8681
H62.07051.07133.28312.87781.8681

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 119.274 C1 C2 H6 119.626
C2 C1 F3 122.483 C2 C1 Cl4 125.555
F3 C1 Cl4 111.962 H5 C2 H6 121.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability