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

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-636.361573
Energy at 298.15K-636.363861
HF Energy-635.777600
Nuclear repulsion energy148.640908
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 CCSD/6-31G*
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' 3329 3144 0.03      
2 A' 3229 3049 2.36      
3 A' 1764 1666 112.66      
4 A' 1445 1364 3.40      
5 A' 1253 1183 180.21      
6 A' 984 929 31.36      
7 A' 717 677 39.98      
8 A' 437 412 2.10      
9 A' 377 356 0.15      
10 A" 858 811 64.48      
11 A" 736 695 1.03      
12 A" 519 490 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7823.2 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 7387.4 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 CCSD/6-31G*
ABC
0.35315 0.16765 0.11368

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.451 0.000
C2 -0.998 1.326 0.000
F3 1.288 0.831 0.000
Cl4 -0.165 -1.266 0.000
H5 -0.778 2.388 0.000
H6 -2.028 0.993 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32761.34291.72502.08802.0993
C21.32762.33912.72331.08441.0826
F31.34292.33912.55122.58753.3200
Cl41.72502.72332.55123.70582.9289
H52.08801.08442.58753.70581.8730
H62.09931.08263.32002.92891.8730

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 119.571 C1 C2 H6 120.819
C2 C1 F3 122.298 C2 C1 Cl4 125.785
F3 C1 Cl4 111.917 H5 C2 H6 119.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability