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

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-636.498580
Energy at 298.15K-636.500893
HF Energy-635.849748
Nuclear repulsion energy148.992437
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 QCISD/6-311G**
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' 3316 3163 0.08      
2 A' 3209 3061 2.53      
3 A' 1738 1659 130.57      
4 A' 1432 1366 4.60      
5 A' 1233 1177 193.11      
6 A' 977 932 35.49      
7 A' 714 681 43.06      
8 A' 438 418 2.14      
9 A' 378 361 0.06      
10 A" 857 817 59.85      
11 A" 733 699 0.37      
12 A" 523 499 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 7773.3 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 7416.5 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 QCISD/6-311G**
ABC
0.35485 0.16835 0.11418

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 -1.020 1.304 0.000
F3 1.270 0.852 0.000
Cl4 -0.144 -1.266 0.000
H5 -0.820 2.369 0.000
H6 -2.039 0.944 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32881.33151.72472.08462.0976
C21.32882.33432.71551.08341.0810
F31.33152.33432.54702.58263.3106
Cl41.72472.71552.54703.69752.9114
H52.08461.08342.58263.69751.8754
H62.09761.08103.31062.91141.8754

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 119.228 C1 C2 H6 120.679
C2 C1 F3 122.674 C2 C1 Cl4 125.067
F3 C1 Cl4 112.260 H5 C2 H6 120.094
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability