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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-636.669491
Energy at 298.15K-636.671781
HF Energy-635.885066
Nuclear repulsion energy145.328018
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/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' 3275 3129 6.92      
2 A' 3243 3099 5.19      
3 A' 1748 1670 57.74      
4 A' 1384 1322 23.67      
5 A' 1278 1221 36.70      
6 A' 1100 1051 79.38      
7 A' 826 789 15.19      
8 A' 669 639 20.71      
9 A' 199 190 1.44      
10 A" 907 867 0.18      
11 A" 773 738 40.72      
12 A" 459 438 7.18      

Unscaled Zero Point Vibrational Energy (zpe) 7929.7 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 7576.8 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/cc-pVTZ
ABC
0.55394 0.12330 0.10085

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.866 0.000
C2 1.248 0.421 0.000
Cl3 -1.378 -0.169 0.000
F4 1.560 -0.873 0.000
H5 -0.200 1.924 0.000
H6 2.105 1.078 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32551.72412.33611.07642.1153
C21.32552.69241.33062.08761.0792
Cl31.72412.69243.02142.40203.6997
F42.33611.33063.02143.30452.0254
H51.07642.08762.40203.30452.4553
H62.11531.07923.69972.02542.4553

picture of (Z)-1-Chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 123.166 C1 C2 H6 122.866
C2 C1 Cl3 123.453 C2 C1 H5 120.359
Cl3 C1 H5 116.188 F4 C2 H6 113.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability