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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-636.350960
Energy at 298.15K-636.353242
HF Energy-635.777027
Nuclear repulsion energy145.078605
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 MP3/6-31G*
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' 3317 3113 7.58      
2 A' 3286 3085 3.51      
3 A' 1785 1676 45.99      
4 A' 1416 1329 24.02      
5 A' 1302 1222 24.32      
6 A' 1122 1053 83.32      
7 A' 845 793 16.75      
8 A' 675 633 19.99      
9 A' 204 191 1.61      
10 A" 893 838 0.25      
11 A" 779 731 40.10      
12 A" 457 429 8.54      

Unscaled Zero Point Vibrational Energy (zpe) 8040.4 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 7546.7 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 MP3/6-31G*
ABC
0.54586 0.12380 0.10091

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.872 0.000
C2 1.250 0.425 0.000
Cl3 -1.375 -0.167 0.000
F4 1.553 -0.883 0.000
H5 -0.211 1.933 0.000
H6 2.120 1.072 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32781.72422.34331.08112.1290
C21.32782.69161.34252.09941.0834
Cl31.72422.69163.01412.40133.7081
F42.34331.34253.01413.32222.0350
H51.08112.09942.40133.32222.4846
H62.12901.08343.70812.03502.4846

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 122.702 C1 C2 H6 123.685
C2 C1 Cl3 123.229 C2 C1 H5 120.937
Cl3 C1 H5 115.834 F4 C2 H6 113.613
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability