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All results from a given calculation for CHFCHCl ((E)-1-chloro-2-fluoroethene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-636.554990
Energy at 298.15K-636.557086
HF Energy-635.843930
Nuclear repulsion energy140.153614
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/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' 3275 3102 6.53      
2 A' 3267 3094 7.49      
3 A' 1717 1626 24.71      
4 A' 1340 1269 0.27      
5 A' 1270 1203 3.91      
6 A' 1172 1110 167.26      
7 A' 915 866 51.47      
8 A' 459 435 2.21      
9 A' 276 262 6.04      
10 A" 931 881 71.92      
11 A" 792 750 11.96      
12 A" 277 262 1.29      

Unscaled Zero Point Vibrational Energy (zpe) 7845.9 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 7430.8 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 MP2=FULL/6-311G*
ABC
1.81782 0.08193 0.07840

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 1.020 -0.378 0.000
Cl3 -1.633 -0.074 0.000
F4 2.284 0.064 0.000
H5 0.140 1.550 0.000
H6 0.934 -1.458 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33131.72312.32151.08162.1488
C21.33132.67011.33952.11911.0833
Cl31.72312.67013.91952.40402.9160
F42.32151.33953.91952.60852.0350
H51.08162.11912.40402.60853.1107
H62.14881.08332.91602.03503.1107

picture of (E)-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 120.735 C1 C2 H6 125.420
C2 C1 Cl3 121.365 C2 C1 H5 122.530
Cl3 C1 H5 116.105 F4 C2 H6 113.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability