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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-636.465045
Energy at 298.15K-636.467145
HF Energy-635.847992
Nuclear repulsion energy140.122792
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 MP2/6-311G**
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' 3278 3115 7.08      
2 A' 3268 3105 7.19      
3 A' 1708 1623 24.13      
4 A' 1337 1271 0.24      
5 A' 1261 1199 5.66      
6 A' 1172 1114 166.70      
7 A' 914 869 50.88      
8 A' 458 435 2.15      
9 A' 275 261 6.00      
10 A" 936 889 64.59      
11 A" 791 752 11.44      
12 A" 276 262 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 7836.7 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 7446.4 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 MP2/6-311G**
ABC
1.81373 0.08193 0.07839

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.477 0.000
C2 1.021 -0.380 0.000
Cl3 -1.633 -0.074 0.000
F4 2.284 0.065 0.000
H5 0.142 1.549 0.000
H6 0.931 -1.459 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.33271.72332.32141.08132.1488
C21.33272.67071.33992.11981.0832
Cl31.72332.67073.91962.40502.9141
F42.32141.33993.91962.60662.0384
H51.08132.11982.40502.60663.1104
H62.14881.08322.91412.03843.1104

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 120.586 C1 C2 H6 125.292
C2 C1 Cl3 121.311 C2 C1 H5 122.495
Cl3 C1 H5 116.194 F4 C2 H6 114.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability