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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-636.445372
Energy at 298.15K-636.447427
HF Energy-635.822952
Nuclear repulsion energy138.926144
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/aug-cc-pVDZ
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' 3280 3145 0.87      
2 A' 3272 3138 13.73      
3 A' 1688 1619 21.43      
4 A' 1312 1258 0.56      
5 A' 1229 1178 4.54      
6 A' 1117 1071 176.33      
7 A' 889 853 49.26      
8 A' 448 430 1.76      
9 A' 269 258 6.26      
10 A" 904 867 60.70      
11 A" 781 749 5.04      
12 A" 270 259 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 7729.4 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 7412.5 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 MP2/aug-cc-pVDZ
ABC
1.75635 0.08084 0.07728

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 1.020 -0.384 0.000
Cl3 -1.643 -0.079 0.000
F4 2.303 0.069 0.000
H5 0.136 1.570 0.000
H6 0.936 -1.472 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34251.73782.34121.09032.1719
C21.34252.68001.36112.14511.0905
Cl31.73782.68003.94862.42572.9302
F42.34121.36113.94862.63602.0603
H51.09032.14512.42572.63603.1450
H62.17191.09052.93022.06033.1450

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 119.979 C1 C2 H6 126.110
C2 C1 Cl3 120.388 C2 C1 H5 123.369
Cl3 C1 H5 116.242 F4 C2 H6 113.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability