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

using model chemistry: MP4/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 MP4/cc-pVDZ
 hartrees
Energy at 0K-636.443388
Energy at 298.15K-636.445437
HF Energy-635.808747
Nuclear repulsion energy138.825366
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 MP4/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' 3252 3144        
2 A' 3242 3135        
3 A' 1696 1640        
4 A' 1311 1267        
5 A' 1224 1183        
6 A' 1152 1114        
7 A' 884 855        
8 A' 447 432        
9 A' 267 258        
10 A" 915 885        
11 A" 774 748        
12 A" 271 262        

Unscaled Zero Point Vibrational Energy (zpe) 7717.3 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 7461.9 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 MP4/cc-pVDZ
ABC
1.76876 0.08050 0.07700

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.488 0.000
C2 1.031 -0.379 0.000
Cl3 -1.647 -0.079 0.000
F4 2.304 0.065 0.000
H5 0.143 1.573 0.000
H6 0.935 -1.470 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34641.74182.34281.09432.1696
C21.34642.69441.34882.14371.0956
Cl31.74182.69443.95412.43562.9331
F42.34281.34883.95412.63542.0569
H51.09432.14372.43562.63543.1441
H62.16961.09562.93312.05693.1441

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 120.753 C1 C2 H6 125.052
C2 C1 Cl3 120.965 C2 C1 H5 122.544
Cl3 C1 H5 116.490 F4 C2 H6 114.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability