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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-636.456316
Energy at 298.15K-636.458545
HF Energy-635.809815
Nuclear repulsion energy143.953787
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 QCISD(T)=FULL/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' 3260 3126        
2 A' 3231 3099        
3 A' 1719 1649        
4 A' 1359 1303        
5 A' 1255 1204        
6 A' 1078 1034        
7 A' 814 781        
8 A' 658 631        
9 A' 194 186        
10 A" 864 829        
11 A" 749 719        
12 A" 444 425        

Unscaled Zero Point Vibrational Energy (zpe) 7812.7 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 7492.4 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.54188 0.12124 0.09907

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.878 0.000
C2 1.262 0.415 0.000
Cl3 -1.390 -0.163 0.000
F4 1.569 -0.891 0.000
H5 -0.196 1.953 0.000
H6 2.132 1.081 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.34481.73682.36411.09292.1417
C21.34482.71471.34082.12011.0953
Cl31.73682.71473.04672.43013.7353
F42.36411.34083.04673.34702.0502
H51.09292.12012.43013.34702.4864
H62.14171.09533.73532.05022.4864

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 123.355 C1 C2 H6 122.403
C2 C1 Cl3 123.004 C2 C1 H5 120.489
Cl3 C1 H5 116.507 F4 C2 H6 114.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability