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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-628.680744
Energy at 298.15K-628.682652
HF Energy-628.529776
Nuclear repulsion energy136.296482
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/STO-3G
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' 3533 3140 13.00      
2 A' 3479 3092 8.42      
3 A' 1799 1599 5.67      
4 A' 1407 1250 2.27      
5 A' 1329 1182 37.33      
6 A' 1266 1126 17.39      
7 A' 955 849 19.90      
8 A' 460 409 1.10      
9 A' 265 236 4.83      
10 A" 1029 914 20.60      
11 A" 787 700 4.54      
12 A" 273 243 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 8290.5 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 7369.4 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=FULL/STO-3G
ABC
1.73886 0.07723 0.07395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.503 0.000
C2 1.061 -0.346 0.000
Cl3 -1.680 -0.121 0.000
F4 2.351 0.108 0.000
H5 0.097 1.599 0.000
H6 0.934 -1.447 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.35881.79192.38381.10072.1619
C21.35882.75051.36682.17071.1086
Cl31.79192.75054.03722.47322.9311
F42.38381.36684.03722.70252.1032
H51.10072.17072.47322.70253.1590
H62.16191.10862.93112.10323.1590

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 121.995 C1 C2 H6 122.046
C2 C1 Cl3 120.995 C2 C1 H5 123.569
Cl3 C1 H5 115.436 F4 C2 H6 115.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability