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All results from a given calculation for CH2CHF (Ethene, fluoro-)

using model chemistry: CCSD(T)/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/cc-pVQZ
 hartrees
Energy at 0K-177.625776
Energy at 298.15K 
HF Energy-176.967143
Nuclear repulsion energy67.549410
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 CCSD(T)/cc-pVQZ
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' 3284 3184        
2 A' 3221 3124        
3 A' 3180 3084        
4 A' 1701 1649        
5 A' 1418 1375        
6 A' 1333 1293        
7 A' 1180 1144        
8 A' 943 914        
9 A' 481 466        
10 A" 954 925        
11 A" 873 846        
12 A" 725 703        

Unscaled Zero Point Vibrational Energy (zpe) 9646.0 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 9353.7 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 CCSD(T)/cc-pVQZ
ABC
2.17469 0.35480 0.30503

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.436 0.000
C2 1.186 -0.155 0.000
F3 -1.144 -0.268 0.000
H4 -0.175 1.502 0.000
H5 1.277 -1.231 0.000
H6 2.074 0.458 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32521.34281.08092.10042.0741
C21.32522.33242.14491.08001.0790
F31.34282.33242.01812.60583.2984
H41.08092.14492.01813.09582.4798
H52.10041.08002.60583.09581.8675
H62.07411.07903.29842.47981.8675

picture of Ethene, fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.348 C1 C2 H6 118.884
C2 C1 F3 121.902 C2 C1 H4 125.807
F3 C1 H4 112.291 H5 C2 H6 119.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability