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

using model chemistry: QCISD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-177.562553
Energy at 298.15K 
HF Energy-176.956376
Nuclear repulsion energy67.559691
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/aug-cc-pVTZ
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' 3292 3168 1.58      
2 A' 3239 3117 4.40      
3 A' 3192 3072 0.79      
4 A' 1726 1661 99.52      
5 A' 1429 1376 6.27      
6 A' 1343 1292 1.63      
7 A' 1187 1142 94.13      
8 A' 950 914 40.50      
9 A' 485 466 4.19      
10 A" 965 929 38.95      
11 A" 895 861 38.38      
12 A" 731 703 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 9715.5 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 9350.2 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/aug-cc-pVTZ
ABC
2.17622 0.35491 0.30515

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.436 0.000
C2 1.186 -0.152 0.000
F3 -1.143 -0.271 0.000
H4 -0.180 1.501 0.000
H5 1.282 -1.227 0.000
H6 2.072 0.462 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32321.34421.08032.09982.0727
C21.32322.33172.14411.07971.0788
F31.34422.33172.01692.60673.2982
H41.08032.14412.01693.09542.4808
H52.09981.07972.60673.09541.8653
H62.07271.07883.29822.48081.8653

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 121.495 C1 C2 H6 118.936
C2 C1 F3 121.887 C2 C1 H4 125.980
F3 C1 H4 112.133 H5 C2 H6 119.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability