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

using model chemistry: QCISD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-177.328903
Energy at 298.15K 
HF Energy-176.880293
Nuclear repulsion energy67.090046
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/6-31G*
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' 3306 3148 4.34      
2 A' 3246 3092 10.22      
3 A' 3209 3056 0.81      
4 A' 1751 1667 76.47      
5 A' 1455 1385 5.01      
6 A' 1358 1293 0.79      
7 A' 1197 1140 82.46      
8 A' 959 913 32.70      
9 A' 484 461 4.38      
10 A" 965 919 34.61      
11 A" 868 827 44.07      
12 A" 729 694 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 9763.4 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9297.7 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 QCISD/6-31G*
ABC
2.14856 0.34991 0.30091

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.440 0.000
C2 1.193 -0.146 0.000
F3 -1.150 -0.279 0.000
H4 -0.190 1.510 0.000
H5 1.294 -1.227 0.000
H6 2.091 0.464 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32931.35691.08682.11032.0908
C21.32932.34742.15751.08561.0849
F31.35692.34742.03122.62183.3251
H41.08682.15752.03123.11332.5091
H52.11031.08562.62183.11331.8686
H62.09081.08493.32512.50911.8686

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 121.497 C1 C2 H6 119.668
C2 C1 F3 121.819 C2 C1 H4 126.208
F3 C1 H4 111.972 H5 C2 H6 118.834
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability