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

using model chemistry: QCISD/3-21G*

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/3-21G*
 hartrees
Energy at 0K-176.239455
Energy at 298.15K 
HF Energy-175.918203
Nuclear repulsion energy66.265373
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/3-21G*
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' 3255 3128 5.01      
2 A' 3199 3075 10.59      
3 A' 3164 3041 1.04      
4 A' 1712 1646 52.01      
5 A' 1495 1437 3.02      
6 A' 1382 1328 0.37      
7 A' 1186 1140 42.32      
8 A' 957 919 23.94      
9 A' 478 459 4.29      
10 A" 991 953 31.42      
11 A" 923 887 57.59      
12 A" 727 699 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 9734.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9355.6 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/3-21G*
ABC
2.14933 0.33796 0.29204

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.441 0.000
C2 1.211 -0.116 0.000
F3 -1.169 -0.309 0.000
H4 -0.187 1.511 0.000
H5 1.344 -1.194 0.000
H6 2.098 0.512 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.33311.38881.08632.11612.0988
C21.33312.38832.14501.08641.0859
F31.38882.38832.06782.66423.3682
H41.08632.14502.06783.10802.4934
H52.11611.08642.66423.10801.8650
H62.09881.08593.36822.49341.8650

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 121.671 C1 C2 H6 120.022
C2 C1 F3 122.662 C2 C1 H4 124.583
F3 C1 H4 112.754 H5 C2 H6 118.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability