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

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-177.461770
Energy at 298.15K 
HF Energy-176.952625
Nuclear repulsion energy67.464157
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/TZVP
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' 3311 3163 3.29      
2 A' 3255 3109 7.23      
3 A' 3209 3066 0.46      
4 A' 1731 1654 90.47      
5 A' 1445 1381 5.28      
6 A' 1362 1301 2.40      
7 A' 1188 1135 97.55      
8 A' 950 908 40.18      
9 A' 489 468 4.42      
10 A" 952 910 44.96      
11 A" 805 769 38.24      
12 A" 718 686 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 9707.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 9273.1 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/TZVP
ABC
2.16723 0.35413 0.30439

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.438 0.000
C2 1.186 -0.148 0.000
F3 -1.144 -0.275 0.000
H4 -0.186 1.503 0.000
H5 1.284 -1.225 0.000
H6 2.077 0.462 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32351.34801.08142.10072.0772
C21.32352.33382.14731.08061.0797
F31.34802.33382.02022.60703.3042
H41.08142.14732.02023.09862.4909
H52.10071.08062.60703.09861.8637
H62.07721.07973.30422.49091.8637

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 121.483 C1 C2 H6 119.277
C2 C1 F3 121.757 C2 C1 H4 126.186
F3 C1 H4 112.057 H5 C2 H6 119.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability