return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-177.362619
Energy at 298.15K 
HF Energy-176.895887
Nuclear repulsion energy67.143483
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 CCD/6-31+G**
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' 3361 3167 2.86      
2 A' 3308 3117 6.18      
3 A' 3256 3068 0.39      
4 A' 1758 1656 86.61      
5 A' 1458 1374 7.58      
6 A' 1361 1283 0.39      
7 A' 1188 1120 94.55      
8 A' 955 900 45.17      
9 A' 485 457 4.75      
10 A" 961 906 48.63      
11 A" 878 827 44.48      
12 A" 723 681 2.48      

Unscaled Zero Point Vibrational Energy (zpe) 9846.0 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9277.9 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 CCD/6-31+G**
ABC
2.14177 0.35089 0.30150

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
C2 1.192 -0.140 0.000
F3 -1.148 -0.288 0.000
H4 -0.200 1.505 0.000
H5 1.296 -1.214 0.000
H6 2.080 0.474 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32731.36101.08002.10402.0798
C21.32732.34462.15491.07941.0789
F31.36102.34462.02772.61293.3160
H41.08002.15492.02773.10332.5020
H52.10401.07942.61293.10331.8614
H62.07981.07893.31602.50201.8614

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 121.562 C1 C2 H6 119.256
C2 C1 F3 121.415 C2 C1 H4 126.758
F3 C1 H4 111.827 H5 C2 H6 119.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability