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All results from a given calculation for C2H3Cl (Ethene, chloro-)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-534.735333
Energy at 298.15K-534.738116
HF Energy-534.422278
Nuclear repulsion energy88.017044
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 MP2/3-21G*
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' 3292 3131 2.92      
2 A' 3260 3101 2.91      
3 A' 3197 3041 0.00      
4 A' 1659 1579 33.42      
5 A' 1488 1415 11.21      
6 A' 1371 1304 9.68      
7 A' 1109 1055 15.51      
8 A' 698 664 34.79      
9 A' 414 394 0.44      
10 A" 1008 959 50.22      
11 A" 960 914 35.63      
12 A" 649 618 11.52      

Unscaled Zero Point Vibrational Energy (zpe) 9552.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 9087.2 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 MP2/3-21G*
ABC
1.88020 0.19642 0.17784

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.773 0.000
C2 1.308 1.040 0.000
Cl3 -0.634 -0.866 0.000
H4 -0.776 1.527 0.000
H5 2.059 0.257 0.000
H6 1.651 2.069 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6
C11.33521.75751.08202.12212.0989
C21.33522.72142.14021.08411.0848
Cl31.75752.72142.39762.91783.7199
H41.08202.14022.39763.10582.4863
H52.12211.08412.91783.10581.8571
H62.09891.08483.71992.48631.8571

picture of Ethene, chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 122.265 C1 C2 H6 119.938
C2 C1 Cl3 122.686 C2 C1 H4 124.271
Cl3 C1 H4 113.043 H5 C2 H6 117.797
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability