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All results from a given calculation for CH2CH2Cl (2-chloroethyl radical)

using model chemistry: MP4/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-538.148310
Energy at 298.15K-538.151916
HF Energy-537.568105
Nuclear repulsion energy94.145252
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 MP4/aug-cc-pVTZ
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' 3169 3084        
2 A' 3101 3017        
3 A' 1511 1471        
4 A' 1474 1435        
5 A' 1263 1229        
6 A' 1096 1067        
7 A' 671 653        
8 A' 594 578        
9 A' 303 295        
10 A" 3282 3194        
11 A" 3167 3082        
12 A" 1268 1234        
13 A" 1069 1041        
14 A" 781 760        
15 A" 214 208        

Unscaled Zero Point Vibrational Energy (zpe) 11480.7 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 11173.0 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 MP4/aug-cc-pVTZ
ABC
1.08542 0.19192 0.17438

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.470 0.806 0.000
C2 0.000 0.872 0.000
Cl3 0.707 -0.828 0.000
H4 -2.005 0.668 0.929
H5 -2.005 0.668 -0.929
H6 0.406 1.340 -0.893
H7 0.406 1.340 0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47172.72231.08091.08092.14582.1458
C21.47171.84102.21892.21891.08741.0874
Cl32.72231.84103.23353.23352.36462.3646
H41.08092.21893.23351.85883.09612.5032
H51.08092.21893.23351.85882.50323.0961
H62.14581.08742.36463.09612.50321.7860
H72.14581.08742.36462.50323.09611.7860

picture of 2-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 110.028 C1 C2 H6 113.110
C1 C2 H7 113.110 C2 C1 H4 119.973
C2 C1 H5 119.973 Cl3 C2 H6 104.755
Cl3 C2 H7 104.755 H4 C1 H5 118.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability