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

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 2A'
Energy calculated at QCISD/3-21G
 hartrees
Energy at 0K-535.128094
Energy at 298.15K-535.131653
HF Energy-534.884972
Nuclear repulsion energy89.924900
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' 3143 3046 2.79      
2 A' 3132 3035 5.41      
3 A' 1557 1509 1.48      
4 A' 1526 1479 4.83      
5 A' 1209 1172 4.26      
6 A' 1069 1036 6.19      
7 A' 707 685 63.90      
8 A' 373 362 23.83      
9 A' 283 274 13.84      
10 A" 3248 3148 5.48      
11 A" 3204 3105 0.36      
12 A" 1290 1250 0.04      
13 A" 1038 1006 0.27      
14 A" 809 784 3.24      
15 A" 328 318 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 11458.0 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 11105.0 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 QCISD/3-21G
ABC
1.01498 0.17225 0.15663

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 -1.454 0.929 0.000
C2 0.000 0.988 0.000
Cl3 0.694 -0.933 0.000
H4 -1.997 0.802 0.933
H5 -1.997 0.802 -0.933
H6 0.460 1.374 -0.910
H7 0.460 1.374 0.910

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.45512.84241.08731.08732.16562.1656
C21.45512.04262.21262.21261.08991.0899
Cl32.84242.04263.33563.33562.49072.4907
H41.08732.21263.33561.86643.12462.5236
H51.08732.21263.33561.86642.52363.1246
H62.16561.08992.49073.12462.52361.8191
H72.16561.08992.49072.52363.12461.8191

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 107.519 C1 C2 H6 115.880
C1 C2 H7 115.880 C2 C1 H4 120.282
C2 C1 H5 120.282 Cl3 C2 H6 100.915
Cl3 C2 H7 100.915 H4 C1 H5 118.238
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability