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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-537.964779
Energy at 298.15K-537.968383
HF Energy-537.527187
Nuclear repulsion energy93.580940
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/cc-pVDZ
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' 3177 3048 4.30      
2 A' 3123 2996 17.29      
3 A' 1502 1441 0.25      
4 A' 1465 1405 1.72      
5 A' 1267 1216 19.78      
6 A' 1102 1058 6.96      
7 A' 667 640 86.37      
8 A' 591 567 2.60      
9 A' 306 294 10.87      
10 A" 3291 3158 5.25      
11 A" 3190 3061 5.28      
12 A" 1262 1211 0.08      
13 A" 1068 1024 0.95      
14 A" 778 747 0.87      
15 A" 217 208 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 11502.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11035.7 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/cc-pVDZ
ABC
1.07342 0.18967 0.17246

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.483 0.811 0.000
C2 0.000 0.869 0.000
Cl3 0.714 -0.829 0.000
H4 -2.023 0.653 0.940
H5 -2.023 0.653 -0.940
H6 0.405 1.355 -0.900
H7 0.405 1.355 0.900

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48442.74211.09561.09562.16142.1614
C21.48441.84172.24102.24101.10051.1005
Cl32.74211.84173.25103.25102.38252.3825
H41.09562.24103.25101.88073.12642.5274
H51.09562.24103.25101.88072.52743.1264
H62.16141.10052.38253.12642.52741.8008
H72.16141.10052.38252.52743.12641.8008

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 110.598 C1 C2 H6 112.622
C1 C2 H7 112.622 C2 C1 H4 119.835
C2 C1 H5 119.835 Cl3 C2 H6 105.351
Cl3 C2 H7 105.351 H4 C1 H5 118.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability