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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-538.032626
Energy at 298.15K-538.036253
HF Energy-537.514634
Nuclear repulsion energy94.236131
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 CCSD/6-31G(2df,p)
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' 3208 3034 2.40      
2 A' 3152 2980 10.83      
3 A' 1526 1443 0.84      
4 A' 1487 1406 1.77      
5 A' 1287 1217 18.63      
6 A' 1102 1042 7.17      
7 A' 680 643 93.23      
8 A' 603 570 2.84      
9 A' 310 293 10.67      
10 A" 3321 3140 2.80      
11 A" 3217 3042 2.00      
12 A" 1282 1212 0.16      
13 A" 1085 1026 0.83      
14 A" 788 745 1.15      
15 A" 217 205 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 11633.2 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 10999.2 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 CCSD/6-31G(2df,p)
ABC
1.09032 0.19204 0.17456

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.474 0.806 0.000
C2 0.000 0.865 0.000
Cl3 0.709 -0.825 0.000
H4 -2.009 0.657 0.929
H5 -2.009 0.657 -0.929
H6 0.403 1.342 -0.890
H7 0.403 1.342 0.890

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47562.72511.08171.08172.14622.1462
C21.47561.83192.22272.22271.08771.0877
Cl32.72511.83193.23163.23162.36212.3621
H41.08172.22273.23161.85753.09772.5077
H51.08172.22273.23161.85752.50773.0977
H62.14621.08772.36213.09772.50771.7805
H72.14621.08772.36212.50773.09771.7805

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 110.490 C1 C2 H6 112.832
C1 C2 H7 112.832 C2 C1 H4 119.927
C2 C1 H5 119.927 Cl3 C2 H6 105.133
Cl3 C2 H7 105.133 H4 C1 H5 118.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability