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

using model chemistry: QCISD(T)/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 QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-538.149640
Energy at 298.15K-538.153232
HF Energy-537.568040
Nuclear repulsion energy94.041630
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(T)/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' 3157 3052        
2 A' 3103 3000        
3 A' 1512 1461        
4 A' 1471 1422        
5 A' 1258 1216        
6 A' 1094 1058        
7 A' 664 642        
8 A' 577 558        
9 A' 301 291        
10 A" 3267 3158        
11 A" 3167 3062        
12 A" 1266 1224        
13 A" 1067 1032        
14 A" 780 754        
15 A" 216 209        

Unscaled Zero Point Vibrational Energy (zpe) 11448.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 11068.7 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(T)/aug-cc-pVTZ
ABC
1.08185 0.19158 0.17403

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.469 0.808 0.000
C2 0.000 0.876 0.000
Cl3 0.706 -0.831 0.000
H4 -2.003 0.669 0.930
H5 -2.003 0.669 -0.930
H6 0.408 1.341 -0.894
H7 0.408 1.341 0.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47032.72351.08151.08152.14582.1458
C21.47031.84712.21832.21831.08701.0870
Cl32.72351.84713.23373.23372.36762.3676
H41.08152.21833.23371.85973.09692.5034
H51.08152.21833.23371.85972.50343.0969
H62.14581.08702.36763.09692.50341.7874
H72.14581.08702.36762.50343.09691.7874

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 109.848 C1 C2 H6 113.237
C1 C2 H7 113.237 C2 C1 H4 119.979
C2 C1 H5 119.979 Cl3 C2 H6 104.599
Cl3 C2 H7 104.599 H4 C1 H5 118.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability