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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-535.320021
Energy at 298.15K-535.323610
HF Energy-534.986170
Nuclear repulsion energy92.689364
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' 3140 3018 4.29      
2 A' 3102 2981 10.49      
3 A' 1556 1495 3.77      
4 A' 1521 1462 1.77      
5 A' 1301 1250 11.65      
6 A' 1037 997 5.80      
7 A' 649 624 85.77      
8 A' 529 508 18.92      
9 A' 313 301 12.03      
10 A" 3247 3121 6.75      
11 A" 3162 3039 2.37      
12 A" 1308 1258 0.10      
13 A" 1094 1052 0.62      
14 A" 809 777 2.80      
15 A" 236 226 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 11501.7 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 11054.3 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
1.05871 0.18531 0.16838

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 -1.487 0.832 0.000
C2 0.000 0.893 0.000
Cl3 0.715 -0.849 0.000
H4 -2.023 0.685 0.934
H5 -2.023 0.685 -0.934
H6 0.409 1.360 -0.899
H7 0.409 1.360 0.899

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48792.76971.08741.08742.16362.1636
C21.48791.88322.23802.23801.09261.0926
Cl32.76971.88323.27423.27422.40522.4052
H41.08742.23803.27421.86893.11962.5242
H51.08742.23803.27421.86892.52423.1196
H62.16361.09262.40523.11962.52421.7979
H72.16361.09262.40522.52423.11961.7979

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 109.938 C1 C2 H6 113.050
C1 C2 H7 113.050 C2 C1 H4 119.887
C2 C1 H5 119.887 Cl3 C2 H6 104.705
Cl3 C2 H7 104.705 H4 C1 H5 118.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability