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All results from a given calculation for CHClCH3 (1-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 C1 2A
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-535.324155
Energy at 298.15K-535.327641
HF Energy-534.989130
Nuclear repulsion energy93.674349
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 3208 3083 6.51      
2 A 3097 2976 10.57      
3 A 3059 2940 13.35      
4 A 2993 2876 13.36      
5 A 1566 1505 3.75      
6 A 1550 1489 8.67      
7 A 1479 1421 6.06      
8 A 1344 1292 34.92      
9 A 1121 1078 4.33      
10 A 1068 1026 1.75      
11 A 1035 995 16.94      
12 A 702 675 25.09      
13 A 401 385 27.07      
14 A 328 315 9.86      
15 A 160 153 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 11554.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 11104.9 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
1.36701 0.17989 0.16420

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.452 0.615 -0.073
C2 1.669 -0.273 0.010
Cl3 -1.126 -0.131 0.006
H4 0.470 1.669 0.185
H5 1.598 -1.095 -0.717
H6 2.570 0.317 -0.209
H7 1.781 -0.719 1.014

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.50911.74691.08532.15662.14302.1739
C21.50912.79892.28891.09961.09901.1041
Cl31.74692.79892.41212.97863.72913.1326
H41.08532.28892.41213.11812.52782.8468
H52.15661.09962.97863.11811.78791.7814
H62.14301.09903.72912.52781.78791.7866
H72.17391.10413.13262.84681.78141.7866

picture of 1-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.538 C1 C2 H6 109.507
C1 C2 H7 111.654 C2 C1 Cl3 118.367
C2 C1 H4 122.998 H5 C2 H6 108.818
H5 C2 H7 107.869 H6 C2 H7 108.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability