return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHClCH3 (1-chloroethyl radical)

using model chemistry: B2PLYP=FULLultrafine/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at B2PLYP=FULLultrafine/6-311G*
 hartrees
Energy at 0K-538.565034
Energy at 298.15K 
HF Energy-538.409989
Nuclear repulsion energy94.686810
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 B2PLYP=FULLultrafine/6-311G*
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 3245 3245 10.69      
2 A 3138 3138 14.44      
3 A 3092 3092 17.72      
4 A 3014 3014 22.96      
5 A 1518 1518 3.72      
6 A 1499 1499 10.72      
7 A 1443 1443 7.61      
8 A 1332 1332 39.76      
9 A 1135 1135 3.01      
10 A 1059 1059 24.16      
11 A 1025 1025 0.80      
12 A 737 737 31.57      
13 A 405 405 29.97      
14 A 325 325 10.70      
15 A 164 164 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 11565.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11565.0 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 B2PLYP=FULLultrafine/6-311G*
ABC
1.41021 0.18350 0.16772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.450 0.602 -0.073
C2 1.650 -0.266 0.010
Cl3 -1.115 -0.129 0.006
H4 0.454 1.651 0.183
H5 1.599 -1.085 -0.712
H6 2.546 0.321 -0.197
H7 1.766 -0.717 1.004

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48301.72871.07972.13832.11922.1521
C21.48302.76852.26541.09241.09131.0980
Cl31.72872.76852.37902.96573.69483.1059
H41.07972.26542.37903.09712.50812.8286
H52.13831.09242.96573.09711.77151.7623
H62.11921.09133.69482.50811.77151.7686
H72.15211.09803.10592.82861.76231.7686

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 111.348 C1 C2 H6 109.878
C1 C2 H7 112.120 C2 C1 Cl3 118.884
C2 C1 H4 123.484 H5 C2 H6 108.433
H5 C2 H7 107.138 H6 C2 H7 107.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability