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 CH2CH2Cl (2-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 CS 2A'
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-538.573048
Energy at 298.15K 
HF Energy-538.412080
Nuclear repulsion energy93.716433
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' 3180 3180 3.86      
2 A' 3128 3128 14.95      
3 A' 1513 1513 0.34      
4 A' 1480 1480 4.47      
5 A' 1286 1286 19.33      
6 A' 1105 1105 8.94      
7 A' 680 680 91.66      
8 A' 559 559 27.13      
9 A' 306 306 12.57      
10 A" 3291 3291 5.47      
11 A" 3194 3194 3.67      
12 A" 1277 1277 0.00      
13 A" 1083 1083 2.29      
14 A" 794 794 2.01      
15 A" 232 232 1.23      

Unscaled Zero Point Vibrational Energy (zpe) 11553.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11553.3 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 B2PLYP=FULLultrafine/6-311G**
ABC
1.09595 0.18874 0.17199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.463 0.835 0.000
C2 0.000 0.877 0.000
Cl3 0.703 -0.845 0.000
H4 -2.004 0.712 0.928
H5 -2.004 0.712 -0.928
H6 0.415 1.337 -0.893
H7 0.415 1.337 0.893

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.46372.74141.08101.08102.13902.1390
C21.46371.86062.21442.21441.08631.0863
Cl32.74141.86063.25813.25812.37512.3751
H41.08102.21443.25811.85623.09102.4980
H51.08102.21443.25811.85622.49803.0910
H62.13901.08632.37513.09102.49801.7855
H72.13901.08632.37512.49803.09101.7855

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 110.538 C1 C2 H6 113.201
C1 C2 H7 113.201 C2 C1 H4 120.213
C2 C1 H5 120.213 Cl3 C2 H6 104.312
Cl3 C2 H7 104.312 H4 C1 H5 118.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability