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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-535.296069
Energy at 298.15K-535.299714
HF Energy-534.986686
Nuclear repulsion energy93.267204
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 MP2=FULL/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' 3213 3046 3.77      
2 A' 3156 2992 9.64      
3 A' 1580 1498 4.11      
4 A' 1554 1473 1.85      
5 A' 1334 1265 15.80      
6 A' 1060 1005 7.24      
7 A' 665 631 111.26      
8 A' 587 556 5.46      
9 A' 320 303 12.43      
10 A" 3328 3155 4.99      
11 A" 3221 3053 1.97      
12 A" 1334 1265 0.10      
13 A" 1118 1059 0.61      
14 A" 822 780 3.15      
15 A" 224 213 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 11758.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 11146.8 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 MP2=FULL/3-21G*
ABC
1.07017 0.18772 0.17055

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.486 0.821 0.000
C2 0.000 0.882 0.000
Cl3 0.714 -0.839 0.000
H4 -2.017 0.664 0.930
H5 -2.017 0.664 -0.930
H6 0.401 1.356 -0.894
H7 0.401 1.356 0.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48682.75561.08211.08212.15522.1552
C21.48681.86282.23122.23121.08891.0889
Cl32.75561.86283.25283.25282.39082.3908
H41.08212.23123.25281.85933.10652.5148
H51.08212.23123.25281.85932.51483.1065
H62.15521.08892.39083.10652.51481.7888
H72.15521.08892.39082.51483.10651.7888

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 110.199 C1 C2 H6 112.682
C1 C2 H7 112.682 C2 C1 H4 119.756
C2 C1 H5 119.756 Cl3 C2 H6 105.149
Cl3 C2 H7 105.149 H4 C1 H5 118.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability