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

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-537.949786
Energy at 298.15K-537.953365
HF Energy-537.511566
Nuclear repulsion energy94.704822
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/6-31+G**
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 3286 3107 8.79      
2 A 3188 3013 14.40      
3 A 3144 2972 16.77      
4 A 3063 2896 21.85      
5 A 1531 1448 2.74      
6 A 1510 1428 7.74      
7 A 1464 1384 4.93      
8 A 1358 1284 42.18      
9 A 1148 1085 2.76      
10 A 1074 1015 16.09      
11 A 1038 981 0.74      
12 A 758 717 25.37      
13 A 436 413 29.21      
14 A 335 317 5.03      
15 A 173 164 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 11752.8 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 11111.1 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/6-31+G**
ABC
1.40479 0.18368 0.16784

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.445 0.603 -0.077
C2 1.651 -0.267 0.010
Cl3 -1.114 -0.129 0.006
H4 0.460 1.648 0.195
H5 1.590 -1.092 -0.701
H6 2.543 0.320 -0.213
H7 1.771 -0.701 1.010

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.49051.72461.07982.13912.12112.1546
C21.49052.76902.26341.09141.09071.0965
Cl31.72462.76902.38192.95633.69093.1078
H41.07982.26342.38193.09682.50332.8113
H52.13911.09142.95633.09681.77281.7650
H62.12111.09073.69092.50331.77281.7707
H72.15461.09653.10782.81131.76501.7707

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 110.954 C1 C2 H6 109.552
C1 C2 H7 111.893 C2 C1 Cl3 118.738
C2 C1 H4 122.625 H5 C2 H6 108.671
H5 C2 H7 107.559 H6 C2 H7 108.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability