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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at CBS-Q
 hartrees
Energy at 0K-538.135765
Energy at 298.15K-538.130514
HF Energy-537.503602
Nuclear repulsion energy94.459183
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3380 3380 13.85      
2 A 3277 3277 17.74      
3 A 3243 3243 23.74      
4 A 3171 3171 21.80      
5 A 1620 1620 2.16      
6 A 1607 1607 6.68      
7 A 1548 1548 3.71      
8 A 1409 1409 50.35      
9 A 1186 1186 0.94      
10 A 1111 1111 16.68      
11 A 1098 1098 4.40      
12 A 764 764 37.66      
13 A 528 528 24.49      
14 A 351 351 1.70      
15 A 185 185 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 12239.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12239.2 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 CBS-Q
ABC
1.39198 0.18459 0.16856

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.451 0.611 -0.096
C2 1.654 -0.270 0.013
Cl3 -1.117 -0.129 0.008
H4 0.460 1.632 0.242
H5 1.595 -1.097 -0.689
H6 2.550 0.307 -0.204
H7 1.755 -0.689 1.016

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.49561.73721.07542.14022.12372.1507
C21.49562.77492.25781.08671.08731.0911
Cl31.73722.77492.37602.96283.69893.0947
H41.07542.25782.37603.09932.51472.7680
H52.14021.08672.96283.09931.76581.7605
H62.12371.08733.69892.51471.76581.7639
H72.15071.09113.09472.76801.76051.7639

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 110.962 C1 C2 H6 109.603
C1 C2 H7 111.534 C2 C1 Cl3 118.075
C2 C1 H4 121.996 H5 C2 H6 108.631
H5 C2 H7 107.877 H6 C2 H7 108.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability