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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-535.285483
Energy at 298.15K-535.289077
HF Energy-534.989519
Nuclear repulsion energy94.048673
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 MP2/3-21G*
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 3270 3110 6.63      
2 A 3166 3012 7.59      
3 A 3129 2977 10.38      
4 A 3058 2909 9.57      
5 A 1591 1513 4.11      
6 A 1573 1497 9.64      
7 A 1499 1426 7.36      
8 A 1373 1306 36.93      
9 A 1139 1084 4.68      
10 A 1087 1034 2.67      
11 A 1056 1004 22.15      
12 A 720 685 30.22      
13 A 452 430 33.46      
14 A 345 328 4.13      
15 A 174 165 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 11815.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 11239.9 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 MP2/3-21G*
ABC
1.37440 0.18148 0.16568

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.451 0.614 -0.083
C2 1.661 -0.273 0.012
Cl3 -1.121 -0.130 0.007
H4 0.469 1.654 0.212
H5 1.582 -1.105 -0.695
H6 2.558 0.308 -0.225
H7 1.778 -0.695 1.020

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.50351.74141.08142.14712.13422.1659
C21.50352.78602.27491.09491.09471.0996
Cl31.74142.78602.39872.95803.71263.1226
H41.08142.27492.39873.11072.52332.8080
H52.14711.09492.95803.11071.78121.7746
H62.13421.09473.71262.52331.78121.7795
H72.16591.09963.12262.80801.77461.7795

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 110.457 C1 C2 H6 109.441
C1 C2 H7 111.680 C2 C1 Cl3 118.132
C2 C1 H4 122.466 H5 C2 H6 108.874
H5 C2 H7 107.937 H6 C2 H7 108.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability