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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-535.089528
Energy at 298.15K-535.093133
HF Energy-534.880166
Nuclear repulsion energy91.687086
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 3278 3129 5.31      
2 A 3167 3023 5.37      
3 A 3132 2989 8.02      
4 A 3061 2922 6.80      
5 A 1586 1514 4.65      
6 A 1571 1499 10.10      
7 A 1498 1430 8.76      
8 A 1330 1269 53.30      
9 A 1130 1078 3.88      
10 A 1091 1042 4.71      
11 A 1040 992 19.51      
12 A 659 629 33.39      
13 A 500 478 38.05      
14 A 328 313 1.87      
15 A 186 177 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 11777.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 11242.0 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
1.30851 0.17223 0.15722

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 0.519 0.640 -0.103
C2 1.684 -0.293 0.015
Cl3 -1.159 -0.126 0.008
H4 0.524 1.655 0.270
H5 1.588 -1.117 -0.699
H6 2.609 0.254 -0.196
H7 1.757 -0.725 1.023

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.49781.84761.08122.14232.12792.1601
C21.49782.84732.28201.09431.09531.0993
Cl31.84762.84732.46453.00453.79233.1451
H41.08122.28202.46453.12402.55532.7843
H52.14231.09433.00453.12401.78181.7745
H62.12791.09533.79232.55531.78181.7800
H72.16011.09933.14512.78431.77451.7800

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 110.513 C1 C2 H6 109.311
C1 C2 H7 111.635 C2 C1 Cl3 116.277
C2 C1 H4 123.665 H5 C2 H6 108.929
H5 C2 H7 107.982 H6 C2 H7 108.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability