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

using model chemistry: ROHF/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 ROHF/3-21G*
 hartrees
Energy at 0K-534.986239
Energy at 298.15K-534.989952
HF Energy-534.986239
Nuclear repulsion energy94.318588
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 ROHF/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 3386 3076 9.11      
2 A 3274 2974 9.58      
3 A 3247 2950 13.57      
4 A 3189 2897 11.36      
5 A 1657 1505 5.12      
6 A 1649 1498 11.43      
7 A 1581 1437 10.33      
8 A 1417 1288 43.44      
9 A 1194 1085 6.57      
10 A 1143 1038 3.02      
11 A 1082 983 18.78      
12 A 731 664 36.46      
13 A 531 482 32.25      
14 A 362 329 1.79      
15 A 180 164 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 12310.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 11184.4 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 ROHF/3-21G*
ABC
1.37431 0.18263 0.16668

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.455 0.620 -0.098
C2 1.655 -0.275 0.014
Cl3 -1.118 -0.130 0.008
H4 0.473 1.631 0.250
H5 1.591 -1.087 -0.700
H6 2.556 0.293 -0.185
H7 1.732 -0.704 1.009

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.50081.74541.06992.13692.12782.1470
C21.50082.77642.25531.08301.08341.0866
Cl31.74542.77642.38532.95893.70293.0747
H41.06992.25532.38533.08912.51352.7599
H52.13691.08302.95893.08911.76121.7564
H62.12781.08343.70292.51351.76121.7601
H72.14701.08663.07472.75991.75641.7601

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 110.548 C1 C2 H6 109.794
C1 C2 H7 111.144 C2 C1 Cl3 117.383
C2 C1 H4 121.732 H5 C2 H6 108.771
H5 C2 H7 108.105 H6 C2 H7 108.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.257      
2 C -0.645      
3 Cl -0.055      
4 H 0.255      
5 H 0.241      
6 H 0.229      
7 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.935 0.518 0.349 2.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.610 0.283 0.097
y 0.283 -25.086 0.545
z 0.097 0.545 -27.027
Traceless
 xyz
x 0.446 0.283 0.097
y 0.283 1.232 0.545
z 0.097 0.545 -1.679
Polar
3z2-r2-3.358
x2-y2-0.524
xy0.283
xz0.097
yz0.545


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 76.515
(<r2>)1/2 8.747