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All results from a given calculation for CH2Cl (chloromethyl radical)

using model chemistry: mPW1PW91/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/cc-pV(T+d)Z
 hartrees
Energy at 0K-499.491423
Energy at 298.15K-499.492322
HF Energy-499.491423
Nuclear repulsion energy45.708183
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 mPW1PW91/cc-pV(T+d)Z
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' 3190 3056 7.13      
2 A' 1417 1357 8.23      
3 A' 865 829 32.53      
4 A' 226 216 69.02      
5 A" 3339 3199 0.00      
6 A" 1000 958 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 5018.7 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 4807.4 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 mPW1PW91/cc-pV(T+d)Z
ABC
9.25338 0.53665 0.50723

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pV(T+d)Z

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.107 0.000
Cl2 -0.000 -0.580 0.000
H3 0.001 1.611 0.951
H4 0.001 1.611 -0.951

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.68701.07611.0761
Cl21.68702.38852.3885
H31.07612.38851.9014
H41.07612.38851.9014

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.937 Br2 C1 H4 117.937
H3 C1 H4 124.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.187      
2 Cl -0.062      
3 H 0.124      
4 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 1.089 0.000 1.089
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.298 0.002 0.000
y 0.002 -17.175 0.000
z 0.000 0.000 -18.325
Traceless
 xyz
x -2.548 0.002 0.000
y 0.002 2.137 0.000
z 0.000 0.000 0.411
Polar
3z2-r20.823
x2-y2-3.123
xy0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.451 0.000 0.000
y 0.000 4.792 0.000
z 0.000 0.000 2.887


<r2> (average value of r2) Å2
<r2> 31.687
(<r2>)1/2 5.629