return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-499.440027
Energy at 298.15K 
HF Energy-499.440027
Nuclear repulsion energy44.736933
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 BLYP/6-311G**
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' 3095 3083 7.49      
2 A' 1371 1366 10.77      
3 A' 787 784 36.49      
4 A' 112 112 91.43      
5 A" 3251 3239 0.56      
6 A" 974 970 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 4795.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 4776.4 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 BLYP/6-311G**
ABC
9.01840 0.51207 0.48456

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.137 0.000
Cl2 -0.000 -0.594 0.000
H3 0.001 1.634 0.963
H4 0.001 1.634 -0.963

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.73071.08351.0835
Cl21.73072.42662.4266
H31.08352.42661.9260
H41.08352.42661.9260

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 117.281 Br2 C1 H4 117.281
H3 C1 H4 125.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 Cl -0.017      
3 H 0.166      
4 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.002 1.111 0.000 1.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.869 0.004 0.000
y 0.004 -17.725 0.000
z 0.000 0.000 -18.836
Traceless
 xyz
x -2.589 0.004 0.000
y 0.004 2.128 0.000
z 0.000 0.000 0.461
Polar
3z2-r20.922
x2-y2-3.144
xy0.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.754 0.000 0.000
y 0.000 4.849 0.000
z 0.000 0.000 2.371


<r2> (average value of r2) Å2
<r2> 32.898
(<r2>)1/2 5.736

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-499.440033
Energy at 298.15K-499.440716
HF Energy-499.440033
Nuclear repulsion energy44.719460
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 BLYP/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3097 3085 7.43      
2 A1 1371 1365 10.76      
3 A1 783 780 36.62      
4 B1 110 109 91.49      
5 B2 3253 3241 0.53      
6 B2 975 971 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 4794.3 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 4775.6 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 BLYP/6-311G**
ABC
9.00920 0.51165 0.48415

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.138
Cl2 0.000 0.000 0.594
H3 0.000 0.963 -1.634
H4 0.000 -0.963 -1.634

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.73171.08351.0835
Cl21.73172.42682.4268
H31.08352.42681.9270
H41.08352.42681.9270

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.224 Br2 C1 H4 117.224
H3 C1 H4 125.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 Cl -0.017      
3 H 0.166      
4 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.114 1.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.871 0.000 0.000
y 0.000 -18.834 0.000
z 0.000 0.000 -17.725
Traceless
 xyz
x -2.592 0.000 0.000
y 0.000 0.464 0.000
z 0.000 0.000 2.128
Polar
3z2-r24.255
x2-y2-2.038
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.754 0.000 0.000
y 0.000 2.372 0.000
z 0.000 0.000 4.851


<r2> (average value of r2) Å2
<r2> 32.912
(<r2>)1/2 5.737