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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-7387.645585
Energy at 298.15K 
HF Energy-7387.645585
Nuclear repulsion energy279.044117
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 B3LYP/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' 3171 3059 1.41 97.92 0.09 0.16
2 A' 1476 1424 1.08 20.19 0.71 0.83
3 A' 1235 1191 72.33 1.61 0.54 0.70
4 A' 630 608 121.65 11.45 0.46 0.63
5 A' 531 512 9.89 18.72 0.24 0.39
6 A' 185 179 0.50 11.58 0.53 0.70
7 A" 3266 3151 0.36 60.82 0.75 0.86
8 A" 1131 1092 0.01 16.67 0.75 0.86
9 A" 794 767 8.20 6.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6209.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 5991.3 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 B3LYP/3-21G
ABC
0.85674 0.04960 0.04732

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.842 -1.073 0.000
Cl2 -0.465 -2.436 0.000
I3 0.000 0.948 0.000
H4 1.424 -1.209 0.905
H5 1.424 -1.209 -0.905

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.88872.18961.08401.0840
Cl21.88873.41622.42702.4270
I32.18963.41622.73872.7387
H41.08402.42702.73871.8095
H51.08402.42702.73871.8095

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.578 Cl2 C1 H4 106.277
Cl2 C1 H5 106.277 I3 C1 H4 108.814
I3 C1 H5 108.814 H4 C1 H5 113.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.800      
2 Cl -0.000      
3 I 0.206      
4 H 0.297      
5 H 0.297      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.904 0.608 0.000 1.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.160 -3.447 0.000
y -3.447 -50.160 0.000
z 0.000 0.000 -47.730
Traceless
 xyz
x 2.784 -3.447 0.000
y -3.447 -3.214 0.000
z 0.000 0.000 0.430
Polar
3z2-r20.859
x2-y23.999
xy-3.447
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.122 0.161 0.000
y 0.161 9.326 0.000
z 0.000 0.000 2.826


<r2> (average value of r2) Å2
<r2> 201.991
(<r2>)1/2 14.212