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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-7387.831939
Energy at 298.15K 
HF Energy-7387.831939
Nuclear repulsion energy283.344225
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' 3147 3027 1.41 84.02 0.09 0.17
2 A' 1493 1436 0.20 18.58 0.72 0.84
3 A' 1248 1201 59.62 4.43 0.28 0.44
4 A' 671 646 103.82 5.15 0.67 0.80
5 A' 537 517 17.29 21.58 0.18 0.30
6 A' 191 184 0.20 8.22 0.45 0.62
7 A" 3230 3108 0.83 56.07 0.75 0.86
8 A" 1165 1120 0.02 10.00 0.75 0.86
9 A" 804 773 7.31 2.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6243.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6005.8 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
0.89522 0.05131 0.04899

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 0.813 -1.102 0.000
Cl2 -0.453 -2.384 0.000
I3 0.000 0.935 0.000
H4 1.411 -1.206 0.901
H5 1.411 -1.206 -0.901

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.80182.19331.08601.0860
Cl21.80183.34992.38172.3817
I32.19333.34992.71752.7175
H41.08602.38172.71751.8015
H51.08602.38172.71751.8015

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.605 Cl2 C1 H4 108.580
Cl2 C1 H5 108.580 I3 C1 H4 107.027
I3 C1 H5 107.027 H4 C1 H5 112.083
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 -0.624      
2 Cl -0.010      
3 I 0.075      
4 H 0.279      
5 H 0.279      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.568 0.096 0.000 1.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.860 -3.101 0.000
y -3.101 -48.127 0.000
z 0.000 0.000 -47.658
Traceless
 xyz
x 2.032 -3.101 0.000
y -3.101 -1.368 0.000
z 0.000 0.000 -0.664
Polar
3z2-r2-1.329
x2-y22.267
xy-3.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.661 0.249 0.000
y 0.249 9.866 0.000
z 0.000 0.000 4.792


<r2> (average value of r2) Å2
<r2> 195.709
(<r2>)1/2 13.990