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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-7387.473828
Energy at 298.15K 
HF Energy-7387.473828
Nuclear repulsion energy284.185221
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 TPSSh/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' 3135 3027 1.62 88.89 0.09 0.16
2 A' 1488 1437 0.13 17.69 0.72 0.84
3 A' 1244 1202 60.93 4.08 0.30 0.46
4 A' 668 645 112.21 4.71 0.65 0.79
5 A' 543 524 17.56 20.52 0.17 0.29
6 A' 189 183 0.23 8.46 0.45 0.62
7 A" 3220 3110 0.71 59.24 0.75 0.86
8 A" 1161 1121 0.03 9.89 0.75 0.86
9 A" 802 775 7.43 2.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6225.5 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 6011.9 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 TPSSh/3-21G*
ABC
0.89364 0.05168 0.04933

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.814 -1.095 0.000
Cl2 -0.453 -2.376 0.000
I3 0.000 0.931 0.000
H4 1.410 -1.202 0.904
H5 1.410 -1.202 -0.904

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.80182.18431.08771.0877
Cl21.80183.33842.38102.3810
I32.18433.33842.71212.7121
H41.08772.38102.71211.8070
H51.08772.38102.71211.8070

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.412 Cl2 C1 H4 108.436
Cl2 C1 H5 108.436 I3 C1 H4 107.151
I3 C1 H5 107.151 H4 C1 H5 112.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.665      
2 Cl -0.006      
3 I 0.080      
4 H 0.296      
5 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.595 0.090 0.000 1.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.713 0.265 0.000
y 0.265 9.944 0.000
z 0.000 0.000 4.828


<r2> (average value of r2) Å2
<r2> 194.620
(<r2>)1/2 13.951