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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-7387.680594
Energy at 298.15K 
HF Energy-7387.680594
Nuclear repulsion energy280.963842
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 B3PW91/3-21G
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' 3169 3046 0.97      
2 A' 1472 1415 1.38      
3 A' 1243 1195 62.12      
4 A' 651 626 119.90      
5 A' 545 523 8.52      
6 A' 189 182 0.53      
7 A" 3266 3139 0.80      
8 A" 1144 1099 0.00      
9 A" 802 771 9.36      

Unscaled Zero Point Vibrational Energy (zpe) 6240.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5998.1 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 B3PW91/3-21G
ABC
0.86668 0.05033 0.04801

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.835 -1.066 0.000
Cl2 -0.462 -2.418 0.000
I3 0.000 0.942 0.000
H4 1.421 -1.202 0.905
H5 1.421 -1.202 -0.905

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.87412.17401.08611.0861
Cl21.87413.39122.41712.4171
I32.17403.39122.72572.7257
H41.08612.41712.72571.8096
H51.08612.41712.72571.8096

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.595 Cl2 C1 H4 106.414
Cl2 C1 H5 106.414 I3 C1 H4 108.823
I3 C1 H5 108.823 H4 C1 H5 112.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.875      
2 Cl 0.016      
3 I 0.218      
4 H 0.321      
5 H 0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.915 0.548 0.000 1.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.065 -3.433 0.000
y -3.433 -50.022 0.000
z 0.000 0.000 -47.645
Traceless
 xyz
x 2.769 -3.433 0.000
y -3.433 -3.168 0.000
z 0.000 0.000 0.399
Polar
3z2-r20.797
x2-y23.958
xy-3.433
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.104 0.152 0.000
y 0.152 9.154 0.000
z 0.000 0.000 2.834


<r2> (average value of r2) Å2
<r2> 199.495
(<r2>)1/2 14.124