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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-7387.593559
Energy at 298.15K 
HF Energy-7387.593559
Nuclear repulsion energy275.460798
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/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' 3089 3073 2.00 100.08 0.09 0.16
2 A' 1432 1424 1.57 19.70 0.72 0.84
3 A' 1187 1181 71.46 2.12 0.67 0.80
4 A' 584 581 136.51 10.28 0.29 0.45
5 A' 501 498 18.60 15.48 0.26 0.41
6 A' 175 174 0.37 13.25 0.52 0.68
7 A" 3187 3170 0.00 60.41 0.75 0.86
8 A" 1085 1079 0.01 15.74 0.75 0.86
9 A" 766 762 8.05 6.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6003.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 5970.4 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/3-21G
ABC
0.84364 0.04821 0.04602

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.850 -1.085 0.000
Cl2 -0.468 -2.472 0.000
I3 0.000 0.962 0.000
H4 1.430 -1.220 0.914
H5 1.430 -1.220 -0.914

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.91402.21601.09101.0910
Cl21.91403.46562.45112.4511
I32.21603.46562.76442.7644
H41.09102.45112.76441.8277
H51.09102.45112.76441.8277

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.897 Cl2 C1 H4 106.043
Cl2 C1 H5 106.043 I3 C1 H4 108.589
I3 C1 H5 108.589 H4 C1 H5 113.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.742      
2 Cl -0.009      
3 I 0.187      
4 H 0.282      
5 H 0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.863 0.609 0.000 1.960
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.132 -3.378 0.000
y -3.378 -49.979 0.000
z 0.000 0.000 -47.743
Traceless
 xyz
x 2.729 -3.378 0.000
y -3.378 -3.041 0.000
z 0.000 0.000 0.313
Polar
3z2-r20.626
x2-y23.847
xy-3.378
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.184 0.199 0.000
y 0.199 9.864 0.000
z 0.000 0.000 2.876


<r2> (average value of r2) Å2
<r2> 206.722
(<r2>)1/2 14.378