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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-7384.441057
Energy at 298.15K 
HF Energy-7384.113414
Nuclear repulsion energy284.989363
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 CID/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' 3213 2990 1.46      
2 A' 1552 1444 0.10      
3 A' 1310 1219 65.50      
4 A' 729 679 76.64      
5 A' 567 528 10.06      
6 A' 202 188 0.31      
7 A" 3292 3063 0.96      
8 A" 1216 1131 0.00      
9 A" 842 784 5.87      

Unscaled Zero Point Vibrational Energy (zpe) 6461.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 6012.2 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 CID/3-21G*
ABC
0.89309 0.05208 0.04968

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.814 -1.100 0.000
Cl2 -0.454 -2.365 0.000
I3 0.000 0.928 0.000
H4 1.413 -1.206 0.896
H5 1.413 -1.206 -0.896

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.79022.18591.08321.0832
Cl21.79023.32412.37252.3725
I32.18593.32412.71212.7121
H41.08322.37252.71211.7929
H51.08322.37252.71211.7929

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.065 Cl2 C1 H4 108.809
Cl2 C1 H5 108.809 I3 C1 H4 107.245
I3 C1 H5 107.245 H4 C1 H5 111.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability