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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: CCSD/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/cc-pVTZ-PP
 hartrees
Energy at 0K-793.819319
Energy at 298.15K 
HF Energy-793.217769
Nuclear repulsion energy160.104238
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 CCSD/cc-pVTZ-PP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3157 3012 2.86      
2 A' 1468 1401 0.02      
3 A' 1240 1183 68.45      
4 A' 772 736 72.68      
5 A' 567 541 8.99      
6 A' 200 191 0.31      
7 A" 3236 3087 0.65      
8 A" 1155 1101 0.00      
9 A" 812 775 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 6302.6 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 6012.7 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 CCSD/cc-pVTZ-PP
ABC
0.92943 0.05372 0.05129

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ-PP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.794 -1.069 0.000
Cl2 -0.445 -2.332 0.000
I3 0.000 0.913 0.000
H4 1.395 -1.171 0.893
H5 1.395 -1.171 -0.893

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.76952.13501.08121.0812
Cl21.76953.27542.35152.3515
I32.13503.27542.66242.6624
H41.08122.35152.66241.7862
H51.08122.35152.66241.7862

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.714 Cl2 C1 H4 108.738
Cl2 C1 H5 108.738 I3 C1 H4 107.147
I3 C1 H5 107.147 H4 C1 H5 111.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability