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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: QCISD/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 QCISD/cc-pVTZ-PP
 hartrees
Energy at 0K-793.820203
Energy at 298.15K 
HF Energy-793.217761
Nuclear repulsion energy160.038682
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 QCISD/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' 3154 3154 2.98      
2 A' 1467 1467 0.03      
3 A' 1237 1237 69.43      
4 A' 769 769 74.25      
5 A' 565 565 9.66      
6 A' 199 199 0.30      
7 A" 3233 3233 0.59      
8 A" 1153 1153 0.00      
9 A" 811 811 3.55      

Unscaled Zero Point Vibrational Energy (zpe) 6293.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6293.8 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 QCISD/cc-pVTZ-PP
ABC
0.92855 0.05368 0.05124

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.795 -1.069 0.000
Cl2 -0.445 -2.333 0.000
I3 0.000 0.914 0.000
H4 1.395 -1.171 0.894
H5 1.395 -1.171 -0.894

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.77032.13601.08141.0814
Cl21.77033.27672.35242.3524
I32.13603.27672.66322.6632
H41.08142.35242.66321.7870
H51.08142.35242.66321.7870

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.704 Cl2 C1 H4 108.743
Cl2 C1 H5 108.743 I3 C1 H4 107.126
I3 C1 H5 107.126 H4 C1 H5 111.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability