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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-796.072437
Energy at 298.15K 
HF Energy-795.208988
Nuclear repulsion energy161.217093
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 MP2/Def2TZVPP
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' 3163 3009 2.02 96.86 0.06 0.11
2 A' 1457 1387 0.04 11.27 0.65 0.78
3 A' 1226 1167 63.62 3.89 0.18 0.30
4 A' 775 737 76.17 5.15 0.74 0.85
5 A' 573 545 11.18 18.23 0.17 0.28
6 A' 201 191 0.21 5.16 0.43 0.60
7 A" 3250 3092 1.69 48.14 0.75 0.86
8 A" 1149 1093 0.01 2.37 0.75 0.86
9 A" 813 773 4.46 0.94 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6303.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 5997.4 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 MP2/Def2TZVPP
ABC
0.93389 0.05463 0.05212

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.792 -1.060 0.000
Cl2 -0.443 -2.313 0.000
I3 0.000 0.905 0.000
H4 1.391 -1.158 0.895
H5 1.391 -1.158 -0.895

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.75922.11931.08131.0813
Cl21.75923.24832.34542.3454
I32.11933.24832.64442.6444
H41.08132.34542.64441.7896
H51.08132.34542.64441.7896

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.436 Cl2 C1 H4 108.970
Cl2 C1 H5 108.970 I3 C1 H4 106.902
I3 C1 H5 106.902 H4 C1 H5 111.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability