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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: MP2/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-32.657575
Energy at 298.15K 
HF Energy-32.497733
Nuclear repulsion energy32.204595
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/CEP-121G
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' 3084 3010 13.69 103.37 0.08 0.15
2 A' 1430 1396 1.61 21.23 0.60 0.75
3 A' 1282 1252 81.37 2.96 0.46 0.63
4 A' 677 661 77.37 15.27 0.48 0.65
5 A' 527 515 11.24 19.44 0.26 0.42
6 A' 191 186 0.37 12.69 0.57 0.73
7 A" 3196 3119 2.54 57.66 0.75 0.86
8 A" 1142 1114 0.80 24.34 0.75 0.86
9 A" 814 794 9.11 9.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6171.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 6023.2 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 MP2/CEP-121G
ABC
0.87014 0.04972 0.04747

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.831 -1.073 0.000
Cl2 -0.461 -2.433 0.000
I3 0.000 0.947 0.000
H4 1.425 -1.194 0.910
H5 1.425 -1.194 -0.910

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.87622.18421.09331.0933
Cl21.87623.41182.43322.4332
I32.18423.41182.72762.7276
H41.09332.43322.72761.8204
H51.09332.43322.72761.8204

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 114.120 Cl2 C1 H4 107.084
Cl2 C1 H5 107.084 I3 C1 H4 107.974
I3 C1 H5 107.974 H4 C1 H5 112.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability