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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-7384.127753
Energy at 298.15K 
HF Energy-7383.938529
Nuclear repulsion energy278.796037
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=FULL/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' 3201 3056 1.82 86.60 0.11 0.19
2 A' 1517 1449 1.64 19.96 0.72 0.84
3 A' 1265 1208 67.10 0.66 0.74 0.85
4 A' 653 624 74.28 14.80 0.55 0.71
5 A' 536 512 4.16 15.38 0.22 0.36
6 A' 187 179 0.62 9.69 0.56 0.71
7 A" 3291 3142 0.25 58.83 0.75 0.86
8 A" 1154 1101 0.01 18.10 0.75 0.86
9 A" 807 771 7.16 6.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6305.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 6020.8 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 MP2=FULL/3-21G
ABC
0.84859 0.04953 0.04722

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.848 -1.064 0.000
Cl2 -0.468 -2.440 0.000
I3 0.000 0.949 0.000
H4 1.432 -1.209 0.902
H5 1.432 -1.209 -0.902

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.90332.18401.08431.0843
Cl21.90333.42042.43642.4364
I32.18403.42042.74192.7419
H41.08432.43642.74191.8044
H51.08432.43642.74191.8044

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.441 Cl2 C1 H4 106.005
Cl2 C1 H5 106.005 I3 C1 H4 109.386
I3 C1 H5 109.386 H4 C1 H5 112.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability