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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: MP2=FULL/cc-pVTZ-PP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVTZ-PP
 hartrees
Energy at 0K-1547.293995
Energy at 298.15K 
HF Energy-1546.190656
Nuclear repulsion energy563.305259
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/cc-pVTZ-PP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 743 743 89.17 7.88 0.37 0.54
2 A1 362 362 0.01 10.72 0.02 0.04
3 A1 213 213 0.00 6.77 0.21 0.34
4 A1 114 114 0.07 2.60 0.61 0.76
5 A2 159 159 0.00 2.20 0.75 0.86
6 B1 661 661 77.21 9.64 0.75 0.86
7 B1 199 199 0.07 3.41 0.75 0.86
8 B2 782 782 80.58 1.18 0.75 0.86
9 B2 233 233 0.35 2.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1732.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1732.6 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/cc-pVTZ-PP
ABC
0.03921 0.01813 0.01575

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ-PP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.660
Cl2 0.000 1.438 1.679
Cl3 0.000 -1.438 1.679
I4 1.759 0.000 -0.576
I5 -1.759 0.000 -0.576

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.76271.76272.14972.1497
Cl21.76272.87693.20103.2010
Cl31.76272.87693.20103.2010
I42.14973.20103.20103.5178
I52.14973.20103.20103.5178

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 109.382 Cl2 C1 I4 109.408
Cl2 C1 I5 109.408 Cl3 C1 I4 109.408
Cl3 C1 I5 109.408 I4 C1 I5 109.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability