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All results from a given calculation for CF3I (trifluoroiodomethane)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-88.563464
Energy at 298.15K-88.562703
HF Energy-88.153431
Nuclear repulsion energy98.181498
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-31G
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 1001 967 456.54      
2 A1 639 618 23.47      
3 A1 280 271 1.80      
4 E 1033 998 258.23      
4 E 1033 998 258.23      
5 E 464 449 3.32      
5 E 464 449 3.32      
6 E 253 244 0.18      
6 E 253 244 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 2710.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 2619.0 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-31G
ABC
0.17066 0.04745 0.04745

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.166
I2 0.000 0.000 0.998
F3 0.000 1.316 -1.699
F4 1.140 -0.658 -1.699
F5 -1.140 -0.658 -1.699

Atom - Atom Distances (Å)
  C1 I2 F3 F4 F5
C12.16331.42041.42041.4204
I22.16333.00083.00083.0008
F31.42043.00082.28022.2802
F41.42043.00082.28022.2802
F51.42043.00082.28022.2802

picture of trifluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 F3 112.051 I2 C1 F4 112.051
I2 C1 F5 112.051 F3 C1 F4 106.773
F3 C1 F5 106.773 F4 C1 F5 106.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability