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All results from a given calculation for CF3I (trifluoroiodomethane)

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 C3V 1A1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-88.627771
Energy at 298.15K-88.627026
HF Energy-88.158912
Nuclear repulsion energy98.293815
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 A1 998 974 472.48      
2 A1 635 620 21.47      
3 A1 279 273 1.76      
4 E 1029 1005 268.04      
4 E 1029 1005 268.04      
5 E 459 448 3.20      
5 E 459 448 3.20      
6 E 252 246 0.16      
6 E 252 246 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 2696.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 2632.0 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-121G
ABC
0.17103 0.04753 0.04753

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.167
I2 0.000 0.000 0.997
F3 0.000 1.315 -1.697
F4 1.139 -0.658 -1.697
F5 -1.139 -0.658 -1.697

Atom - Atom Distances (Å)
  C1 I2 F3 F4 F5
C12.16381.41801.41801.4180
I22.16382.99812.99812.9981
F31.41802.99812.27772.2777
F41.41802.99812.27772.2777
F51.41802.99812.27772.2777

picture of trifluoroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 F3 111.965 I2 C1 F4 111.965
I2 C1 F5 111.965 F3 C1 F4 106.866
F3 C1 F5 106.866 F4 C1 F5 106.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability