return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: B2PLYP=FULL/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP=FULL/6-311G**
 hartrees
Energy at 0K-7517.539040
Energy at 298.15K 
HF Energy-7517.147178
Nuclear repulsion energy410.618180
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 B2PLYP=FULL/6-311G**
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 3190 3190 2.48      
2 A 1352 1352 17.39      
3 A 1218 1218 107.34      
4 A 1095 1095 207.57      
5 A 764 764 215.43      
6 A 584 584 53.08      
7 A 418 418 0.58      
8 A 270 270 0.14      
9 A 194 194 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4541.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4541.9 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 B2PLYP=FULL/6-311G**
ABC
0.20926 0.04738 0.03960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.008 0.475 0.417
H2 1.078 0.611 1.489
F3 1.284 1.637 -0.210
Cl4 2.185 -0.756 -0.071
I5 -1.053 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08371.34911.77142.1834
H21.08371.99612.35082.7053
F31.34911.99612.56052.9190
Cl41.77142.35082.56053.3044
I52.18342.70532.91903.3044

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.793 H2 C1 Cl4 108.437
H2 C1 I5 106.918 F3 C1 Cl4 109.537
F3 C1 I5 109.161 Cl4 C1 I5 112.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability