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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: CISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CISD/3-21G*
 hartrees
Energy at 0K-7482.839690
Energy at 298.15K 
HF Energy-7482.416682
Nuclear repulsion energy408.732565
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 CISD/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 3256 3043 2.58      
2 A 1389 1298 12.61      
3 A 1294 1209 102.06      
4 A 1125 1051 103.60      
5 A 759 709 181.22      
6 A 614 573 33.58      
7 A 400 374 1.06      
8 A 267 249 0.95      
9 A 199 186 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4651.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 4346.4 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 CISD/3-21G*
ABC
0.20238 0.04743 0.03944

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.008 0.471 0.435
H2 1.086 0.595 1.506
F3 1.300 1.664 -0.213
Cl4 2.176 -0.771 -0.074
I5 -1.053 -0.100 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08131.38921.77952.1859
H21.08132.03622.35622.7171
F31.38922.03622.59212.9471
Cl41.77952.35622.59213.2985
I52.18592.71712.94713.2985

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.402 H2 C1 Cl4 108.419
H2 C1 I5 107.676 F3 C1 Cl4 109.163
F3 C1 I5 109.003 Cl4 C1 I5 112.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability