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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: CISD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-895.003859
Energy at 298.15K 
HF Energy-894.096093
Nuclear repulsion energy247.573917
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/Def2TZVPP
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 3305 3305 0.50      
2 A 1415 1415 14.80      
3 A 1284 1284 93.72      
4 A 1184 1184 194.06      
5 A 846 846 172.24      
6 A 643 643 30.45      
7 A 442 442 0.61      
8 A 296 296 0.58      
9 A 207 207 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 4810.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4810.8 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/Def2TZVPP
ABC
0.21467 0.04993 0.04154

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.970 0.467 0.411
H2 1.045 0.606 1.472
F3 1.246 1.618 -0.207
Cl4 2.133 -0.744 -0.070
I5 -1.025 -0.101 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.07281.33481.74632.1183
H21.07281.97072.31972.6459
F31.33481.97072.52662.8545
Cl41.74632.31972.52663.2233
I52.11832.64592.85453.2233

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.400 H2 C1 Cl4 108.371
H2 C1 I5 107.453 F3 C1 Cl4 109.456
F3 C1 I5 109.411 Cl4 C1 I5 112.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability