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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-10042.611868
Energy at 298.15K 
HF Energy-10042.091513
Nuclear repulsion energy902.805550
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 CID/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 1136 1057 87.48      
2 A 803 747 168.21      
3 A 783 728 190.19      
4 A 448 416 0.65      
5 A 325 303 0.64      
6 A 276 257 1.30      
7 A 257 239 0.55      
8 A 188 175 0.03      
9 A 142 132 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 2177.4 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 2026.1 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 CID/3-21G*
ABC
0.05916 0.02571 0.02092

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.449 0.476 0.343
F2 0.544 0.711 1.702
Cl3 0.766 2.006 -0.501
Br4 1.780 -0.843 -0.142
I5 -1.564 -0.261 -0.074

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.38301.77621.93562.1841
F21.38302.56562.71022.9228
Cl31.77622.56563.04593.2794
Br41.93562.71023.04593.3953
I52.18412.92283.27943.3953

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 107.957 F2 C1 Br4 108.359
F2 C1 I5 107.928 Cl3 C1 Br4 110.219
Cl3 C1 I5 111.388 Br4 C1 I5 110.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability