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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-10042.003269
Energy at 298.15K 
HF Energy-10041.690789
Nuclear repulsion energy879.459467
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 1129 1051 119.40      
2 A 755 704 173.49      
3 A 724 675 186.40      
4 A 392 365 2.70      
5 A 313 292 0.15      
6 A 277 258 1.16      
7 A 237 221 0.35      
8 A 175 163 0.41      
9 A 137 127 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 2069.4 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 1927.9 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 CID/3-21G
ABC
0.05632 0.02431 0.01969

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 0.423 0.435 0.364
F2 0.521 0.665 1.721
Cl3 0.743 2.104 -0.474
Br4 1.860 -0.841 -0.152
I5 -1.603 -0.282 -0.081

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37931.89481.99052.1951
F21.37932.63382.75132.9425
Cl31.89482.63383.16643.3694
Br41.99052.75133.16643.5094
I52.19512.94253.36943.5094

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.040 F2 C1 Br4 108.085
F2 C1 I5 108.657 Cl3 C1 Br4 109.141
Cl3 C1 I5 110.728 Br4 C1 I5 113.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability