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 CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: B2PLYP=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-9988.905808
Energy at 298.15K 
HF Energy-9988.862739
Nuclear repulsion energy881.817512
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/STO-3G
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 1260 1260 123.68 3.76 0.25 0.40
2 A 818 818 191.72 6.89 0.52 0.68
3 A 781 781 215.94 9.49 0.74 0.85
4 A 449 449 9.15 8.81 0.02 0.04
5 A 337 337 0.64 3.78 0.71 0.83
6 A 293 293 0.88 4.23 0.72 0.84
7 A 243 243 0.89 7.57 0.27 0.42
8 A 176 176 0.93 4.29 0.68 0.81
9 A 142 142 0.14 4.16 0.66 0.80

Unscaled Zero Point Vibrational Energy (zpe) 2248.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2248.9 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/STO-3G
ABC
0.05631 0.02451 0.01993

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.441 0.432 0.395
F2 0.554 0.684 1.740
Cl3 0.748 2.085 -0.494
Br4 1.838 -0.845 -0.157
I5 -1.598 -0.275 -0.078

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37311.90151.97192.2093
F21.37312.64462.75382.9762
Cl31.90152.64463.14473.3533
Br41.97192.75383.14473.4831
I52.20932.97623.35333.4831

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.614 F2 C1 Br4 109.524
F2 C1 I5 110.169 Cl3 C1 Br4 108.544
Cl3 C1 I5 109.093 Br4 C1 I5 112.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability