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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-176.312764
Energy at 298.15K 
HF Energy-175.998964
Nuclear repulsion energy111.614670
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 MP2/LANL2DZ
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 913 879 165.41 1.72 0.70 0.82
2 A 712 686 154.12 4.02 0.53 0.69
3 A 687 662 175.79 1.90 0.75 0.86
4 A 394 380 1.06 7.72 0.15 0.25
5 A 300 289 0.28 5.97 0.70 0.82
6 A 264 255 0.74 5.48 0.73 0.85
7 A 234 225 0.38 11.09 0.29 0.45
8 A 176 170 0.02 6.88 0.71 0.83
9 A 137 132 0.21 7.10 0.67 0.80

Unscaled Zero Point Vibrational Energy (zpe) 1908.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1838.4 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 MP2/LANL2DZ
ABC
0.05502 0.02421 0.01957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.413 0.470 0.327
F2 0.511 0.702 1.753
Cl3 0.716 2.120 -0.489
Br4 1.873 -0.843 -0.148
I5 -1.600 -0.295 -0.080

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.44851.86552.01962.1917
F21.44852.66062.80292.9686
Cl31.86552.66063.19853.3712
Br42.01962.80293.19853.5163
I52.19172.96863.37123.5163

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.123 F2 C1 Br4 106.678
F2 C1 I5 107.516 Cl3 C1 Br4 110.767
Cl3 C1 I5 112.138 Br4 C1 I5 113.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability