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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-10046.595350
Energy at 298.15K 
HF Energy-10046.595350
Nuclear repulsion energy895.726194
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 PBEPBE/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 1057 1007 105.92 1.61 0.74 0.85
2 A 682 650 226.15 2.85 0.52 0.68
3 A 663 632 267.43 6.22 0.57 0.73
4 A 410 391 3.04 9.63 0.04 0.08
5 A 299 285 0.27 3.61 0.62 0.76
6 A 253 241 0.02 3.71 0.75 0.86
7 A 232 221 0.06 8.84 0.20 0.33
8 A 167 159 0.02 4.38 0.61 0.76
9 A 127 121 0.06 3.81 0.58 0.74

Unscaled Zero Point Vibrational Energy (zpe) 1944.1 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 1853.7 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 PBEPBE/3-21G*
ABC
0.05768 0.02543 0.02068

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 0.479 0.369
F2 0.547 0.717 1.731
Cl3 0.775 2.027 -0.512
Br4 1.784 -0.855 -0.145
I5 -1.571 -0.262 -0.075

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.38571.80931.95082.2042
F21.38572.60712.74262.9514
Cl31.80932.60713.07543.3067
Br41.95082.74263.07543.4080
I52.20422.95143.30673.4080

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.645 F2 C1 Br4 109.400
F2 C1 I5 108.438 Cl3 C1 Br4 109.691
Cl3 C1 I5 110.569 Br4 C1 I5 110.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.081      
2 F -0.189      
3 Cl 0.073      
4 Br 0.061      
5 I 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.171 -0.598 -0.363 0.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -65.249 -0.237 -0.010
y -0.237 -68.440 0.049
z -0.010 0.049 -70.169
Traceless
 xyz
x 4.056 -0.237 -0.010
y -0.237 -0.731 0.049
z -0.010 0.049 -3.325
Polar
3z2-r2-6.649
x2-y23.191
xy-0.237
xz-0.010
yz0.049


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.181 0.296 -0.166
y 0.296 9.812 -0.363
z -0.166 -0.363 6.765


<r2> (average value of r2) Å2
<r2> 437.195
(<r2>)1/2 20.909