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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-7518.724804
Energy at 298.15K 
HF Energy-7518.724804
Nuclear repulsion energy412.772750
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 mPW1PW91/6-311G**
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 3184 3046 1.98      
2 A 1343 1285 16.37      
3 A 1210 1157 97.75      
4 A 1121 1072 219.50      
5 A 773 739 225.65      
6 A 591 565 54.40      
7 A 423 405 0.57      
8 A 273 262 0.14      
9 A 194 186 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4555.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 4358.2 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 mPW1PW91/6-311G**
ABC
0.21111 0.04792 0.04003

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.003 0.474 0.414
H2 1.071 0.608 1.488
F3 1.277 1.629 -0.210
Cl4 2.172 -0.753 -0.070
I5 -1.047 -0.100 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08481.34051.76322.1723
H21.08481.99182.34392.6933
F31.34051.99182.54822.9039
Cl41.76322.34392.54823.2857
I52.17232.69332.90393.2857

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.978 H2 C1 Cl4 108.415
H2 C1 I5 106.750 F3 C1 Cl4 109.629
F3 C1 I5 109.216 Cl4 C1 I5 112.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 H 0.218      
3 F -0.174      
4 Cl -0.013      
5 I 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.167 -0.057 1.278 1.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.226 0.317 1.995
y 0.317 -53.355 1.386
z 1.995 1.386 -50.662
Traceless
 xyz
x 0.782 0.317 1.995
y 0.317 -2.411 1.386
z 1.995 1.386 1.628
Polar
3z2-r23.257
x2-y22.129
xy0.317
xz1.995
yz1.386


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.102 -0.395 0.138
y -0.395 5.891 0.348
z 0.138 0.348 4.828


<r2> (average value of r2) Å2
<r2> 232.067
(<r2>)1/2 15.234