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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-7445.203275
Energy at 298.15K 
HF Energy-7445.203275
Nuclear repulsion energy403.116705
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/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 3322 2920 1.76 43.60 0.38 0.55
2 A 1398 1229 56.12 4.99 0.75 0.86
3 A 1270 1116 70.53 7.16 0.75 0.86
4 A 1263 1110 82.88 3.63 0.74 0.85
5 A 798 702 162.12 8.79 0.51 0.68
6 A 632 556 38.13 11.66 0.22 0.36
7 A 413 363 5.24 4.66 0.31 0.47
8 A 295 260 0.95 4.02 0.59 0.75
9 A 194 170 1.27 5.63 0.56 0.72

Unscaled Zero Point Vibrational Energy (zpe) 4792.7 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 4212.3 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/STO-3G
ABC
0.19360 0.04620 0.03819

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.975 0.526 0.409
H2 1.079 0.614 1.518
F3 1.304 1.700 -0.211
Cl4 2.222 -0.788 -0.067
I5 -1.065 -0.107 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.11781.36751.87302.1787
H21.11782.05392.40552.7345
F31.36752.05392.65562.9865
Cl41.87302.40552.65563.3577
I52.17872.73452.98653.3577

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.067 H2 C1 Cl4 104.224
H2 C1 I5 107.705 F3 C1 Cl4 109.078
F3 C1 I5 112.731 Cl4 C1 I5 111.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.009      
2 H 0.129      
3 F -0.032      
4 Cl -0.159      
5 I 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.449 1.465 1.160 1.921
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.223 2.355 1.391
y 2.355 -48.391 0.746
z 1.391 0.746 -46.636
Traceless
 xyz
x -3.709 2.355 1.391
y 2.355 0.538 0.746
z 1.391 0.746 3.171
Polar
3z2-r26.342
x2-y2-2.831
xy2.355
xz1.391
yz0.746


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.691 -0.032 0.209
y -0.032 2.394 0.259
z 0.209 0.259 1.211


<r2> (average value of r2) Å2
<r2> 239.746
(<r2>)1/2 15.484