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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-7486.729496
Energy at 298.15K 
HF Energy-7486.729496
Nuclear repulsion energy402.918172
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 mPW1PW91/3-21G
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 3203 3058 3.18 95.56 0.26 0.42
2 A 1330 1269 17.83 7.52 0.75 0.86
3 A 1214 1159 102.86 7.82 0.68 0.81
4 A 1133 1082 154.45 2.51 0.75 0.86
5 A 668 638 237.85 10.08 0.59 0.74
6 A 582 556 31.64 16.10 0.25 0.39
7 A 361 345 3.40 7.95 0.33 0.49
8 A 267 255 0.20 5.52 0.61 0.76
9 A 183 175 0.44 9.63 0.55 0.71

Unscaled Zero Point Vibrational Energy (zpe) 4470.8 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 4267.8 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 mPW1PW91/3-21G
ABC
0.19458 0.04606 0.03819

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.977 0.529 0.434
H2 1.084 0.626 1.510
F3 1.275 1.696 -0.220
Cl4 2.236 -0.776 -0.070
I5 -1.065 -0.111 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08551.36991.88222.1874
H21.08552.04252.40582.7376
F31.36992.04252.65662.9634
Cl41.88222.40582.65663.3682
I52.18742.73762.96343.3682

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 112.060 H2 C1 Cl4 105.133
H2 C1 I5 108.808 F3 C1 Cl4 108.522
F3 C1 I5 110.720 Cl4 C1 I5 111.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.337      
2 H 0.320      
3 F -0.240      
4 Cl 0.024      
5 I 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.930 0.317 1.575 1.856
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.249 1.258 2.218
y 1.258 -53.772 1.394
z 2.218 1.394 -50.454
Traceless
 xyz
x -1.136 1.258 2.218
y 1.258 -1.920 1.394
z 2.218 1.394 3.056
Polar
3z2-r26.112
x2-y20.523
xy1.258
xz2.218
yz1.394


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.197 -0.338 0.230
y -0.338 4.429 0.414
z 0.230 0.414 3.068


<r2> (average value of r2) Å2
<r2> 242.259
(<r2>)1/2 15.565