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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G*
 hartrees
Energy at 0K-7485.698668
Energy at 298.15K 
HF Energy-7485.698668
Nuclear repulsion energy409.737916
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 HSEh1PBE/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 3177 3050 2.22 80.89 0.28 0.44
2 A 1335 1282 8.81 7.45 0.75 0.86
3 A 1235 1186 82.52 6.66 0.45 0.62
4 A 1103 1058 120.27 2.16 0.70 0.83
5 A 717 688 211.33 5.20 0.74 0.85
6 A 596 572 43.99 16.25 0.16 0.28
7 A 390 374 1.06 4.88 0.31 0.47
8 A 259 248 0.16 4.46 0.43 0.60
9 A 192 184 0.05 6.22 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 4501.4 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 4320.9 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 HSEh1PBE/3-21G*
ABC
0.20177 0.04781 0.03966

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.005 0.478 0.430
H2 1.078 0.590 1.510
F3 1.295 1.666 -0.213
Cl4 2.167 -0.774 -0.074
I5 -1.049 -0.100 -0.017

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08781.38131.78092.1798
H21.08782.04212.35632.7079
F31.38132.04212.59422.9413
Cl41.78092.35632.59423.2862
I52.17982.70792.94133.2862

picture of fluorochloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.043 H2 C1 Cl4 107.997
H2 C1 I5 107.140 F3 C1 Cl4 109.598
F3 C1 I5 109.309 Cl4 C1 I5 111.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 H 0.300      
3 F -0.252      
4 Cl 0.028      
5 I 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.392 -0.115 1.318 1.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.887 0.340 2.215
y 0.340 -53.535 1.455
z 2.215 1.455 -50.379
Traceless
 xyz
x 1.069 0.340 2.215
y 0.340 -2.902 1.455
z 2.215 1.455 1.832
Polar
3z2-r23.664
x2-y22.647
xy0.340
xz2.215
yz1.455


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.653 -0.384 0.121
y -0.384 5.917 0.261
z 0.121 0.261 4.968


<r2> (average value of r2) Å2
<r2> 233.987
(<r2>)1/2 15.297