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All results from a given calculation for CHFClI (fluorochloroiodomethane)

using model chemistry: B2PLYP/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 B2PLYP/3-21G*
 hartrees
Energy at 0K-7485.495620
Energy at 298.15K 
HF Energy-7485.341749
Nuclear repulsion energy406.884710
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 B2PLYP/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 3193 3193 2.69 80.17 0.28 0.44
2 A 1347 1347 11.29 7.74 0.75 0.86
3 A 1243 1243 96.35 6.89 0.46 0.63
4 A 1083 1083 114.88 2.87 0.67 0.80
5 A 701 701 204.95 6.36 0.74 0.85
6 A 587 587 44.49 17.54 0.17 0.29
7 A 383 383 1.25 5.44 0.29 0.45
8 A 255 255 0.14 4.90 0.43 0.60
9 A 190 190 0.05 6.49 0.47 0.64

Unscaled Zero Point Vibrational Energy (zpe) 4491.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4491.1 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 B2PLYP/3-21G*
ABC
0.19989 0.04705 0.03908

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.012 0.481 0.435
H2 1.087 0.594 1.511
F3 1.301 1.674 -0.214
Cl4 2.186 -0.776 -0.074
I5 -1.057 -0.101 -0.018

Atom - Atom Distances (Å)
  C1 H2 F3 Cl4 I5
C11.08451.38881.79342.1967
H21.08452.04642.36562.7234
F31.38882.04642.60872.9585
Cl41.79342.36562.60873.3134
I52.19672.72342.95853.3134

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 108.021
H2 C1 I5 107.278 F3 C1 Cl4 109.468
F3 C1 I5 109.117 Cl4 C1 I5 111.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 H 0.274      
3 F -0.262      
4 Cl 0.005      
5 I 0.077      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.387 -0.110 1.339 1.398
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.312 0.346 2.241
y 0.346 -53.882 1.471
z 2.241 1.471 -50.646
Traceless
 xyz
x 0.952 0.346 2.241
y 0.346 -2.904 1.471
z 2.241 1.471 1.952
Polar
3z2-r23.903
x2-y22.570
xy0.346
xz2.241
yz1.471


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.668 -0.367 0.128
y -0.367 5.870 0.260
z 0.128 0.260 4.904


<r2> (average value of r2) Å2
<r2> 237.186
(<r2>)1/2 15.401