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All results from a given calculation for CCl3I (trichloroiodomethane)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-8302.399881
Energy at 298.15K 
HF Energy-8302.399881
Nuclear repulsion energy740.611745
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 B3LYP/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 A1 680 656 177.46 6.36 0.36 0.53
2 A1 360 347 0.09 23.13 0.01 0.02
3 A1 200 193 0.65 10.89 0.48 0.65
4 E 657 634 167.27 5.84 0.75 0.86
4 E 657 634 167.27 5.84 0.75 0.86
5 E 263 254 0.02 9.07 0.75 0.86
5 E 263 254 0.02 9.07 0.75 0.86
6 E 163 157 0.02 6.68 0.75 0.86
6 E 163 157 0.02 6.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1702.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 1642.9 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 B3LYP/3-21G
ABC
0.05268 0.02625 0.02625

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.740
I2 0.000 0.000 1.450
Cl3 0.000 1.747 -1.420
Cl4 1.513 -0.873 -1.420
Cl5 -1.513 -0.873 -1.420

Atom - Atom Distances (Å)
  C1 I2 Cl3 Cl4 Cl5
C12.19011.87431.87431.8743
I22.19013.35993.35993.3599
Cl31.87433.35993.02513.0251
Cl41.87433.35993.02513.0251
Cl51.87433.35993.02513.0251

picture of trichloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 C1 Cl3 111.278 I2 C1 Cl4 111.278
I2 C1 Cl5 111.278 Cl3 C1 Cl4 107.606
Cl3 C1 Cl5 107.606 Cl4 C1 Cl5 107.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.787      
2 I 0.363      
3 Cl 0.141      
4 Cl 0.141      
5 Cl 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.644 1.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -73.311 0.000 0.000
y 0.000 -73.311 0.000
z 0.000 0.000 -70.071
Traceless
 xyz
x -1.620 0.000 0.000
y 0.000 -1.620 0.000
z 0.000 0.000 3.241
Polar
3z2-r26.481
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.713 0.000 0.000
y 0.000 7.713 0.000
z 0.000 0.000 10.736


<r2> (average value of r2) Å2
<r2> 418.279
(<r2>)1/2 20.452