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All results from a given calculation for CCl2I2 (dichlorodiiodomethane)

using model chemistry: B3LYPultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/3-21G
 hartrees
Energy at 0K-14734.969756
Energy at 298.15K 
HF Energy-14734.969756
Nuclear repulsion energy1232.055845
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 B3LYPultrafine/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 632 609 146.73 10.76 0.48 0.65
2 A1 314 303 0.37 20.88 0.03 0.05
3 A1 194 187 0.16 12.27 0.31 0.47
4 A1 109 105 0.10 6.79 0.67 0.80
5 A2 147 142 0.00 5.58 0.75 0.86
6 B1 628 606 127.57 8.28 0.75 0.86
7 B1 185 178 0.42 8.63 0.75 0.86
8 B2 614 592 138.74 8.19 0.75 0.86
9 B2 220 212 0.29 9.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1521.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 1468.0 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 B3LYPultrafine/3-21G
ABC
0.03592 0.01646 0.01438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.613
Cl2 0.000 1.515 1.754
Cl3 0.000 -1.515 1.754
I4 1.845 0.000 -0.597
I5 -1.845 0.000 -0.597

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 I4 I5
C11.89671.89672.20622.2062
Cl21.89673.02963.35073.3507
Cl31.89673.02963.35073.3507
I42.20623.35073.35073.6892
I52.20623.35073.35073.6892

picture of dichlorodiiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 Cl3 106.006 Cl2 C1 I4 109.275
Cl2 C1 I5 109.275 Cl3 C1 I4 109.275
Cl3 C1 I5 109.275 I4 C1 I5 113.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.843      
2 Cl 0.097      
3 Cl 0.097      
4 I 0.324      
5 I 0.324      


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 -1.763 1.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -82.463 0.000 0.000
y 0.000 -90.002 0.000
z 0.000 0.000 -88.954
Traceless
 xyz
x 7.015 0.000 0.000
y 0.000 -4.293 0.000
z 0.000 0.000 -2.722
Polar
3z2-r2-5.444
x2-y27.539
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.000 0.000 0.000
y 0.000 8.342 0.000
z 0.000 0.000 10.108


<r2> (average value of r2) Å2
<r2> 637.819
(<r2>)1/2 25.255