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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-90.733171
Energy at 298.15K-90.736526
HF Energy-90.733171
Nuclear repulsion energy135.071711
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/CEP-121G*
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 3125 3030 0.35      
2 A 1401 1359 7.75      
3 A 1296 1256 15.60      
4 A 1105 1071 178.14      
5 A 1050 1018 116.95      
6 A 813 788 104.61      
7 A 443 430 1.86      
8 A 303 293 1.37      
9 A 160 155 0.62      
10 A 72 70 0.65      
11 B 3136 3040 18.29      
12 B 1343 1301 7.03      
13 B 1228 1191 35.87      
14 B 1063 1031 31.41      
15 B 800 776 110.81      
16 B 423 410 13.63      
17 B 377 365 8.03      
18 B 322 312 11.21      

Unscaled Zero Point Vibrational Energy (zpe) 9229.9 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 8947.5 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/CEP-121G*
ABC
0.09553 0.05847 0.03772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.739 0.404
C2 0.226 -0.739 0.404
H3 -1.315 0.832 0.359
H4 1.315 -0.832 0.359
F5 0.226 1.313 1.572
F6 -0.226 -1.313 1.572
Cl7 0.484 1.627 -0.996
Cl8 -0.484 -1.627 -0.996

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54621.09322.20161.37812.36181.80392.7620
C21.54622.20161.09322.36181.37812.76201.8039
H31.09322.20163.11212.01952.69482.38782.9289
H42.20161.09323.11212.69482.01952.92892.3878
F51.37812.36182.01952.69482.66562.60053.9687
F62.36181.37812.69482.01952.66563.96872.6005
Cl71.80392.76202.38782.92892.60053.96873.3954
Cl82.76201.80392.92892.38783.96872.60053.3954

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.904 C1 C2 F6 107.590
C1 C2 Cl8 110.828 C2 C1 H3 111.904
C2 C1 F5 107.590 C2 C1 Cl7 110.828
H3 C1 F5 109.061 H3 C1 Cl7 108.516
H4 C2 F6 109.061 H4 C2 Cl8 108.516
F5 C1 Cl7 108.885 F6 C2 Cl8 108.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.093      
2 C 0.093      
3 H 0.209      
4 H 0.209      
5 F -0.226      
6 F -0.226      
7 Cl -0.075      
8 Cl -0.075      


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 -0.496 0.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.193 -2.453 0.000
y -2.453 -48.804 0.000
z 0.000 0.000 -49.031
Traceless
 xyz
x 5.725 -2.453 0.000
y -2.453 -2.692 0.000
z 0.000 0.000 -3.033
Polar
3z2-r2-6.066
x2-y25.611
xy-2.453
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.597 0.737 0.000
y 0.737 7.161 0.000
z 0.000 0.000 7.691


<r2> (average value of r2) Å2
<r2> 154.279
(<r2>)1/2 12.421