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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-1194.904400
Energy at 298.15K-1194.908164
HF Energy-1194.904400
Nuclear repulsion energy380.306153
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 HF/Def2TZVPP
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 3296 2988 0.47      
2 A 1547 1402 11.25      
3 A 1424 1291 15.72      
4 A 1249 1132 241.48      
5 A 1164 1055 79.33      
6 A 905 820 97.39      
7 A 496 449 1.03      
8 A 338 307 1.75      
9 A 178 162 0.52      
10 A 84 76 0.77      
11 B 3309 3000 12.55      
12 B 1478 1339 9.37      
13 B 1351 1225 34.98      
14 B 1215 1101 33.76      
15 B 899 815 126.75      
16 B 473 429 14.56      
17 B 425 385 8.03      
18 B 361 327 12.14      

Unscaled Zero Point Vibrational Energy (zpe) 10095.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 9150.4 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 HF/Def2TZVPP
ABC
0.10090 0.06049 0.03932

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.242 0.720 0.411
C2 0.242 -0.720 0.411
H3 -1.310 0.807 0.426
H4 1.310 -0.807 0.426
F5 0.242 1.305 1.516
F6 -0.242 -1.305 1.516
Cl7 0.356 1.648 -0.973
Cl8 -0.356 -1.648 -0.973

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51961.07172.17711.34002.30671.77042.7457
C21.51962.17711.07172.30671.34002.74571.7704
H31.07172.17713.07681.96042.60522.33262.9822
H42.17711.07173.07682.60521.96042.98222.3326
F51.34002.30671.96042.60522.65362.51513.9079
F62.30671.34002.60521.96042.65363.90792.5151
Cl71.77042.74572.33262.98222.51513.90793.3727
Cl82.74571.77042.98222.33263.90792.51513.3727

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 113.174 C1 C2 F6 107.375
C1 C2 Cl8 112.921 C2 C1 H3 113.174
C2 C1 F5 107.375 C2 C1 Cl7 112.921
H3 C1 F5 108.235 H3 C1 Cl7 107.768
H4 C2 F6 108.235 H4 C2 Cl8 107.768
F5 C1 Cl7 107.109 F6 C2 Cl8 107.109
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.289      
2 C 0.289      
3 H 0.066      
4 H 0.066      
5 F -0.242      
6 F -0.242      
7 Cl -0.113      
8 Cl -0.113      


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 -0.437 0.437
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.409 -2.600 0.000
y -2.600 -50.203 0.000
z 0.000 0.000 -50.738
Traceless
 xyz
x 6.061 -2.600 0.000
y -2.600 -2.630 0.000
z 0.000 0.000 -3.432
Polar
3z2-r2-6.863
x2-y25.794
xy-2.600
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.789 0.694 0.000
y 0.694 7.140 0.000
z 0.000 0.000 7.356


<r2> (average value of r2) Å2
<r2> 243.661
(<r2>)1/2 15.610