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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-1181.200452
Energy at 298.15K-1181.203787
HF Energy-1181.200452
Nuclear repulsion energy369.025086
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/STO-3G
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 3602 2941 0.31      
2 A 1624 1326 5.66      
3 A 1477 1206 52.02      
4 A 1353 1105 52.13      
5 A 1205 984 6.00      
6 A 956 780 37.81      
7 A 504 412 3.40      
8 A 295 241 0.26      
9 A 157 128 0.90      
10 A 62 51 1.62      
11 B 3605 2944 1.85      
12 B 1553 1268 13.10      
13 B 1392 1137 49.44      
14 B 1360 1111 3.48      
15 B 967 790 85.05      
16 B 464 379 15.26      
17 B 413 338 9.99      
18 B 348 285 15.15      

Unscaled Zero Point Vibrational Energy (zpe) 10669.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 8711.6 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/STO-3G
ABC
0.09352 0.05759 0.03724

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.209 0.761 0.417
C2 0.209 -0.761 0.417
H3 -1.301 0.858 0.298
H4 1.301 -0.858 0.298
F5 0.209 1.343 1.584
F6 -0.209 -1.343 1.584
Cl7 0.560 1.608 -1.003
Cl8 -0.560 -1.608 -1.003

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.57891.10252.21771.36952.40601.82412.7843
C21.57892.21771.10252.40601.36952.78431.8241
H31.10252.21773.11732.04242.77332.39162.8848
H42.21771.10253.11732.77332.04242.88482.3916
F51.36952.40602.04242.77332.71842.62463.9992
F62.40601.36952.77332.04242.71843.99922.6246
Cl71.82412.78432.39162.88482.62463.99923.4048
Cl82.78431.82412.88482.39163.99922.62463.4048

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 110.340 C1 C2 F6 109.173
C1 C2 Cl8 109.598 C2 C1 H3 110.340
C2 C1 F5 109.173 C2 C1 Cl7 109.598
H3 C1 F5 110.968 H3 C1 Cl7 107.015
H4 C2 F6 110.968 H4 C2 Cl8 107.015
F5 C1 Cl7 109.718 F6 C2 Cl8 109.718
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145      
2 C 0.145      
3 H 0.117      
4 H 0.117      
5 F -0.107      
6 F -0.107      
7 Cl -0.155      
8 Cl -0.155      


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 1.720 1.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.622 -3.412 0.000
y -3.412 -48.027 0.000
z 0.000 0.000 -47.127
Traceless
 xyz
x 5.955 -3.412 0.000
y -3.412 -3.652 0.000
z 0.000 0.000 -2.303
Polar
3z2-r2-4.606
x2-y26.405
xy-3.412
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.203 0.745 0.000
y 0.745 2.864 0.000
z 0.000 0.000 3.978


<r2> (average value of r2) Å2
<r2> 254.276
(<r2>)1/2 15.946