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

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-1197.530157
Energy at 298.15K-1197.533379
HF Energy-1197.530157
Nuclear repulsion energy370.197792
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 BLYP/6-311G*
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 3048 3041 0.49      
2 A 1359 1356 5.48      
3 A 1263 1259 12.37      
4 A 1048 1045 126.34      
5 A 1007 1004 140.92      
6 A 762 760 126.66      
7 A 421 420 5.40      
8 A 300 299 1.54      
9 A 158 158 0.71      
10 A 71 71 0.56      
11 B 3060 3052 16.71      
12 B 1312 1309 7.91      
13 B 1201 1198 38.16      
14 B 1005 1003 28.39      
15 B 742 740 118.03      
16 B 412 411 12.13      
17 B 364 363 7.68      
18 B 311 310 9.14      

Unscaled Zero Point Vibrational Energy (zpe) 8921.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 8898.9 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 BLYP/6-311G*
ABC
0.09441 0.05800 0.03734

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.737 0.411
C2 0.226 -0.737 0.411
H3 -1.316 0.834 0.360
H4 1.316 -0.834 0.360
F5 0.226 1.313 1.581
F6 -0.226 -1.313 1.581
Cl7 0.482 1.639 -1.003
Cl8 -0.482 -1.639 -1.003

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54181.09552.20231.38042.36031.82052.7765
C21.54182.20231.09552.36031.38042.77651.8205
H31.09552.20233.11652.02462.69992.39532.9445
H42.20231.09553.11652.69992.02462.94452.3953
F51.38042.36032.02462.69992.66442.61733.9865
F62.36031.38042.69992.02462.66443.98652.6173
Cl71.82052.77652.39532.94452.61733.98653.4160
Cl82.77651.82052.94452.39533.98652.61733.4160

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 112.133 C1 C2 F6 107.620
C1 C2 Cl8 111.068 C2 C1 H3 112.133
C2 C1 F5 107.620 C2 C1 Cl7 111.068
H3 C1 F5 109.176 H3 C1 Cl7 107.860
H4 C2 F6 109.176 H4 C2 Cl8 107.860
F5 C1 Cl7 108.934 F6 C2 Cl8 108.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 C -0.034      
3 H 0.261      
4 H 0.261      
5 F -0.185      
6 F -0.185      
7 Cl -0.042      
8 Cl -0.042      


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 -0.092 0.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.462 -2.501 0.000
y -2.501 -51.440 0.000
z 0.000 0.000 -50.631
Traceless
 xyz
x 5.574 -2.501 0.000
y -2.501 -3.394 0.000
z 0.000 0.000 -2.180
Polar
3z2-r2-4.360
x2-y25.979
xy-2.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.171 0.868 0.000
y 0.868 7.024 0.000
z 0.000 0.000 7.660


<r2> (average value of r2) Å2
<r2> 255.345
(<r2>)1/2 15.980