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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1194.736378
Energy at 298.15K-1194.740148
HF Energy-1194.736378
Nuclear repulsion energy379.326820
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/6-31+G**
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 3334 3014 0.53      
2 A 1549 1400 10.46      
3 A 1433 1296 26.01      
4 A 1245 1125 213.45      
5 A 1174 1062 114.21      
6 A 913 825 100.88      
7 A 498 450 0.70      
8 A 340 308 1.86      
9 A 179 162 0.66      
10 A 86 78 0.87      
11 B 3345 3025 9.21      
12 B 1475 1333 10.62      
13 B 1362 1232 37.49      
14 B 1207 1092 33.88      
15 B 907 820 138.34      
16 B 469 424 15.89      
17 B 425 384 10.00      
18 B 365 330 14.71      

Unscaled Zero Point Vibrational Energy (zpe) 10152.2 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 9179.6 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/6-31+G**
ABC
0.10065 0.06011 0.03908

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.727 0.393
C2 0.226 -0.727 0.393
H3 -1.300 0.809 0.364
H4 1.300 -0.809 0.364
F5 0.226 1.282 1.532
F6 -0.226 -1.282 1.532
Cl7 0.448 1.619 -0.971
Cl8 -0.448 -1.619 -0.971

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52331.07732.16521.34522.30981.76402.7237
C21.52332.16521.07732.30981.34522.72371.7640
H31.07732.16523.06161.97872.62472.34422.8993
H42.16521.07733.06162.62471.97872.89932.3442
F51.34522.30981.97872.62472.60322.53633.8911
F62.30981.34522.62471.97872.60323.89112.5363
Cl71.76402.72372.34422.89932.53633.89113.3603
Cl82.72371.76402.89932.34423.89112.53633.3603

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 111.577 C1 C2 F6 107.105
C1 C2 Cl8 111.695 C2 C1 H3 111.577
C2 C1 F5 107.105 C2 C1 Cl7 111.695
H3 C1 F5 109.035 H3 C1 Cl7 108.771
H4 C2 F6 109.035 H4 C2 Cl8 108.771
F5 C1 Cl7 108.575 F6 C2 Cl8 108.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.111      
2 C 0.111      
3 H 0.197      
4 H 0.197      
5 F -0.312      
6 F -0.312      
7 Cl 0.004      
8 Cl 0.004      


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 -0.587 0.587
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.760 -2.799 0.000
y -2.799 -51.102 0.000
z 0.000 0.000 -51.750
Traceless
 xyz
x 6.666 -2.799 0.000
y -2.799 -2.847 0.000
z 0.000 0.000 -3.819
Polar
3z2-r2-7.638
x2-y26.342
xy-2.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.622 0.671 0.000
y 0.671 6.867 0.000
z 0.000 0.000 7.180


<r2> (average value of r2) Å2
<r2> 245.333
(<r2>)1/2 15.663