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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-1197.314557
Energy at 298.15K-1197.317888
HF Energy-1197.314557
Nuclear repulsion energy369.345208
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 mPW1PW91/6-31G
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 3219 3047 0.57      
2 A 1415 1339 1.84      
3 A 1309 1239 14.16      
4 A 1156 1094 47.40      
5 A 1065 1008 162.23      
6 A 799 756 85.91      
7 A 434 411 3.27      
8 A 299 283 1.64      
9 A 159 151 1.38      
10 A 76 72 1.01      
11 B 3232 3059 2.57      
12 B 1345 1274 6.65      
13 B 1260 1192 23.25      
14 B 1066 1009 16.08      
15 B 779 737 115.53      
16 B 413 391 17.48      
17 B 367 347 11.76      
18 B 325 308 16.71      

Unscaled Zero Point Vibrational Energy (zpe) 9358.1 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 8858.4 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 mPW1PW91/6-31G
ABC
0.09302 0.05845 0.03727

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.237 0.718 0.417
C2 0.237 -0.718 0.417
H3 -1.319 0.808 0.374
H4 1.319 -0.808 0.374
F5 0.237 1.311 1.593
F6 -0.237 -1.311 1.593
Cl7 0.465 1.637 -1.012
Cl8 -0.465 -1.637 -1.012

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51181.08612.17991.40012.34481.83832.7635
C21.51182.17991.08612.34481.40012.76351.8383
H31.08612.17993.09362.03922.67322.40612.9379
H42.17991.08613.09362.67322.03922.93792.4061
F51.40012.34482.03922.67322.66432.63543.9960
F62.34481.40012.67322.03922.66433.99602.6354
Cl71.83832.76352.40612.93792.63543.99603.4027
Cl82.76351.83832.93792.40613.99602.63543.4027

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 113.070 C1 C2 F6 107.208
C1 C2 Cl8 110.782 C2 C1 H3 113.070
C2 C1 F5 107.208 C2 C1 Cl7 110.782
H3 C1 F5 109.565 H3 C1 Cl7 107.941
H4 C2 F6 109.565 H4 C2 Cl8 107.941
F5 C1 Cl7 108.172 F6 C2 Cl8 108.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C -0.053      
3 H 0.266      
4 H 0.266      
5 F -0.288      
6 F -0.288      
7 Cl 0.074      
8 Cl 0.074      


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 -0.390 0.390
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.234 -3.208 0.000
y -3.208 -51.471 0.000
z 0.000 0.000 -51.812
Traceless
 xyz
x 7.408 -3.208 0.000
y -3.208 -3.448 0.000
z 0.000 0.000 -3.960
Polar
3z2-r2-7.920
x2-y27.237
xy-3.208
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.285 0.962 0.000
y 0.962 5.838 0.000
z 0.000 0.000 6.930


<r2> (average value of r2) Å2
<r2> 255.595
(<r2>)1/2 15.987