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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-1196.808296
Energy at 298.15K-1196.811595
HF Energy-1196.808296
Nuclear repulsion energy374.915339
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 PBEPBE/6-31G(2df,p)
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 3022 2991 0.28      
2 A 1341 1327 9.17      
3 A 1236 1223 6.67      
4 A 1106 1095 206.25      
5 A 1035 1025 42.34      
6 A 793 784 87.12      
7 A 438 434 3.48      
8 A 300 297 1.03      
9 A 155 154 0.46      
10 A 72 71 0.55      
11 B 3035 3004 13.23      
12 B 1295 1281 4.88      
13 B 1174 1162 28.34      
14 B 1078 1067 20.90      
15 B 778 770 98.82      
16 B 422 418 9.22      
17 B 371 367 5.43      
18 B 313 309 9.29      

Unscaled Zero Point Vibrational Energy (zpe) 8981.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 8888.7 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 PBEPBE/6-31G(2df,p)
ABC
0.09675 0.05950 0.03843

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.215 0.739 0.399
C2 0.215 -0.739 0.399
H3 -1.309 0.841 0.312
H4 1.309 -0.841 0.312
F5 0.215 1.293 1.562
F6 -0.215 -1.293 1.562
Cl7 0.526 1.602 -0.986
Cl8 -0.526 -1.602 -0.986

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53931.10202.19661.35822.34171.79292.7384
C21.53932.19661.10202.34171.35822.73841.7929
H31.10202.19663.11102.02272.70462.37292.8751
H42.19661.10203.11102.70462.02272.87512.3729
F51.35822.34172.02272.70462.62252.58603.9281
F62.34171.35822.70462.02272.62253.92812.5860
Cl71.79292.73842.37292.87512.58603.92813.3728
Cl82.73841.79292.87512.37293.92812.58603.3728

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 111.460 C1 C2 F6 107.668
C1 C2 Cl8 110.299 C2 C1 H3 111.460
C2 C1 F5 107.668 C2 C1 Cl7 110.299
H3 C1 F5 110.167 H3 C1 Cl7 107.714
H4 C2 F6 110.167 H4 C2 Cl8 107.714
F5 C1 Cl7 109.532 F6 C2 Cl8 109.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 C 0.033      
3 H 0.164      
4 H 0.164      
5 F -0.068      
6 F -0.068      
7 Cl -0.129      
8 Cl -0.129      


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 0.245 0.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.191 -2.233 0.000
y -2.233 -48.937 0.000
z 0.000 0.000 -48.622
Traceless
 xyz
x 4.588 -2.233 0.000
y -2.233 -2.530 0.000
z 0.000 0.000 -2.058
Polar
3z2-r2-4.116
x2-y24.746
xy-2.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.011 0.793 0.000
y 0.793 7.689 0.000
z 0.000 0.000 7.799


<r2> (average value of r2) Å2
<r2> 248.221
(<r2>)1/2 15.755