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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-1194.721735
Energy at 298.15K-1194.725511
HF Energy-1194.721735
Nuclear repulsion energy379.477890
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/6-31G**
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 3328 3004 1.47      
2 A 1559 1407 12.97      
3 A 1440 1299 29.98      
4 A 1259 1137 233.00      
5 A 1185 1069 73.71      
6 A 914 825 97.47      
7 A 496 448 1.39      
8 A 343 310 1.75      
9 A 179 161 0.85      
10 A 88 79 0.90      
11 B 3339 3014 15.83      
12 B 1487 1342 10.36      
13 B 1363 1230 44.49      
14 B 1230 1110 28.05      
15 B 905 817 149.36      
16 B 472 426 16.35      
17 B 424 383 9.20      
18 B 365 329 15.43      

Unscaled Zero Point Vibrational Energy (zpe) 10187.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9195.0 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/6-31G**
ABC
0.10081 0.06002 0.03909

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.727 0.389
C2 0.223 -0.727 0.389
H3 -1.296 0.810 0.346
H4 1.296 -0.810 0.346
F5 0.223 1.269 1.533
F6 -0.223 -1.269 1.533
Cl7 0.465 1.622 -0.969
Cl8 -0.465 -1.622 -0.969

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52131.07742.16201.34222.30121.76572.7243
C21.52132.16201.07742.30121.34222.72431.7657
H31.07742.16203.05751.98182.62422.34312.8873
H42.16201.07743.05752.62421.98182.88732.3431
F51.34222.30121.98182.62422.57772.53813.8850
F62.30121.34222.62421.98182.57773.88502.5381
Cl71.76572.72432.34312.88732.53813.88503.3748
Cl82.72431.76572.88732.34313.88502.53813.3748

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 111.449 C1 C2 F6 106.789
C1 C2 Cl8 111.735 C2 C1 H3 111.449
C2 C1 F5 106.789 C2 C1 Cl7 111.735
H3 C1 F5 109.495 H3 C1 Cl7 108.573
H4 C2 F6 109.495 H4 C2 Cl8 108.573
F5 C1 Cl7 108.742 F6 C2 Cl8 108.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.195      
2 C 0.195      
3 H 0.192      
4 H 0.192      
5 F -0.356      
6 F -0.356      
7 Cl -0.030      
8 Cl -0.030      


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 -0.305 0.305
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.414 -2.732 0.000
y -2.732 -50.672 0.000
z 0.000 0.000 -50.705
Traceless
 xyz
x 6.275 -2.732 0.000
y -2.732 -3.112 0.000
z 0.000 0.000 -3.162
Polar
3z2-r2-6.325
x2-y26.258
xy-2.732
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.765 0.739 0.000
y 0.739 5.971 0.000
z 0.000 0.000 6.353


<r2> (average value of r2) Å2
<r2> 244.949
(<r2>)1/2 15.651