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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.910629
Energy at 298.15K-1194.914399
HF Energy-1194.910629
Nuclear repulsion energy379.929949
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/aug-cc-pVTZ
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 3294 2999 0.36      
2 A 1547 1409 10.82      
3 A 1422 1294 14.60      
4 A 1248 1136 235.00      
5 A 1165 1060 81.37      
6 A 901 820 98.05      
7 A 494 449 1.10      
8 A 337 307 1.73      
9 A 178 162 0.42      
10 A 85 77 0.77      
11 B 3307 3010 10.29      
12 B 1476 1344 8.84      
13 B 1350 1229 33.20      
14 B 1213 1104 32.28      
15 B 894 814 124.52      
16 B 473 430 14.33      
17 B 423 385 7.76      
18 B 360 328 11.89      

Unscaled Zero Point Vibrational Energy (zpe) 10082.0 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 9178.7 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 HF/aug-cc-pVTZ
ABC
0.10065 0.06038 0.03925

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.219 0.729 0.398
C2 0.219 -0.729 0.398
H3 -1.290 0.819 0.346
H4 1.290 -0.819 0.346
F5 0.219 1.285 1.530
F6 -0.219 -1.285 1.530
Cl7 0.479 1.604 -0.971
Cl8 -0.479 -1.604 -0.971

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52321.07602.16241.33482.31091.76782.7178
C21.52322.16241.07602.31091.33482.71781.7678
H31.07602.16243.05571.97352.64102.34082.8746
H42.16241.07603.05572.64101.97352.87462.3408
F51.33482.31091.97352.64102.60752.53433.8844
F62.31091.33482.64101.97352.60753.88442.5343
Cl71.76782.71782.34082.87462.53433.88443.3479
Cl82.71781.76782.87462.34083.88442.53433.3479

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 111.443 C1 C2 F6 107.733
C1 C2 Cl8 111.132 C2 C1 H3 111.443
C2 C1 F5 107.733 C2 C1 Cl7 111.132
H3 C1 F5 109.420 H3 C1 Cl7 108.331
H4 C2 F6 109.420 H4 C2 Cl8 108.331
F5 C1 Cl7 108.738 F6 C2 Cl8 108.738
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.363      
2 C 0.363      
3 H 0.343      
4 H 0.343      
5 F -0.446      
6 F -0.446      
7 Cl -0.261      
8 Cl -0.261      


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 -0.396 0.396
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.578 -2.656 0.000
y -2.656 -50.389 0.000
z 0.000 0.000 -50.936
Traceless
 xyz
x 6.084 -2.656 0.000
y -2.656 -2.631 0.000
z 0.000 0.000 -3.453
Polar
3z2-r2-6.905
x2-y25.810
xy-2.656
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.671 0.648 0.000
y 0.648 8.139 0.000
z 0.000 0.000 8.071


<r2> (average value of r2) Å2
<r2> 244.190
(<r2>)1/2 15.627