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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-89.099863
Energy at 298.15K-89.103457
HF Energy-89.099863
Nuclear repulsion energy134.339153
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/CEP-121G
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 3355 3062 0.19      
2 A 1524 1391 7.04      
3 A 1405 1282 22.76      
4 A 1225 1118 66.77      
5 A 1115 1017 222.47      
6 A 865 789 89.58      
7 A 464 424 0.74      
8 A 318 291 2.52      
9 A 170 155 1.60      
10 A 75 68 1.53      
11 B 3364 3070 4.95      
12 B 1435 1310 8.97      
13 B 1351 1233 36.79      
14 B 1120 1022 25.08      
15 B 851 776 135.29      
16 B 439 400 26.76      
17 B 395 360 14.35      
18 B 349 318 22.43      

Unscaled Zero Point Vibrational Energy (zpe) 9909.4 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 9042.3 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/CEP-121G
ABC
0.09465 0.05759 0.03714

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.240 0.727 0.410
C2 0.240 -0.727 0.410
H3 -1.312 0.813 0.391
H4 1.312 -0.813 0.391
F5 0.240 1.321 1.580
F6 -0.240 -1.321 1.580
Cl7 0.443 1.655 -1.004
Cl8 -0.443 -1.655 -1.004

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53061.07502.18631.39692.35781.82492.7776
C21.53062.18631.07502.35781.39692.77761.8249
H31.07502.18633.08662.01982.66742.39472.9654
H42.18631.07503.08662.66742.01982.96542.3947
F51.39692.35782.01982.66742.68492.61314.0000
F62.35781.39692.66742.01982.68494.00002.6131
Cl71.82492.77762.39472.96542.61314.00003.4273
Cl82.77761.82492.96542.39474.00002.61313.4273

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 112.919 C1 C2 F6 107.205
C1 C2 Cl8 111.442 C2 C1 H3 112.919
C2 C1 F5 107.205 C2 C1 Cl7 111.442
H3 C1 F5 108.895 H3 C1 Cl7 108.556
H4 C2 F6 108.895 H4 C2 Cl8 108.556
F5 C1 Cl7 107.661 F6 C2 Cl8 107.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.000      
2 C -0.000      
3 H 0.233      
4 H 0.233      
5 F -0.274      
6 F -0.274      
7 Cl 0.041      
8 Cl 0.041      


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 -0.932 0.932
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.437 -3.911 0.000
y -3.911 -52.152 0.000
z 0.000 0.000 -53.284
Traceless
 xyz
x 9.281 -3.911 0.000
y -3.911 -3.791 0.000
z 0.000 0.000 -5.490
Polar
3z2-r2-10.981
x2-y28.715
xy-3.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.382 0.911 0.000
y 0.911 5.772 0.000
z 0.000 0.000 7.006


<r2> (average value of r2) Å2
<r2> 157.484
(<r2>)1/2 12.549