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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-1196.783872
Energy at 298.15K-1196.787172
HF Energy-1196.783872
Nuclear repulsion energy373.612035
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 PBEPBEultrafine/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 3048 2998 0.51      
2 A 1364 1341 9.84      
3 A 1269 1248 17.19      
4 A 1106 1088 206.01      
5 A 1049 1032 47.84      
6 A 797 784 99.38      
7 A 438 431 4.48      
8 A 302 297 1.10      
9 A 157 154 0.67      
10 A 76 75 0.54      
11 B 3060 3009 17.81      
12 B 1314 1293 6.09      
13 B 1205 1185 31.46      
14 B 1080 1062 24.06      
15 B 777 764 113.29      
16 B 420 413 10.03      
17 B 371 364 6.81      
18 B 318 313 10.91      

Unscaled Zero Point Vibrational Energy (zpe) 9074.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 8924.6 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 PBEPBEultrafine/6-31G*
ABC
0.09601 0.05921 0.03810

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.736 0.402
C2 0.223 -0.736 0.402
H3 -1.320 0.824 0.340
H4 1.320 -0.824 0.340
F5 0.223 1.292 1.570
F6 -0.223 -1.292 1.570
Cl7 0.485 1.621 -0.993
Cl8 -0.485 -1.621 -0.993

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53781.10202.19511.36842.34011.79792.7513
C21.53782.19511.10202.34011.36842.75131.7979
H31.10202.19513.11222.02822.68182.38182.9071
H42.19511.10203.11222.68182.02822.90712.3818
F51.36842.34012.02822.68182.62292.59683.9442
F62.34011.36842.68182.02822.62293.94422.5968
Cl71.79792.75132.38182.90712.59683.94423.3844
Cl82.75131.79792.90712.38183.94422.59683.3844

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 111.447 C1 C2 F6 107.115
C1 C2 Cl8 110.892 C2 C1 H3 111.447
C2 C1 F5 107.115 C2 C1 Cl7 110.892
H3 C1 F5 109.902 H3 C1 Cl7 108.027
H4 C2 F6 109.902 H4 C2 Cl8 108.027
F5 C1 Cl7 109.449 F6 C2 Cl8 109.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.013      
2 C 0.013      
3 H 0.217      
4 H 0.217      
5 F -0.219      
6 F -0.219      
7 Cl -0.011      
8 Cl -0.011      


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 0.203 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.298 -2.257 0.000
y -2.257 -49.424 0.000
z 0.000 0.000 -48.829
Traceless
 xyz
x 4.829 -2.257 0.000
y -2.257 -2.860 0.000
z 0.000 0.000 -1.968
Polar
3z2-r2-3.937
x2-y25.126
xy-2.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.133 0.804 0.000
y 0.804 6.729 0.000
z 0.000 0.000 7.175


<r2> (average value of r2) Å2
<r2> 249.977
(<r2>)1/2 15.811