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

using model chemistry: B2PLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP/STO-3G
 hartrees
Energy at 0K-1182.955003
Energy at 298.15K-1182.957977
HF Energy-1182.894899
Nuclear repulsion energy362.993650
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 B2PLYP/STO-3G
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 3338 3338 0.44      
2 A 1470 1470 11.51      
3 A 1342 1342 29.99      
4 A 1242 1242 94.66      
5 A 1059 1059 3.84      
6 A 852 852 44.88      
7 A 457 457 5.65      
8 A 268 268 0.12      
9 A 140 140 0.73      
10 A 53 53 1.28      
11 B 3344 3344 0.47      
12 B 1418 1418 11.81      
13 B 1269 1269 36.92      
14 B 1247 1247 2.49      
15 B 851 851 69.52      
16 B 434 434 11.80      
17 B 377 377 5.96      
18 B 307 307 11.07      

Unscaled Zero Point Vibrational Energy (zpe) 9732.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9732.8 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 B2PLYP/STO-3G
ABC
0.08955 0.05598 0.03620

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.200 0.778 0.428
C2 0.200 -0.778 0.428
H3 -1.299 0.899 0.258
H4 1.299 -0.899 0.258
F5 0.200 1.364 1.614
F6 -0.200 -1.364 1.614
Cl7 0.642 1.602 -1.021
Cl8 -0.642 -1.602 -1.021

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.60731.11922.25641.38152.44901.86722.8219
C21.60732.25641.11922.44901.38152.82191.8672
H31.11922.25643.16042.07392.85862.42842.8857
H42.25641.11923.16042.85862.07392.88572.4284
F51.38152.44902.07392.85862.75812.68194.0560
F62.44901.38152.85862.07392.75814.05602.6819
Cl71.86722.82192.42842.88572.68194.05603.4522
Cl82.82191.86722.88572.42844.05602.68193.4522

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 110.418 C1 C2 F6 109.817
C1 C2 Cl8 108.386 C2 C1 H3 110.418
C2 C1 F5 109.817 C2 C1 Cl7 108.386
H3 C1 F5 111.634 H3 C1 Cl7 106.088
H4 C2 F6 111.634 H4 C2 Cl8 106.088
F5 C1 Cl7 110.392 F6 C2 Cl8 110.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.101      
2 C 0.101      
3 H 0.115      
4 H 0.115      
5 F -0.059      
6 F -0.059      
7 Cl -0.157      
8 Cl -0.157      


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 2.181 2.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.757 -3.309 0.000
y -3.309 -47.084 0.000
z 0.000 0.000 -45.706
Traceless
 xyz
x 4.638 -3.309 0.000
y -3.309 -3.352 0.000
z 0.000 0.000 -1.285
Polar
3z2-r2-2.570
x2-y25.327
xy-3.309
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.362 0.827 0.000
y 0.827 3.046 0.000
z 0.000 0.000 4.461


<r2> (average value of r2) Å2
<r2> 260.924
(<r2>)1/2 16.153