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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-1191.453889
Energy at 298.15K-1191.456836
HF Energy-1191.453889
Nuclear repulsion energy361.644712
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 BLYP/3-21G
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 3086 3069 0.58      
2 A 1367 1360 3.50      
3 A 1227 1221 12.65      
4 A 1087 1081 173.09      
5 A 996 991 32.52      
6 A 694 690 77.97      
7 A 372 370 11.47      
8 A 265 263 0.77      
9 A 145 145 1.52      
10 A 68 68 0.68      
11 B 3099 3082 7.22      
12 B 1306 1299 0.85      
13 B 1171 1165 32.45      
14 B 1051 1046 8.35      
15 B 663 659 111.88      
16 B 381 379 18.43      
17 B 323 321 11.55      
18 B 287 286 8.09      

Unscaled Zero Point Vibrational Energy (zpe) 8794.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8745.7 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 BLYP/3-21G
ABC
0.08663 0.05712 0.03603

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.733 0.460
C2 0.224 -0.733 0.460
H3 -1.302 0.854 0.313
H4 1.302 -0.854 0.313
F5 0.224 1.342 1.636
F6 -0.224 -1.342 1.636
Cl7 0.606 1.605 -1.047
Cl8 -0.606 -1.605 -1.047

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53311.09442.20621.39762.38481.92922.8080
C21.53312.20621.09442.38481.39762.80801.9292
H31.09442.20623.11342.07742.78042.46112.8946
H42.20621.09443.11342.78042.07742.89462.4611
F51.39762.38482.07742.78042.72052.72314.0707
F62.38481.39762.78042.07742.72054.07072.7231
Cl71.92922.80802.46112.89462.72314.07073.4311
Cl82.80801.92922.89462.46114.07072.72313.4311

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 113.144 C1 C2 F6 108.832
C1 C2 Cl8 107.839 C2 C1 H3 113.144
C2 C1 F5 108.832 C2 C1 Cl7 107.839
H3 C1 F5 112.371 H3 C1 Cl7 105.620
H4 C2 F6 112.371 H4 C2 Cl8 105.620
F5 C1 Cl7 108.822 F6 C2 Cl8 108.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C -0.055      
3 H 0.271      
4 H 0.271      
5 F -0.202      
6 F -0.202      
7 Cl -0.014      
8 Cl -0.014      


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 1.094 1.094
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.134 -3.418 0.000
y -3.418 -51.599 0.000
z 0.000 0.000 -50.470
Traceless
 xyz
x 5.900 -3.418 0.000
y -3.418 -3.797 0.000
z 0.000 0.000 -2.103
Polar
3z2-r2-4.206
x2-y26.465
xy-3.418
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.391 1.201 0.000
y 1.201 5.857 0.000
z 0.000 0.000 7.266


<r2> (average value of r2) Å2
<r2> 264.117
(<r2>)1/2 16.252