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

using model chemistry: TPSSh/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 TPSSh/3-21G*
 hartrees
Energy at 0K-1191.781296
Energy at 298.15K-1191.784502
HF Energy-1191.781296
Nuclear repulsion energy372.239546
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 TPSSh/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 3142 3034 1.57      
2 A 1403 1355 0.77      
3 A 1304 1259 19.80      
4 A 1098 1061 133.69      
5 A 1034 999 39.80      
6 A 773 746 95.04      
7 A 419 404 5.61      
8 A 278 268 1.02      
9 A 155 150 1.52      
10 A 75 72 0.63      
11 B 3157 3049 9.16      
12 B 1340 1294 3.01      
13 B 1258 1215 23.20      
14 B 1066 1029 13.20      
15 B 738 713 117.17      
16 B 393 379 7.85      
17 B 351 339 17.64      
18 B 324 313 11.62      

Unscaled Zero Point Vibrational Energy (zpe) 9153.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 8839.8 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 TPSSh/3-21G*
ABC
0.09323 0.06042 0.03807

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.243 0.726 0.416
C2 0.243 -0.726 0.416
H3 -1.330 0.781 0.374
H4 1.330 -0.781 0.374
F5 0.243 1.318 1.592
F6 -0.243 -1.318 1.592
Cl7 0.427 1.600 -1.012
Cl8 -0.427 -1.600 -1.012

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53151.08932.17891.40302.35791.80362.7361
C21.53152.17891.08932.35791.40302.73611.8036
H31.08932.17893.08482.06052.65872.38352.8996
H42.17891.08933.08482.65872.06052.89962.3835
F51.40302.35792.06052.65872.68012.62543.9679
F62.35791.40302.65872.06052.68013.96792.6254
Cl71.80362.73612.38352.89962.62543.96793.3129
Cl82.73611.80362.89962.38353.96792.62543.3129

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 111.373 C1 C2 F6 106.855
C1 C2 Cl8 109.984 C2 C1 H3 111.373
C2 C1 F5 106.855 C2 C1 Cl7 109.984
H3 C1 F5 110.904 H3 C1 Cl7 108.421
H4 C2 F6 110.904 H4 C2 Cl8 108.421
F5 C1 Cl7 109.286 F6 C2 Cl8 109.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 C -0.041      
3 H 0.292      
4 H 0.292      
5 F -0.251      
6 F -0.251      
7 Cl 0.001      
8 Cl 0.001      


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 -0.080 0.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.507 0.788 0.000
y 0.788 6.040 0.000
z 0.000 0.000 6.837


<r2> (average value of r2) Å2
<r2> 250.396
(<r2>)1/2 15.824