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

using model chemistry: TPSSh/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-1197.663403
Energy at 298.15K-1197.666775
HF Energy-1197.663403
Nuclear repulsion energy376.184716
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/cc-pVTZ
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 3113 3014 0.20      
2 A 1387 1343 5.53      
3 A 1278 1238 7.33      
4 A 1113 1078 157.01      
5 A 1053 1020 122.67      
6 A 807 781 101.93      
7 A 445 431 2.33      
8 A 302 292 1.13      
9 A 156 151 0.48      
10 A 74 71 0.61      
11 B 3125 3026 9.43      
12 B 1330 1288 5.12      
13 B 1220 1181 27.41      
14 B 1065 1031 31.42      
15 B 795 770 101.26      
16 B 427 413 11.06      
17 B 376 364 6.38      
18 B 317 307 11.19      

Unscaled Zero Point Vibrational Energy (zpe) 9191.6 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 8900.2 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/cc-pVTZ
ABC
0.09714 0.06022 0.03872

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.221 0.731 0.401
C2 0.221 -0.731 0.401
H3 -1.303 0.831 0.340
H4 1.303 -0.831 0.340
F5 0.221 1.304 1.559
F6 -0.221 -1.304 1.559
Cl7 0.497 1.593 -0.987
Cl8 -0.497 -1.593 -0.987

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52811.08812.18351.36462.34111.78432.7210
C21.52812.18351.08812.34111.36462.72101.7843
H31.08812.18353.09082.00712.68552.36222.8787
H42.18351.08813.09082.68552.00712.87872.3622
F51.36462.34112.00712.68552.64422.57663.9220
F62.34111.36462.68552.00712.64423.92202.5766
Cl71.78432.72102.36222.87872.57663.92203.3368
Cl82.72101.78432.87872.36223.92202.57663.3368

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 112.055 C1 C2 F6 107.919
C1 C2 Cl8 110.227 C2 C1 H3 112.055
C2 C1 F5 107.919 C2 C1 Cl7 110.227
H3 C1 F5 109.317 H3 C1 Cl7 108.194
H4 C2 F6 109.317 H4 C2 Cl8 108.194
F5 C1 Cl7 109.092 F6 C2 Cl8 109.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.198      
2 C 0.198      
3 H 0.101      
4 H 0.101      
5 F -0.173      
6 F -0.173      
7 Cl -0.126      
8 Cl -0.126      


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 -0.222 0.222
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 5.940 0.740 0.000
y 0.740 7.603 0.000
z 0.000 0.000 7.941


<r2> (average value of r2) Å2
<r2> 246.776
(<r2>)1/2 15.709