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

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-1195.726075
Energy at 298.15K-1195.729638
HF Energy-1194.776992
Nuclear repulsion energy376.396775
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 CCD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3160 3023 0.84      
2 A 1430 1369 15.77      
3 A 1317 1260 16.24      
4 A 1176 1126 170.89      
5 A 1108 1060 97.30      
6 A 861 824 65.60      
7 A 469 449 0.46      
8 A 317 304 1.32      
9 A 168 161 0.78      
10 A 82 79 0.64      
11 B 3170 3033 16.30      
12 B 1365 1306 6.06      
13 B 1245 1191 33.14      
14 B 1141 1092 27.18      
15 B 857 820 99.73      
16 B 438 419 12.22      
17 B 398 381 8.15      
18 B 339 325 12.36      

Unscaled Zero Point Vibrational Energy (zpe) 9521.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 9109.2 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 CCD/cc-pVDZ
ABC
0.09759 0.06016 0.03868

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.225 0.732 0.402
C2 0.225 -0.732 0.402
H3 -1.323 0.806 0.361
H4 1.323 -0.806 0.361
F5 0.225 1.298 1.556
F6 -0.225 -1.298 1.556
Cl7 0.457 1.608 -0.987
Cl8 -0.457 -1.608 -0.987

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53241.10072.18291.36192.33521.77732.7305
C21.53242.18291.10072.33521.36192.73051.7773
H31.10072.18293.09812.01642.65652.37222.8968
H42.18291.10073.09812.65652.01642.89682.3722
F51.36192.33522.01642.65652.63452.57143.9204
F62.33521.36192.65652.01642.63453.92042.5714
Cl71.77732.73052.37222.89682.57143.92043.3426
Cl82.73051.77732.89682.37223.92042.57143.3426

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 110.933 C1 C2 F6 107.429
C1 C2 Cl8 110.962 C2 C1 H3 110.933
C2 C1 F5 107.429 C2 C1 Cl7 110.962
H3 C1 F5 109.473 H3 C1 Cl7 108.735
H4 C2 F6 109.473 H4 C2 Cl8 108.735
F5 C1 Cl7 109.282 F6 C2 Cl8 109.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability