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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-1195.629128
Energy at 298.15K-1195.632714
HF Energy-1194.720222
Nuclear repulsion energy378.111623
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 MP2=FULL/6-31G**
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 3212 3001 0.70      
2 A 1447 1352 6.16      
3 A 1358 1269 29.18      
4 A 1175 1097 91.88      
5 A 1119 1045 141.24      
6 A 879 821 78.36      
7 A 473 442 0.77      
8 A 322 301 1.24      
9 A 169 158 0.70      
10 A 87 81 0.62      
11 B 3223 3011 15.11      
12 B 1389 1298 9.48      
13 B 1288 1204 29.96      
14 B 1127 1053 19.07      
15 B 868 811 106.29      
16 B 443 413 11.10      
17 B 398 372 8.71      
18 B 345 323 12.84      

Unscaled Zero Point Vibrational Energy (zpe) 9660.7 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9027.0 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 MP2=FULL/6-31G**
ABC
0.09849 0.06074 0.03901

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.229 0.724 0.388
C2 0.229 -0.724 0.388
H3 -1.313 0.791 0.357
H4 1.313 -0.791 0.357
F5 0.229 1.279 1.554
F6 -0.229 -1.279 1.554
Cl7 0.439 1.610 -0.981
Cl8 -0.439 -1.610 -0.981

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51911.08682.16221.37052.31831.76152.7139
C21.51912.16221.08682.31831.37052.71391.7615
H31.08682.16223.06612.01252.62582.35162.8841
H42.16221.08683.06612.62582.01252.88412.3516
F51.37052.31832.01252.62582.59892.56493.9011
F62.31831.37052.62582.01252.59893.90112.5649
Cl71.76152.71392.35162.88412.56493.90113.3378
Cl82.71391.76152.88412.35163.90112.56493.3378

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 111.050 C1 C2 F6 106.583
C1 C2 Cl8 111.422 C2 C1 H3 111.050
C2 C1 F5 106.583 C2 C1 Cl7 111.422
H3 C1 F5 109.422 H3 C1 Cl7 108.991
H4 C2 F6 109.422 H4 C2 Cl8 108.991
F5 C1 Cl7 109.323 F6 C2 Cl8 109.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability