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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-1196.235519
Energy at 298.15K-1196.239080
HF Energy-1194.905203
Nuclear repulsion energy378.559324
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3174 3014 0.00      
2 Ag 1427 1355 0.00      
3 Ag 1334 1266 0.00      
4 Ag 1165 1106 0.00      
5 Ag 1108 1052 0.00      
6 Ag 858 815 0.00      
7 Ag 529 502 0.00      
8 Ag 385 365 0.00      
9 Ag 277 263 0.00      
10 Au 3187 3026 9.12      
11 Au 1351 1283 15.62      
12 Au 1257 1193 34.42      
13 Au 1152 1094 238.32      
14 Au 813 772 197.76      
15 Au 412 391 3.29      
16 Au 372 354 25.39      
17 Au 177 168 0.89      
18 Au 79 75 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 9528.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9045.9 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/cc-pVTZ
ABC
0.13537 0.05011 0.03778

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.757
C2 0.000 0.000 0.757
H3 1.010 0.000 -1.143
H4 -1.010 0.000 1.143
F5 -0.664 -1.094 -1.198
F6 0.664 1.094 1.198
Cl7 -0.816 1.451 -1.334
Cl8 0.816 -1.451 1.334

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51321.08142.15171.35362.33621.76242.6727
C21.51322.15171.08142.33621.35362.67271.7624
H31.08142.15173.05102.00052.60722.34022.8779
H42.15171.08143.05102.60722.00052.87792.3402
F51.35362.33622.00052.60723.50572.55322.9548
F62.33621.35362.60722.00053.50572.95482.5532
Cl71.76242.67272.34022.87792.55322.95484.2672
Cl82.67271.76242.87792.34022.95482.55324.2672

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 110.961 C1 C2 F6 109.029
C1 C2 Cl8 109.128 C2 C1 H3 110.961
C2 C1 F5 109.029 C2 C1 Cl7 109.128
H3 C1 F5 109.982 H3 C1 Cl7 108.369
H4 C2 F6 109.982 H4 C2 Cl8 108.369
F5 C1 Cl7 109.347 F6 C2 Cl8 109.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability