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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CBS-Q
 hartrees
Energy at 0K-1196.274889
Energy at 298.15K-1196.267809
HF Energy-1194.714177
Nuclear repulsion energy377.966509
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 CBS-Q
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 3341 3341 0.00      
2 Ag 1560 1560 0.00      
3 Ag 1462 1462 0.00      
4 Ag 1245 1245 0.00      
5 Ag 1187 1187 0.00      
6 Ag 910 910 0.00      
7 Ag 560 560 0.00      
8 Ag 409 409 0.00      
9 Ag 292 292 0.00      
10 Au 3352 3352 16.52      
11 Au 1468 1468 43.61      
12 Au 1364 1364 58.16      
13 Au 1250 1250 314.31      
14 Au 850 850 264.09      
15 Au 439 439 4.03      
16 Au 402 402 37.70      
17 Au 187 187 1.82      
18 Au 83 83 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 10179.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10179.9 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 CBS-Q
ABC
0.13395 0.04941 0.03730

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 -0.001 -0.762
C2 0.001 0.001 0.762
H3 1.004 -0.002 -1.157
H4 -1.004 0.002 1.157
F5 -0.656 -1.084 -1.193
F6 0.656 1.084 1.193
Cl7 -0.827 1.445 -1.366
Cl8 0.827 -1.445 1.366

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52411.07932.16541.33762.33021.77142.7019
C21.52412.16541.07932.33021.33762.70191.7714
H31.07932.16543.06351.98162.61212.34332.9117
H42.16541.07933.06352.61211.98162.91172.3433
F51.33762.33021.98162.61213.48062.54102.9794
F62.33021.33762.61211.98163.48062.97942.5410
Cl71.77142.70192.34332.91172.54102.97944.3073
Cl82.70191.77142.91172.34332.97942.54104.3073

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 111.413 C1 C2 F6 108.851
C1 C2 Cl8 109.916 C2 C1 H3 111.413
C2 C1 F5 108.851 C2 C1 Cl7 109.916
H3 C1 F5 109.681 H3 C1 Cl7 108.107
H4 C2 F6 109.681 H4 C2 Cl8 108.107
F5 C1 Cl7 108.836 F6 C2 Cl8 108.836
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability