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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1196.985309
Energy at 298.15K-1196.988579
HF Energy-1196.985309
Nuclear repulsion energy372.864686
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 PBEPBEultrafine/aug-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 Ag 3028 2995 0.00      
2 Ag 1334 1319 0.00      
3 Ag 1241 1227 0.00      
4 Ag 1069 1057 0.00      
5 Ag 1024 1012 0.00      
6 Ag 772 763 0.00      
7 Ag 498 492 0.00      
8 Ag 353 349 0.00      
9 Ag 257 254 0.00      
10 Au 3041 3007 7.88      
11 Au 1262 1248 6.42      
12 Au 1173 1160 28.65      
13 Au 1063 1051 243.12      
14 Au 726 718 234.36      
15 Au 383 378 1.50      
16 Au 355 351 23.45      
17 Au 164 162 0.58      
18 Au 67 66 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 8904.0 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 8804.3 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.13184 0.04848 0.03661

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.766
C2 0.000 0.000 0.766
H3 1.019 0.000 -1.173
H4 -1.019 0.000 1.173
F5 -0.679 -1.099 -1.220
F6 0.679 1.099 1.220
Cl7 -0.822 1.483 -1.353
Cl8 0.822 -1.483 1.353

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53161.09752.19011.36942.36871.79452.7138
C21.53162.19011.09752.36871.36942.71381.7945
H31.09752.19013.10752.02362.65462.37112.9356
H42.19011.09753.10752.65462.02362.93562.3711
F51.36942.36872.02362.65463.55342.58973.0031
F62.36871.36942.65462.02363.55343.00312.5897
Cl71.79452.71382.37112.93562.58973.00314.3387
Cl82.71381.79452.93562.37113.00312.58974.3387

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 111.765 C1 C2 F6 109.351
C1 C2 Cl8 109.101 C2 C1 H3 111.765
C2 C1 F5 109.351 C2 C1 Cl7 109.101
H3 C1 F5 109.737 H3 C1 Cl7 107.702
H4 C2 F6 109.737 H4 C2 Cl8 107.702
F5 C1 Cl7 109.136 F6 C2 Cl8 109.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299      
2 C 0.299      
3 H 0.256      
4 H 0.256      
5 F -0.352      
6 F -0.352      
7 Cl -0.203      
8 Cl -0.203      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.903 -0.983 -3.418
y -0.983 -49.998 -0.777
z -3.418 -0.777 -48.450
Traceless
 xyz
x 2.321 -0.983 -3.418
y -0.983 -2.322 -0.777
z -3.418 -0.777 0.000
Polar
3z2-r20.000
x2-y23.095
xy-0.983
xz-3.418
yz-0.777


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.975 -1.181 1.023
y -1.181 10.186 -1.578
z 1.023 -1.578 8.891


<r2> (average value of r2) Å2
<r2> 258.949
(<r2>)1/2 16.092