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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-1191.458665
Energy at 298.15K-1191.461565
HF Energy-1191.458665
Nuclear repulsion energy359.582328
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 BLYP/3-21G
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 3091 3074 0.00      
2 Ag 1383 1376 0.00      
3 Ag 1227 1220 0.00      
4 Ag 1097 1091 0.00      
5 Ag 1001 996 0.00      
6 Ag 662 658 0.00      
7 Ag 465 463 0.00      
8 Ag 299 298 0.00      
9 Ag 236 234 0.00      
10 Au 3105 3087 7.72      
11 Au 1291 1284 10.41      
12 Au 1172 1166 37.99      
13 Au 1122 1116 183.03      
14 Au 614 610 239.74      
15 Au 329 327 22.74      
16 Au 316 314 16.50      
17 Au 148 147 3.63      
18 Au 58 58 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 8807.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 8759.2 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 BLYP/3-21G
ABC
0.12501 0.04462 0.03394

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.008 0.000 -1.186
H4 -1.008 0.000 1.186
F5 -0.816 -1.001 -1.262
F6 0.816 1.001 1.262
Cl7 -0.727 1.737 -1.277
Cl8 0.727 -1.737 1.277

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52291.09392.19291.38492.40041.95242.7749
C21.52292.19291.09392.40041.38492.77491.9524
H31.09392.19293.11312.08202.65162.45723.0266
H42.19291.09393.11312.65162.08203.02662.4572
F51.38492.40042.08202.65163.61122.73923.0609
F62.40041.38492.65162.08203.61123.06092.7392
Cl71.95242.77492.45723.02662.73923.06094.5502
Cl82.77491.95243.02662.45723.06092.73924.5502

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 112.834 C1 C2 F6 111.193
C1 C2 Cl8 105.298 C2 C1 H3 112.834
C2 C1 F5 111.193 C2 C1 Cl7 105.298
H3 C1 F5 113.752 H3 C1 Cl7 103.944
H4 C2 F6 113.752 H4 C2 Cl8 103.944
F5 C1 Cl7 109.145 F6 C2 Cl8 109.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.042      
2 C -0.042      
3 H 0.272      
4 H 0.272      
5 F -0.197      
6 F -0.197      
7 Cl -0.034      
8 Cl -0.034      


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 -47.224 0.879 -4.253
y 0.879 -52.329 2.188
z -4.253 2.188 -49.041
Traceless
 xyz
x 3.461 0.879 -4.253
y 0.879 -4.197 2.188
z -4.253 2.188 0.736
Polar
3z2-r21.471
x2-y25.105
xy0.879
xz-4.253
yz2.188


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.418 -1.816 1.058
y -1.816 9.206 -2.362
z 1.058 -2.362 5.178


<r2> (average value of r2) Å2
<r2> 277.411
(<r2>)1/2 16.656