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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-1197.617749
Energy at 298.15K-1197.621210
HF Energy-1197.617749
Nuclear repulsion energy376.720200
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 mPW1PW91/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 3130 2999 0.00      
2 Ag 1404 1345 0.00      
3 Ag 1304 1250 0.00      
4 Ag 1137 1090 0.00      
5 Ag 1087 1041 0.00      
6 Ag 825 790 0.00      
7 Ag 522 500 0.00      
8 Ag 374 359 0.00      
9 Ag 268 257 0.00      
10 Au 3143 3012 7.79      
11 Au 1324 1269 10.89      
12 Au 1229 1178 30.49      
13 Au 1140 1092 251.90      
14 Au 777 744 225.37      
15 Au 403 386 2.42      
16 Au 370 354 24.90      
17 Au 170 163 0.66      
18 Au 70 67 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 9338.7 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 8947.4 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 mPW1PW91/aug-cc-pVTZ
ABC
0.13509 0.04934 0.03733

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

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 1.013 0.000 -1.158
H4 -1.013 0.000 1.158
F5 -0.667 -1.086 -1.208
F6 0.667 1.086 1.208
Cl7 -0.813 1.465 -1.347
Cl8 0.813 -1.465 1.347

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52191.08792.16971.35082.34531.77502.6926
C21.52192.16971.08792.34531.35082.69261.7750
H31.08792.16973.07682.00152.62572.34862.9086
H42.16971.08793.07682.62572.00152.90862.3486
F51.35082.34532.00152.62573.51202.55932.9765
F62.34531.35082.62572.00153.51202.97652.5593
Cl71.77502.69262.34862.90862.55932.97654.2995
Cl82.69261.77502.90862.34862.97652.55934.2995

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 111.398 C1 C2 F6 109.307
C1 C2 Cl8 109.273 C2 C1 H3 111.398
C2 C1 F5 109.307 C2 C1 Cl7 109.273
H3 C1 F5 109.843 H3 C1 Cl7 107.814
H4 C2 F6 109.843 H4 C2 Cl8 107.814
F5 C1 Cl7 109.169 F6 C2 Cl8 109.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.359      
2 C 0.359      
3 H 0.267      
4 H 0.267      
5 F -0.390      
6 F -0.390      
7 Cl -0.237      
8 Cl -0.237      


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 -46.391 -1.021 -3.512
y -1.021 -49.656 -0.826
z -3.512 -0.826 -48.040
Traceless
 xyz
x 2.456 -1.021 -3.512
y -1.021 -2.440 -0.826
z -3.512 -0.826 -0.016
Polar
3z2-r2-0.032
x2-y23.264
xy-1.021
xz-3.512
yz-0.826


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.519 -1.091 0.919
y -1.091 9.474 -1.430
z 0.919 -1.430 8.295


<r2> (average value of r2) Å2
<r2> 254.309
(<r2>)1/2 15.947