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

using model chemistry: PBEPBEultrafine/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/cc-pVTZ
 hartrees
Energy at 0K-1196.977048
Energy at 298.15K-1196.980325
HF Energy-1196.977048
Nuclear repulsion energy373.070042
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/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 3027 3006 0.00      
2 Ag 1339 1330 0.00      
3 Ag 1242 1234 0.00      
4 Ag 1076 1069 0.00      
5 Ag 1032 1025 0.00      
6 Ag 773 767 0.00      
7 Ag 499 496 0.00      
8 Ag 354 351 0.00      
9 Ag 257 255 0.00      
10 Au 3040 3019 11.08      
11 Au 1267 1258 7.67      
12 Au 1173 1165 31.43      
13 Au 1080 1072 244.55      
14 Au 726 721 232.75      
15 Au 383 381 1.44      
16 Au 354 352 24.00      
17 Au 165 163 0.79      
18 Au 66 66 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 8926.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 8865.0 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/cc-pVTZ
ABC
0.13205 0.04852 0.03665

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.765
C2 0.000 0.000 0.765
H3 1.020 0.000 -1.169
H4 -1.020 0.000 1.169
F5 -0.682 -1.093 -1.220
F6 0.682 1.093 1.220
Cl7 -0.814 1.491 -1.349
Cl8 0.814 -1.491 1.349

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53101.09752.18751.36602.36681.79592.7120
C21.53102.18751.09752.36681.36602.71201.7959
H31.09752.18753.10412.02362.64932.37062.9337
H42.18751.09753.10412.64932.02362.93372.3706
F51.36602.36682.02362.64933.54852.59022.9992
F62.36681.36602.64932.02363.54852.99922.5902
Cl71.79592.71202.37062.93372.59022.99924.3378
Cl82.71201.79592.93372.37062.99922.59024.3378

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 111.597 C1 C2 F6 109.439
C1 C2 Cl8 108.953 C2 C1 H3 111.597
C2 C1 F5 109.439 C2 C1 Cl7 108.953
H3 C1 F5 109.979 H3 C1 Cl7 107.568
H4 C2 F6 109.979 H4 C2 Cl8 107.568
F5 C1 Cl7 109.255 F6 C2 Cl8 109.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.160      
2 C 0.160      
3 H 0.097      
4 H 0.097      
5 F -0.144      
6 F -0.144      
7 Cl -0.113      
8 Cl -0.113      


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 -46.379 -0.677 -3.256
y -0.677 -49.411 -0.454
z -3.256 -0.454 -48.036
Traceless
 xyz
x 2.345 -0.677 -3.256
y -0.677 -2.204 -0.454
z -3.256 -0.454 -0.141
Polar
3z2-r2-0.282
x2-y23.033
xy-0.677
xz-3.256
yz-0.454


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.460 -1.427 0.974
y -1.427 8.977 -1.725
z 0.974 -1.725 7.383


<r2> (average value of r2) Å2
<r2> 258.398
(<r2>)1/2 16.075