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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-1181.202462
Energy at 298.15K-1181.205775
HF Energy-1181.202462
Nuclear repulsion energy367.587454
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 HF/STO-3G
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 3601 2941 0.00      
2 Ag 1647 1345 0.00      
3 Ag 1491 1217 0.00      
4 Ag 1351 1103 0.00      
5 Ag 1211 989 0.00      
6 Ag 957 781 0.00      
7 Ag 555 453 0.00      
8 Ag 401 327 0.00      
9 Ag 267 218 0.00      
10 Au 3604 2943 2.60      
11 Au 1525 1245 52.73      
12 Au 1394 1139 56.31      
13 Au 1362 1112 59.80      
14 Au 924 754 148.34      
15 Au 418 341 10.70      
16 Au 395 323 28.67      
17 Au 157 128 3.18      
18 Au 56 46 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 10658.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 8702.5 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 HF/STO-3G
ABC
0.12760 0.04709 0.03550

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.788
C2 0.000 0.000 0.788
H3 1.035 0.000 -1.168
H4 -1.035 0.000 1.168
F5 -0.709 -1.062 -1.274
F6 0.709 1.062 1.274
Cl7 -0.764 1.566 -1.346
Cl8 0.764 -1.566 1.346

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.57561.10262.21291.36622.42541.82952.7548
C21.57562.21291.10262.42541.36622.75481.8295
H31.10262.21293.12142.04422.68342.39172.9742
H42.21291.10263.12142.68342.04422.97422.3917
F51.36622.42542.04422.68343.60772.62913.0480
F62.42541.36622.68342.04423.60773.04802.6291
Cl71.82952.75482.39172.97422.62913.04804.4034
Cl82.75481.82952.97422.39173.04802.62914.4034

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 110.181 C1 C2 F6 110.866
C1 C2 Cl8 107.765 C2 C1 H3 110.181
C2 C1 F5 110.866 C2 C1 Cl7 107.765
H3 C1 F5 111.343 H3 C1 Cl7 106.670
H4 C2 F6 111.343 H4 C2 Cl8 106.670
F5 C1 Cl7 109.865 F6 C2 Cl8 109.865
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.149      
2 C 0.149      
3 H 0.117      
4 H 0.117      
5 F -0.102      
6 F -0.102      
7 Cl -0.164      
8 Cl -0.164      


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 -43.328 1.663 -4.157
y 1.663 -49.315 3.109
z -4.157 3.109 -45.654
Traceless
 xyz
x 4.156 1.663 -4.157
y 1.663 -4.823 3.109
z -4.157 3.109 0.667
Polar
3z2-r21.334
x2-y25.986
xy1.663
xz-4.157
yz3.109


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.327 -1.054 0.642
y -1.054 4.592 -1.098
z 0.642 -1.098 2.385


<r2> (average value of r2) Å2
<r2> 264.493
(<r2>)1/2 16.263