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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1194.748953
Energy at 298.15K-1194.752689
HF Energy-1194.748953
Nuclear repulsion energy378.788109
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/6-31G(2df,p)
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 3301 2989 0.00      
2 Ag 1555 1408 0.00      
3 Ag 1443 1307 0.00      
4 Ag 1259 1140 0.00      
5 Ag 1186 1074 0.00      
6 Ag 897 812 0.00      
7 Ag 562 509 0.00      
8 Ag 407 368 0.00      
9 Ag 290 263 0.00      
10 Au 3313 3000 13.95      
11 Au 1460 1322 33.14      
12 Au 1349 1221 54.37      
13 Au 1270 1150 273.32      
14 Au 835 756 258.64      
15 Au 435 394 2.75      
16 Au 400 363 31.27      
17 Au 185 168 1.31      
18 Au 82 74 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 10114.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 9158.7 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/6-31G(2df,p)
ABC
0.13885 0.04930 0.03757

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

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 1.005 0.000 -1.151
H4 -1.005 0.000 1.151
F5 -0.664 -1.063 -1.197
F6 0.664 1.063 1.197
Cl7 -0.806 1.465 -1.352
Cl8 0.806 -1.465 1.352

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52121.07812.15951.32692.32441.77362.6940
C21.52122.15951.07812.32441.32692.69401.7736
H31.07812.15953.05571.97912.59972.33812.9065
H42.15951.07813.05572.59971.97912.90652.3381
F51.32692.32441.97912.59973.46592.53642.9697
F62.32441.32692.59971.97913.46592.96972.5364
Cl71.77362.69402.33812.90652.53642.96974.3002
Cl82.69401.77362.90652.33812.96972.53644.3002

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 111.220 C1 C2 F6 109.206
C1 C2 Cl8 109.463 C2 C1 H3 111.220
C2 C1 F5 109.206 C2 C1 Cl7 109.463
H3 C1 F5 110.329 H3 C1 Cl7 107.645
H4 C2 F6 110.329 H4 C2 Cl8 107.645
F5 C1 Cl7 108.935 F6 C2 Cl8 108.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.174      
2 C 0.174      
3 H 0.192      
4 H 0.192      
5 F -0.227      
6 F -0.227      
7 Cl -0.138      
8 Cl -0.138      


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 -46.270 -0.620 -3.826
y -0.620 -49.986 -0.205
z -3.826 -0.205 -48.191
Traceless
 xyz
x 2.819 -0.620 -3.826
y -0.620 -2.756 -0.205
z -3.826 -0.205 -0.062
Polar
3z2-r2-0.125
x2-y23.716
xy-0.620
xz-3.826
yz-0.205


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.870 -1.221 0.817
y -1.221 7.693 -1.433
z 0.817 -1.433 6.379


<r2> (average value of r2) Å2
<r2> 252.923
(<r2>)1/2 15.904