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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-1191.582036
Energy at 298.15K-1191.585317
HF Energy-1191.582036
Nuclear repulsion energy372.093376
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 B3PW91/3-21G*
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 3152 3024 0.00      
2 Ag 1414 1356 0.00      
3 Ag 1335 1280 0.00      
4 Ag 1120 1074 0.00      
5 Ag 1048 1005 0.00      
6 Ag 792 760 0.00      
7 Ag 492 472 0.00      
8 Ag 353 339 0.00      
9 Ag 266 255 0.00      
10 Au 3168 3040 8.79      
11 Au 1332 1278 19.48      
12 Au 1283 1231 24.57      
13 Au 1140 1093 157.10      
14 Au 734 705 232.37      
15 Au 373 358 4.44      
16 Au 347 333 30.88      
17 Au 163 157 2.46      
18 Au 66 63 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 9288.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8911.2 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 B3PW91/3-21G*
ABC
0.12952 0.04880 0.03662

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.763
C2 0.000 0.000 0.763
H3 1.020 0.000 -1.147
H4 -1.020 0.000 1.147
F5 -0.719 -1.100 -1.211
F6 0.719 1.100 1.211
Cl7 -0.786 1.515 -1.333
Cl8 0.786 -1.515 1.333

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52591.08972.16531.38802.37141.79922.7026
C21.52592.16531.08972.37141.38802.70261.7992
H31.08972.16533.06982.05802.61962.36412.9154
H42.16531.08973.06982.61962.05802.91542.3641
F51.38802.37142.05802.61963.57382.61822.9845
F62.37141.38802.61962.05803.57382.98452.6182
Cl71.79922.70262.36412.91542.61822.98454.3305
Cl82.70261.79922.91542.36412.98452.61824.3305

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 110.646 C1 C2 F6 108.848
C1 C2 Cl8 108.459 C2 C1 H3 110.646
C2 C1 F5 108.848 C2 C1 Cl7 108.459
H3 C1 F5 111.754 H3 C1 Cl7 107.275
H4 C2 F6 111.754 H4 C2 Cl8 107.275
F5 C1 Cl7 109.796 F6 C2 Cl8 109.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C -0.053      
3 H 0.297      
4 H 0.297      
5 F -0.256      
6 F -0.256      
7 Cl 0.012      
8 Cl 0.012      


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 -46.406 -0.690 -3.889
y -0.690 -49.949 -0.446
z -3.889 -0.446 -48.457
Traceless
 xyz
x 2.797 -0.690 -3.889
y -0.690 -2.518 -0.446
z -3.889 -0.446 -0.280
Polar
3z2-r2-0.559
x2-y23.544
xy-0.690
xz-3.889
yz-0.446


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.829 -1.382 0.892
y -1.382 7.475 -1.686
z 0.892 -1.686 5.292


<r2> (average value of r2) Å2
<r2> 258.724
(<r2>)1/2 16.085