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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G*
 hartrees
Energy at 0K-1191.182559
Energy at 298.15K-1191.185886
HF Energy-1191.182559
Nuclear repulsion energy373.490346
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 PBE1PBE/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 3163 3036 0.00      
2 Ag 1420 1363 0.00      
3 Ag 1342 1288 0.00      
4 Ag 1135 1090 0.00      
5 Ag 1063 1020 0.00      
6 Ag 808 775 0.00      
7 Ag 497 477 0.00      
8 Ag 360 345 0.00      
9 Ag 269 258 0.00      
10 Au 3179 3052 7.88      
11 Au 1337 1284 22.81      
12 Au 1289 1237 22.10      
13 Au 1156 1109 155.15      
14 Au 753 723 227.12      
15 Au 377 362 4.73      
16 Au 348 334 31.07      
17 Au 164 158 2.52      
18 Au 68 65 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 9363.6 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 8987.1 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 PBE1PBE/3-21G*
ABC
0.13033 0.04923 0.03693

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

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 1.021 0.000 -1.143
H4 -1.021 0.000 1.143
F5 -0.714 -1.101 -1.204
F6 0.714 1.101 1.204
Cl7 -0.788 1.503 -1.329
Cl8 0.788 -1.503 1.329

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52251.08982.16061.38522.36321.78962.6924
C21.52252.16061.08982.36321.38522.69241.7896
H31.08982.16063.06492.05572.61062.35912.9024
H42.16061.08983.06492.61062.05572.90242.3591
F51.38522.36322.05572.61063.56212.60872.9717
F62.36321.38522.61062.05573.56212.97172.6087
Cl71.78962.69242.35912.90242.60872.97174.3110
Cl82.69241.78962.90242.35912.97172.60874.3110

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 110.507 C1 C2 F6 108.636
C1 C2 Cl8 108.490 C2 C1 H3 110.507
C2 C1 F5 108.636 C2 C1 Cl7 108.490
H3 C1 F5 111.764 H3 C1 Cl7 107.531
H4 C2 F6 111.764 H4 C2 Cl8 107.531
F5 C1 Cl7 109.858 F6 C2 Cl8 109.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.058      
2 C -0.058      
3 H 0.301      
4 H 0.301      
5 F -0.262      
6 F -0.262      
7 Cl 0.019      
8 Cl 0.019      


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 -46.467 -0.753 -3.864
y -0.753 -49.989 -0.556
z -3.864 -0.556 -48.517
Traceless
 xyz
x 2.786 -0.753 -3.864
y -0.753 -2.497 -0.556
z -3.864 -0.556 -0.289
Polar
3z2-r2-0.578
x2-y23.522
xy-0.753
xz-3.864
yz-0.556


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.813 -1.361 0.871
y -1.361 7.353 -1.642
z 0.871 -1.642 5.234


<r2> (average value of r2) Å2
<r2> 256.903
(<r2>)1/2 16.028