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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-1182.942869
Energy at 298.15K-1182.945591
HF Energy-1182.942869
Nuclear repulsion energy358.565896
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 PBEPBE/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 3190 2915 0.00      
2 Ag 1442 1317 0.00      
3 Ag 1256 1147 0.00      
4 Ag 1216 1111 0.00      
5 Ag 983 898 0.00      
6 Ag 771 704 0.00      
7 Ag 490 447 0.00      
8 Ag 337 308 0.00      
9 Ag 226 207 0.00      
10 Au 3198 2922 5.65      
11 Au 1350 1233 53.95      
12 Au 1244 1137 84.11      
13 Au 1182 1080 42.55      
14 Au 733 670 157.99      
15 Au 366 335 5.49      
16 Au 340 311 17.95      
17 Au 134 123 4.78      
18 Au 38 34 3.39      

Unscaled Zero Point Vibrational Energy (zpe) 9247.3 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8448.4 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 PBEPBE/STO-3G
ABC
0.12095 0.04495 0.03382

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.808
C2 0.000 0.000 0.808
H3 1.057 0.000 -1.203
H4 -1.057 0.000 1.203
F5 -0.759 -1.022 -1.328
F6 0.759 1.022 1.328
Cl7 -0.707 1.699 -1.310
Cl8 0.707 -1.699 1.310

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.61601.12822.27151.37502.48641.90802.8063
C21.61602.27151.12822.48641.37502.80631.9080
H31.12822.27153.20222.08732.74542.45203.0537
H42.27151.12823.20222.74542.08733.05372.4520
F51.37502.48642.08732.74543.67892.72233.0929
F62.48641.37502.74542.08733.67893.09292.7223
Cl71.90802.80632.45203.05372.72233.09294.5189
Cl82.80631.90803.05372.45203.09292.72234.5189

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 110.476 C1 C2 F6 112.208
C1 C2 Cl8 105.262 C2 C1 H3 110.476
C2 C1 F5 112.208 C2 C1 Cl7 105.262
H3 C1 F5 112.616 H3 C1 Cl7 104.788
H4 C2 F6 112.616 H4 C2 Cl8 104.788
F5 C1 Cl7 110.991 F6 C2 Cl8 110.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.067      
2 C 0.067      
3 H 0.121      
4 H 0.121      
5 F -0.005      
6 F -0.005      
7 Cl -0.183      
8 Cl -0.183      


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 -42.544 2.365 -3.099
y 2.365 -48.672 4.719
z -3.099 4.719 -44.349
Traceless
 xyz
x 3.966 2.365 -3.099
y 2.365 -5.225 4.719
z -3.099 4.719 1.259
Polar
3z2-r22.518
x2-y26.128
xy2.365
xz-3.099
yz4.719


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.395 -0.990 0.711
y -0.990 5.666 -1.183
z 0.711 -1.183 2.788


<r2> (average value of r2) Å2
<r2> 275.661
(<r2>)1/2 16.603