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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-1193.873375
Energy at 298.15K-1193.876766
HF Energy-1193.873375
Nuclear repulsion energy379.339477
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 LSDA/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3032 2987 0.01      
2 A 1335 1315 12.62      
3 A 1235 1216 5.16      
4 A 1122 1105 181.70      
5 A 1072 1055 116.17      
6 A 826 813 92.51      
7 A 459 452 1.45      
8 A 303 299 1.05      
9 A 160 158 0.57      
10 A 77 76 0.61      
11 B 3045 2999 7.24      
12 B 1273 1254 6.45      
13 B 1182 1164 17.29      
14 B 1088 1071 33.19      
15 B 819 807 91.46      
16 B 425 419 9.61      
17 B 381 375 7.74      
18 B 323 318 12.47      

Unscaled Zero Point Vibrational Energy (zpe) 9077.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 8941.1 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 LSDA/6-31+G**
ABC
0.09836 0.06169 0.03943

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.225 0.723 0.399
C2 0.225 -0.723 0.399
H3 -1.327 0.799 0.362
H4 1.327 -0.799 0.362
F5 0.225 1.286 1.550
F6 -0.225 -1.286 1.550
Cl7 0.453 1.584 -0.982
Cl8 -0.453 -1.584 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51511.10502.17471.35832.31581.76332.6987
C21.51512.17471.10502.31581.35832.69871.7633
H31.10502.17473.09842.01482.64092.36492.8721
H42.17471.10503.09842.64092.01482.87212.3649
F51.35832.31582.01482.64092.61202.55963.8872
F62.31581.35832.64092.01482.61203.88722.5596
Cl71.76332.69872.36492.87212.55963.88723.2952
Cl82.69871.76332.87212.36493.88722.55963.2952

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.238 C1 C2 F6 107.281
C1 C2 Cl8 110.580 C2 C1 H3 111.238
C2 C1 F5 107.281 C2 C1 Cl7 110.580
H3 C1 F5 109.327 H3 C1 Cl7 108.905
H4 C2 F6 109.327 H4 C2 Cl8 108.905
F5 C1 Cl7 109.480 F6 C2 Cl8 109.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 C -0.160      
3 H 0.248      
4 H 0.248      
5 F -0.192      
6 F -0.192      
7 Cl 0.105      
8 Cl 0.105      


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 -0.530 0.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.074 -2.321 0.000
y -2.321 -50.238 0.000
z 0.000 0.000 -50.781
Traceless
 xyz
x 5.436 -2.321 0.000
y -2.321 -2.311 0.000
z 0.000 0.000 -3.125
Polar
3z2-r2-6.250
x2-y25.164
xy-2.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.480 0.678 0.000
y 0.678 7.958 0.000
z 0.000 0.000 8.322


<r2> (average value of r2) Å2
<r2> 243.303
(<r2>)1/2 15.598