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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.517178
Energy at 298.15K-1197.520654
HF Energy-1197.517178
Nuclear repulsion energy377.035609
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 mPW1PW91/aug-cc-pVDZ
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 3151 3019 0.05      
2 A 1388 1330 6.45      
3 A 1277 1224 5.83      
4 A 1139 1092 126.08      
5 A 1072 1027 155.42      
6 A 836 801 89.82      
7 A 462 443 0.83      
8 A 309 296 1.09      
9 A 164 157 0.34      
10 A 76 73 0.64      
11 B 3162 3030 7.01      
12 B 1321 1266 5.96      
13 B 1219 1168 19.50      
14 B 1085 1040 30.13      
15 B 830 796 92.64      
16 B 433 415 10.38      
17 B 388 372 7.30      
18 B 332 318 10.35      

Unscaled Zero Point Vibrational Energy (zpe) 9321.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 8932.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.09790 0.06041 0.03888

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.730 0.399
C2 0.223 -0.730 0.399
H3 -1.313 0.822 0.350
H4 1.313 -0.822 0.350
F5 0.223 1.304 1.553
F6 -0.223 -1.304 1.553
Cl7 0.477 1.595 -0.984
Cl8 -0.477 -1.595 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52601.09502.18401.36402.33801.77482.7165
C21.52602.18401.09502.33801.36402.71651.7748
H31.09502.18403.09832.00972.67472.36212.8843
H42.18401.09503.09832.67472.00972.88432.3621
F51.36402.33802.00972.67472.64512.56603.9148
F62.33801.36402.67472.00972.64513.91482.5660
Cl71.77482.71652.36212.88432.56603.91483.3292
Cl82.71651.77482.88432.36213.91482.56603.3292

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 111.817 C1 C2 F6 107.865
C1 C2 Cl8 110.542 C2 C1 H3 111.817
C2 C1 F5 107.865 C2 C1 Cl7 110.542
H3 C1 F5 109.138 H3 C1 Cl7 108.461
H4 C2 F6 109.138 H4 C2 Cl8 108.461
F5 C1 Cl7 108.971 F6 C2 Cl8 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.558      
2 C 0.558      
3 H -0.061      
4 H -0.061      
5 F -0.437      
6 F -0.437      
7 Cl -0.061      
8 Cl -0.061      


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 -0.449 0.449
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.602 -2.386 0.000
y -2.386 -49.873 0.000
z 0.000 0.000 -50.366
Traceless
 xyz
x 5.518 -2.386 0.000
y -2.386 -2.389 0.000
z 0.000 0.000 -3.129
Polar
3z2-r2-6.259
x2-y25.271
xy-2.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.980 0.695 0.000
y 0.695 8.686 0.000
z 0.000 0.000 8.735


<r2> (average value of r2) Å2
<r2> 246.105
(<r2>)1/2 15.688