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

using model chemistry: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-1197.642965
Energy at 298.15K-1197.646438
HF Energy-1197.642965
Nuclear repulsion energy378.344476
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 B1B95/TZVP
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 3148 3012 0.10      
2 A 1412 1351 10.69      
3 A 1304 1247 7.43      
4 A 1146 1096 201.90      
5 A 1079 1033 102.01      
6 A 835 799 96.79      
7 A 463 443 1.73      
8 A 308 294 1.42      
9 A 160 154 0.80      
10 A 74 71 0.74      
11 B 3161 3024 8.92      
12 B 1357 1299 5.52      
13 B 1239 1185 26.80      
14 B 1106 1058 34.58      
15 B 829 793 100.30      
16 B 437 418 13.23      
17 B 391 374 8.06      
18 B 330 316 12.21      

Unscaled Zero Point Vibrational Energy (zpe) 9387.9 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 8983.3 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 B1B95/TZVP
ABC
0.09802 0.06105 0.03916

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.219 0.729 0.403
C2 0.219 -0.729 0.403
H3 -1.300 0.819 0.346
H4 1.300 -0.819 0.346
F5 0.219 1.297 1.550
F6 -0.219 -1.297 1.550
Cl7 0.486 1.583 -0.984
Cl8 -0.486 -1.583 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52251.08652.17011.35292.32851.77462.7091
C21.52252.17011.08652.32851.35292.70911.7746
H31.08652.17013.07381.99702.66462.35372.8637
H42.17011.08653.07382.66461.99702.86372.3537
F51.35292.32851.99702.66462.63152.56383.9003
F62.32851.35292.66461.99702.63153.90032.5638
Cl71.77462.70912.35372.86372.56383.90033.3111
Cl82.70911.77462.86372.35373.90032.56383.3111

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 111.463 C1 C2 F6 108.003
C1 C2 Cl8 110.266 C2 C1 H3 111.463
C2 C1 F5 108.003 C2 C1 Cl7 110.266
H3 C1 F5 109.414 H3 C1 Cl7 108.291
H4 C2 F6 109.414 H4 C2 Cl8 108.291
F5 C1 Cl7 109.383 F6 C2 Cl8 109.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 C 0.033      
3 H 0.184      
4 H 0.184      
5 F -0.163      
6 F -0.163      
7 Cl -0.053      
8 Cl -0.053      


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 -0.529 0.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.379 -2.472 0.000
y -2.472 -49.933 0.000
z 0.000 0.000 -50.402
Traceless
 xyz
x 5.789 -2.472 0.000
y -2.472 -2.543 0.000
z 0.000 0.000 -3.246
Polar
3z2-r2-6.492
x2-y25.554
xy-2.472
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.582 0.734 0.000
y 0.734 6.907 0.000
z 0.000 0.000 7.516


<r2> (average value of r2) Å2
<r2> 244.507
(<r2>)1/2 15.637