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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-1197.501051
Energy at 298.15K-1197.504513
HF Energy-1197.501051
Nuclear repulsion energy378.212525
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 B1B95/6-31+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 3160 3023 0.10      
2 A 1403 1342 9.14      
3 A 1303 1247 12.98      
4 A 1145 1096 178.30      
5 A 1087 1039 120.35      
6 A 843 807 96.97      
7 A 465 444 1.18      
8 A 309 295 1.37      
9 A 159 152 0.59      
10 A 76 73 0.71      
11 B 3172 3034 7.52      
12 B 1341 1283 7.20      
13 B 1244 1190 23.86      
14 B 1105 1057 32.86      
15 B 837 800 105.18      
16 B 433 414 10.99      
17 B 389 372 8.60      
18 B 332 318 13.01      

Unscaled Zero Point Vibrational Energy (zpe) 9400.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8992.9 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 B1B95/6-31+G**
ABC
0.09852 0.06079 0.03906

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.227 0.728 0.397
C2 0.227 -0.728 0.397
H3 -1.313 0.808 0.365
H4 1.313 -0.808 0.365
F5 0.227 1.292 1.549
F6 -0.227 -1.292 1.549
Cl7 0.449 1.600 -0.982
Cl8 -0.449 -1.600 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52411.08962.17441.36112.32511.76602.7145
C21.52412.17441.08962.32511.36112.71451.7660
H31.08962.17443.08292.00172.64402.35532.8911
H42.17441.08963.08292.64402.00172.89112.3553
F51.36112.32512.00172.64402.62282.55963.9022
F62.32511.36112.64402.00172.62283.90222.5596
Cl71.76602.71452.35532.89112.55963.90223.3246
Cl82.71451.76602.89112.35533.90222.55963.3246

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 111.517 C1 C2 F6 107.259
C1 C2 Cl8 110.980 C2 C1 H3 111.517
C2 C1 F5 107.259 C2 C1 Cl7 110.980
H3 C1 F5 109.027 H3 C1 Cl7 108.816
H4 C2 F6 109.027 H4 C2 Cl8 108.816
F5 C1 Cl7 109.192 F6 C2 Cl8 109.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 C -0.066      
3 H 0.225      
4 H 0.225      
5 F -0.228      
6 F -0.228      
7 Cl 0.070      
8 Cl 0.070      


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 -0.590 0.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.551 -2.468 0.000
y -2.468 -50.121 0.000
z 0.000 0.000 -50.735
Traceless
 xyz
x 5.877 -2.468 0.000
y -2.468 -2.478 0.000
z 0.000 0.000 -3.399
Polar
3z2-r2-6.799
x2-y25.570
xy-2.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.065 0.682 0.000
y 0.682 7.509 0.000
z 0.000 0.000 7.885


<r2> (average value of r2) Å2
<r2> 245.031
(<r2>)1/2 15.653