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

using model chemistry: LSDA/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-1194.054707
Energy at 298.15K-1194.058101
HF Energy-1194.054707
Nuclear repulsion energy381.086989
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/aug-cc-pVTZ
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 3005 2977 0.00      
2 A 1323 1311 10.93      
3 A 1217 1206 0.50      
4 A 1119 1109 161.26      
5 A 1064 1054 115.56      
6 A 818 810 84.44      
7 A 457 453 1.24      
8 A 302 299 0.94      
9 A 160 158 0.34      
10 A 76 75 0.57      
11 B 3019 2990 7.08      
12 B 1263 1251 4.81      
13 B 1167 1156 14.22      
14 B 1081 1071 30.08      
15 B 813 805 76.69      
16 B 426 422 8.65      
17 B 380 376 6.21      
18 B 319 316 10.05      

Unscaled Zero Point Vibrational Energy (zpe) 9003.4 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 8918.7 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/aug-cc-pVTZ
ABC
0.09877 0.06255 0.03990

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.220 0.722 0.400
C2 0.220 -0.722 0.400
H3 -1.318 0.802 0.346
H4 1.318 -0.802 0.346
F5 0.220 1.290 1.545
F6 -0.220 -1.290 1.545
Cl7 0.475 1.560 -0.979
Cl8 -0.475 -1.560 -0.979

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.50921.10172.16581.35132.31411.75802.6787
C21.50922.16581.10172.31411.35132.67871.7580
H31.10172.16583.08542.01012.64922.35472.8365
H42.16581.10173.08542.64922.01012.83652.3547
F51.35132.31412.01012.64922.61672.55143.8698
F62.31411.35132.64922.01012.61673.86982.5514
Cl71.75802.67872.35472.83652.55143.86983.2615
Cl82.67871.75802.83652.35473.86982.55143.2615

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 111.144 C1 C2 F6 107.868
C1 C2 Cl8 109.911 C2 C1 H3 111.144
C2 C1 F5 107.868 C2 C1 Cl7 109.911
H3 C1 F5 109.641 H3 C1 Cl7 108.672
H4 C2 F6 109.641 H4 C2 Cl8 108.672
F5 C1 Cl7 109.591 F6 C2 Cl8 109.591
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 C 0.243      
3 H 0.236      
4 H 0.236      
5 F -0.341      
6 F -0.341      
7 Cl -0.138      
8 Cl -0.138      


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 -0.422 0.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.977 -2.166 0.000
y -2.166 -49.711 0.000
z 0.000 0.000 -50.140
Traceless
 xyz
x 4.949 -2.166 0.000
y -2.166 -2.152 0.000
z 0.000 0.000 -2.796
Polar
3z2-r2-5.592
x2-y24.734
xy-2.166
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.493 0.668 0.000
y 0.668 9.195 0.000
z 0.000 0.000 9.165


<r2> (average value of r2) Å2
<r2> 240.708
(<r2>)1/2 15.515