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

using model chemistry: MP2=FULL/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-1181.361525
Energy at 298.15K-1181.364604
HF Energy-1181.197685
Nuclear repulsion energy363.635009
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3380 3005 0.22      
2 A 1503 1336 7.86      
3 A 1378 1225 38.28      
4 A 1257 1118 68.97      
5 A 1100 978 5.10      
6 A 887 788 33.86      
7 A 470 418 3.87      
8 A 275 244 0.12      
9 A 145 129 0.77      
10 A 56 50 1.21      
11 B 3385 3009 0.97      
12 B 1446 1285 11.91      
13 B 1302 1157 42.98      
14 B 1263 1123 1.56      
15 B 892 793 62.53      
16 B 437 388 11.64      
17 B 387 344 7.10      
18 B 321 285 11.44      

Unscaled Zero Point Vibrational Energy (zpe) 9942.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 8837.4 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 MP2=FULL/STO-3G
ABC
0.09033 0.05611 0.03622

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.207 0.776 0.427
C2 0.207 -0.776 0.427
H3 -1.315 0.880 0.290
H4 1.315 -0.880 0.290
F5 0.207 1.367 1.610
F6 -0.207 -1.367 1.610
Cl7 0.587 1.618 -1.020
Cl8 -0.587 -1.618 -1.020

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.60661.12132.25391.38552.44751.85352.8235
C21.60662.25391.12132.44751.38552.82351.8535
H31.12132.25393.16512.07322.83182.42482.9132
H42.25391.12133.16512.83182.07322.91322.4248
F51.38552.44752.07322.83182.76462.66934.0569
F62.44751.38552.83182.07322.76464.05692.6693
Cl71.85352.82352.42482.91322.66934.05693.4431
Cl82.82351.85352.91322.42484.05692.66933.4431

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 110.155 C1 C2 F6 109.552
C1 C2 Cl8 109.171 C2 C1 H3 110.155
C2 C1 F5 109.552 C2 C1 Cl7 109.171
H3 C1 F5 111.156 H3 C1 Cl7 106.592
H4 C2 F6 111.156 H4 C2 Cl8 106.592
F5 C1 Cl7 110.160 F6 C2 Cl8 110.160
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability