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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-1195.860632
Energy at 298.15K-1195.864154
HF Energy-1194.747874
Nuclear repulsion energy377.827808
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3168 2992 0.00      
2 Ag 1428 1348 0.00      
3 Ag 1335 1261 0.00      
4 Ag 1172 1107 0.00      
5 Ag 1116 1054 0.00      
6 Ag 853 806 0.00      
7 Ag 528 499 0.00      
8 Ag 382 361 0.00      
9 Ag 275 260 0.00      
10 Au 3180 3004 8.42      
11 Au 1354 1279 23.10      
12 Au 1249 1180 35.08      
13 Au 1179 1114 216.05      
14 Au 808 763 202.70      
15 Au 407 385 2.71      
16 Au 366 346 25.22      
17 Au 173 164 1.07      
18 Au 79 75 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 9525.8 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 8997.2 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 MP2/6-31G(2df,p)
ABC
0.13536 0.04982 0.03764

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.018 0.000 -1.153
H4 -1.018 0.000 1.153
F5 -0.674 -1.080 -1.201
F6 0.674 1.080 1.201
Cl7 -0.807 1.471 -1.328
Cl8 0.807 -1.471 1.328

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52221.09062.16771.34722.33921.77122.6798
C21.52222.16771.09062.33921.34722.67981.7712
H31.09062.16773.07572.00772.61282.35052.8923
H42.16771.09063.07572.61282.00772.89232.3505
F51.34722.33922.00772.61283.50082.55822.9570
F62.33921.34722.61282.00773.50082.95702.5582
Cl71.77122.67982.35052.89232.55822.95704.2801
Cl82.67981.77122.89232.35052.95702.55824.2801

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.050 C1 C2 F6 109.064
C1 C2 Cl8 108.681 C2 C1 H3 111.050
C2 C1 F5 109.064 C2 C1 Cl7 108.681
H3 C1 F5 110.451 H3 C1 Cl7 108.069
H4 C2 F6 110.451 H4 C2 Cl8 108.069
F5 C1 Cl7 109.491 F6 C2 Cl8 109.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability