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All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: QCISD/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD/Def2TZVPP
 hartrees
Energy at 0K-317.152443
Energy at 298.15K 
HF Energy-316.102548
Nuclear repulsion energy188.184791
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 QCISD/Def2TZVPP
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 3146 3146 26.55      
2 A 3093 3093 3.66      
3 A 3070 3070 6.60      
4 A 1538 1538 0.37      
5 A 1475 1475 8.50      
6 A 1461 1461 7.52      
7 A 1334 1334 0.82      
8 A 1264 1264 0.69      
9 A 1148 1148 25.01      
10 A 1031 1031 39.96      
11 A 890 890 0.11      
12 A 539 539 3.42      
13 A 246 246 3.89      
14 A 83 83 4.02      
15 B 3146 3146 24.09      
16 B 3118 3118 22.94      
17 B 3089 3089 51.45      
18 B 1538 1538 3.45      
19 B 1444 1444 13.55      
20 B 1413 1413 1.83      
21 B 1284 1284 6.63      
22 B 1141 1141 11.65      
23 B 1117 1117 110.07      
24 B 978 978 23.06      
25 B 795 795 2.85      
26 B 422 422 7.93      
27 B 186 186 9.74      

Unscaled Zero Point Vibrational Energy (zpe) 19993.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19993.3 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 QCISD/Def2TZVPP
ABC
0.31116 0.09754 0.09182

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.969
C2 0.000 1.259 0.129
C3 0.000 -1.259 0.129
F4 1.177 1.325 -0.608
F5 -1.177 -1.325 -0.608
H6 0.882 -0.005 1.612
H7 -0.882 0.005 1.612
H8 -0.831 1.264 -0.575
H9 -0.048 2.150 0.753
H10 0.831 -1.264 -0.575
H11 0.048 -2.150 0.753

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51371.51372.37202.37201.09181.09182.16182.16152.16182.1615
C21.51372.51781.38992.93282.13922.13361.08891.08912.74793.4660
C31.51372.51782.93281.38992.13362.13922.74793.46601.08891.0891
F42.37201.38992.93283.54362.60433.30322.00862.00822.61183.8988
F52.37202.93281.38993.54363.30322.60432.61183.89882.00862.0082
H61.09182.13922.13362.60433.30321.76493.05442.49932.52462.4571
H71.09182.13362.13923.30322.60431.76492.52462.45713.05442.4993
H82.16181.08892.74792.00862.61183.05442.52461.77843.02503.7672
H92.16151.08913.46602.00823.89882.49932.45711.77843.76724.3012
H102.16182.74791.08892.61182.00862.52463.05443.02503.76721.7784
H112.16153.46601.08913.89882.00822.45712.49933.76724.30121.7784

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.483 C1 C2 H8 111.280
C1 C2 H9 111.240 C1 C3 F5 109.483
C1 C3 H10 111.280 C1 C3 H11 111.240
C2 C1 C3 112.547 C2 C1 H6 109.304
C2 C1 H7 108.865 C3 C1 H6 108.865
C3 C1 H7 109.304 F4 C2 H8 107.635
F4 C2 H9 107.586 F5 C3 H10 107.635
F5 C3 H11 107.586 H6 C1 H7 107.846
H8 C2 H9 109.479 H10 C3 H11 109.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability