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

using model chemistry: CISD/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 CISD/Def2TZVPP
 hartrees
Energy at 0K-316.981031
Energy at 298.15K 
HF Energy-316.103328
Nuclear repulsion energy189.477033
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 CISD/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 3253 3253 27.81      
2 A 3200 3200 3.85      
3 A 3173 3173 6.79      
4 A 1597 1597 0.43      
5 A 1533 1533 11.13      
6 A 1520 1520 6.91      
7 A 1387 1387 1.43      
8 A 1313 1313 0.68      
9 A 1198 1198 31.43      
10 A 1080 1080 41.83      
11 A 919 919 0.06      
12 A 559 559 3.62      
13 A 254 254 4.21      
14 A 86 86 4.40      
15 B 3253 3253 25.09      
16 B 3222 3222 27.11      
17 B 3196 3196 50.51      
18 B 1597 1597 3.85      
19 B 1506 1506 15.87      
20 B 1469 1469 2.51      
21 B 1336 1336 7.47      
22 B 1185 1185 33.76      
23 B 1170 1170 111.68      
24 B 1017 1017 21.88      
25 B 828 828 3.09      
26 B 438 438 8.53      
27 B 191 191 10.20      

Unscaled Zero Point Vibrational Energy (zpe) 20739.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20739.0 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 CISD/Def2TZVPP
ABC
0.31799 0.09823 0.09257

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.958
C2 0.000 1.255 0.126
C3 0.000 -1.255 0.126
F4 1.165 1.328 -0.600
F5 -1.165 -1.328 -0.600
H6 0.875 -0.005 1.597
H7 -0.875 0.005 1.597
H8 -0.824 1.263 -0.573
H9 -0.052 2.135 0.750
H10 0.824 -1.263 -0.573
H11 0.052 -2.135 0.750

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.50571.50572.35552.35551.08311.08312.14872.14622.14872.1462
C21.50572.50951.37452.92452.12502.11941.08011.08052.73943.4475
C31.50572.50952.92451.37452.11942.12502.73943.44751.08011.0805
F42.35551.37452.92453.53222.58603.27681.98961.98912.61283.8797
F52.35552.92451.37453.53223.27682.58602.61283.87971.98961.9891
H61.08312.12502.11942.58603.27681.74963.03302.48142.50862.4359
H71.08312.11942.12503.27682.58601.74962.50862.43593.03302.4814
H82.14871.08012.73941.98962.61283.03302.50861.76233.01523.7502
H92.14621.08053.44751.98913.87972.48142.43591.76233.75024.2720
H102.14872.73941.08012.61281.98962.50863.03303.01523.75021.7623
H112.14623.44751.08053.87971.98912.43592.48143.75024.27201.7623

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 109.649 C1 C2 H8 111.328
C1 C2 H9 111.098 C1 C3 F5 109.649
C1 C3 H10 111.328 C1 C3 H11 111.098
C2 C1 C3 112.882 C2 C1 H6 109.245
C2 C1 H7 108.805 C3 C1 H6 108.805
C3 C1 H7 109.245 F4 C2 H8 107.697
F4 C2 H9 107.638 F5 C3 H10 107.697
F5 C3 H11 107.638 H6 C1 H7 107.730
H8 C2 H9 109.301 H10 C3 H11 109.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability