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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CBS-Q
 hartrees
Energy at 0K-317.180657
Energy at 298.15K-317.174158
HF Energy-315.954040
Nuclear repulsion energy189.309756
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 CBS-Q
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 3305 3305 47.23 50.14 0.74 0.85
2 A 3247 3247 4.98 190.04 0.01 0.03
3 A 3204 3204 13.72 67.72 0.29 0.44
4 A 1661 1661 0.33 14.92 0.74 0.85
5 A 1603 1603 8.81 9.79 0.71 0.83
6 A 1579 1579 14.09 2.03 0.49 0.65
7 A 1428 1428 0.49 24.64 0.71 0.83
8 A 1356 1356 1.54 7.77 0.67 0.81
9 A 1225 1225 30.78 2.38 0.69 0.82
10 A 1104 1104 51.01 5.07 0.73 0.85
11 A 928 928 0.09 12.06 0.13 0.24
12 A 579 579 4.92 0.61 0.71 0.83
13 A 262 262 4.60 0.21 0.18 0.31
14 A 91 91 4.81 0.00 0.48 0.65
15 B 3304 3304 44.65 46.12 0.75 0.86
16 B 3254 3254 69.91 46.07 0.75 0.86
17 B 3240 3240 44.87 75.75 0.75 0.86
18 B 1664 1664 1.72 0.04 0.75 0.86
19 B 1561 1561 20.53 0.83 0.75 0.86
20 B 1521 1521 4.49 0.81 0.75 0.86
21 B 1378 1378 8.28 0.73 0.75 0.86
22 B 1219 1219 46.17 0.60 0.75 0.86
23 B 1187 1187 103.53 5.65 0.75 0.86
24 B 1042 1042 26.74 3.82 0.75 0.86
25 B 849 849 5.18 1.25 0.75 0.86
26 B 444 444 9.22 0.28 0.75 0.86
27 B 204 204 12.73 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21219.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21219.8 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 CBS-Q
ABC
0.29839 0.10140 0.09419

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.977
C2 0.000 1.261 0.134
C3 0.000 -1.261 0.134
F4 1.147 1.305 -0.618
F5 -1.147 -1.305 -0.618
H6 0.879 -0.004 1.620
H7 -0.879 0.004 1.620
H8 -0.842 1.280 -0.547
H9 -0.021 2.151 0.755
H10 0.842 -1.280 -0.547
H11 0.021 -2.151 0.755

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51721.51722.35902.35901.08871.08872.16132.16272.16132.1627
C21.51722.52291.37262.91042.14002.13581.08371.08512.76243.4687
C31.51722.52292.91041.37262.13582.14002.76243.46871.08371.0851
F42.35901.37262.91043.47592.60623.28751.99121.99162.60383.8859
F52.35902.91041.37263.47593.28752.60622.60383.88591.99121.9916
H61.08872.14002.13582.60623.28751.75793.05042.49022.51512.4689
H71.08872.13582.14003.28752.60621.75792.51512.46893.05042.4902
H82.16131.08372.76241.99122.60383.05042.51511.76903.06393.7699
H92.16271.08513.46871.99163.88592.49022.46891.76903.76994.3025
H102.16132.76241.08372.60381.99122.51513.05043.06393.76991.7690
H112.16273.46871.08513.88591.99162.46892.49023.76994.30251.7690

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 109.331 C1 C2 H8 111.306
C1 C2 H9 111.335 C1 C3 F5 109.331
C1 C3 H10 111.306 C1 C3 H11 111.335
C2 C1 C3 112.491 C2 C1 H6 109.305
C2 C1 H7 108.980 C3 C1 H6 108.980
C3 C1 H7 109.305 F4 C2 H8 107.739
F4 C2 H9 107.684 F5 C3 H10 107.739
F5 C3 H11 107.684 H6 C1 H7 107.664
H8 C2 H9 109.312 H10 C3 H11 109.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability