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

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K-0.177976
HF Energy-0.177976
Nuclear repulsion energy144.916514
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 PM6
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 2741 2912 65.00      
2 A 2712 2881 0.59      
3 A 2653 2819 49.01      
4 A 1320 1402 2.98      
5 A 1290 1370 8.37      
6 A 1262 1341 38.38      
7 A 1209 1285 6.76      
8 A 1175 1248 1.21      
9 A 1099 1167 5.97      
10 A 1041 1106 3.78      
11 A 929 987 8.20      
12 A 476 505 0.41      
13 A 275 293 5.83      
14 A 60 64 5.26      
15 B 2713 2882 55.51      
16 B 2665 2832 69.12      
17 B 2651 2817 17.77      
18 B 1325 1408 20.53      
19 B 1306 1387 36.47      
20 B 1284 1364 9.37      
21 B 1213 1289 33.67      
22 B 1159 1232 38.52      
23 B 1123 1193 1.67      
24 B 945 1004 12.36      
25 B 846 898 12.81      
26 B 417 443 5.01      
27 B 112 119 5.66      

Unscaled Zero Point Vibrational Energy (zpe) 18000.5 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 19123.8 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 PM6
ABC
0.35935 0.08544 0.08402

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.884
C2 0.000 1.276 0.044
C3 0.000 -1.276 0.044
F4 1.255 1.480 -0.480
F5 -1.255 -1.480 -0.480
H6 0.881 -0.014 1.561
H7 -0.881 0.014 1.561
H8 -0.697 1.223 -0.814
H9 -0.233 2.170 0.655
H10 0.697 -1.223 -0.814
H11 0.233 -2.170 0.655

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52771.52772.37202.37201.11151.11152.20622.19412.20622.1941
C21.52772.55201.37493.07352.17762.16151.10711.10682.73293.5070
C31.52772.55203.07351.37492.16152.17762.73293.50701.10711.1068
F42.37201.37493.07353.88092.55713.29851.99651.99352.78063.9564
F52.37203.07351.37493.88093.29852.55712.78063.95641.99651.9935
H61.11152.17762.16152.55713.29851.76303.10892.61352.67232.4271
H71.11152.16152.17763.29852.55711.76302.67232.42713.10892.6135
H82.20621.10712.73291.99652.78063.10892.67231.80812.81543.8122
H92.19411.10683.50701.99353.95642.61352.42711.80813.81224.3640
H102.20622.73291.10712.78061.99652.67233.10892.81543.81221.8081
H112.19413.50701.10683.95641.99352.42712.61353.81224.36401.8081

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 109.495 C1 C2 H8 112.743
C1 C2 H9 111.782 C1 C3 F5 109.495
C1 C3 H10 112.743 C1 C3 H11 111.782
C2 C1 C3 113.285 C2 C1 H6 110.201
C2 C1 H7 108.943 C3 C1 H6 108.943
C3 C1 H7 110.201 F4 C2 H8 106.603
F4 C2 H9 106.381 F5 C3 H10 106.603
F5 C3 H11 106.381 H6 C1 H7 104.937
H8 C2 H9 109.510 H10 C3 H11 109.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability