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

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-316.800820
Energy at 298.15K 
HF Energy-315.986323
Nuclear repulsion energy187.368927
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 CCD/6-31+G**
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 3216 3031 23.92      
2 A 3152 2970 4.28      
3 A 3119 2939 9.21      
4 A 1570 1479 0.18      
5 A 1513 1426 8.26      
6 A 1473 1388 12.46      
7 A 1340 1263 0.34      
8 A 1266 1193 0.95      
9 A 1152 1086 22.32      
10 A 1031 972 45.69      
11 A 899 847 0.52      
12 A 546 515 4.19      
13 A 249 235 5.11      
14 A 84 79 5.03      
15 B 3216 3030 22.38      
16 B 3174 2991 24.83      
17 B 3149 2967 50.37      
18 B 1569 1478 2.30      
19 B 1463 1379 13.43      
20 B 1429 1347 9.05      
21 B 1281 1207 6.51      
22 B 1158 1091 9.30      
23 B 1118 1054 110.10      
24 B 985 928 33.19      
25 B 804 758 4.13      
26 B 423 399 9.23      
27 B 188 177 12.33      

Unscaled Zero Point Vibrational Energy (zpe) 20282.5 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 19112.2 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 CCD/6-31+G**
ABC
0.30543 0.09737 0.09155

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.975
C2 0.000 1.263 0.136
C3 0.000 -1.263 0.136
F4 1.188 1.314 -0.617
F5 -1.188 -1.314 -0.617
H6 0.883 -0.003 1.619
H7 -0.883 0.003 1.619
H8 -0.828 1.281 -0.570
H9 -0.024 2.157 0.758
H10 0.828 -1.281 -0.570
H11 0.024 -2.157 0.758

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51561.51562.38132.38131.09281.09282.17092.16802.17092.1680
C21.51562.52521.40722.93562.14012.13601.08881.08962.76653.4757
C31.51562.52522.93561.40722.13602.14012.76653.47571.08881.0896
F42.38131.40722.93563.54282.61293.31702.01672.01682.62023.9109
F52.38132.93561.40723.54283.31702.61292.62023.91092.01672.0168
H61.09282.14012.13602.61293.31701.76573.06082.49612.53492.4732
H71.09282.13602.14013.31702.61291.76572.53492.47323.06082.4961
H82.17091.08882.76652.01672.62023.06082.53491.78313.05053.7826
H92.16801.08963.47572.01683.91092.49612.47321.78313.78264.3143
H102.17092.76651.08882.62022.01672.53493.06083.05053.78261.7831
H112.16803.47571.08963.91092.01682.47322.49613.78264.31431.7831

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 109.065 C1 C2 H8 111.890
C1 C2 H9 111.604 C1 C3 F5 109.065
C1 C3 H10 111.890 C1 C3 H11 111.604
C2 C1 C3 112.828 C2 C1 H6 109.189
C2 C1 H7 108.866 C3 C1 H6 108.866
C3 C1 H7 109.189 F4 C2 H8 107.109
F4 C2 H9 107.068 F5 C3 H10 107.109
F5 C3 H11 107.068 H6 C1 H7 107.777
H8 C2 H9 109.882 H10 C3 H11 109.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability