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

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-316.610414
Energy at 298.15K 
HF Energy-315.961154
Nuclear repulsion energy189.426692
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 CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3263 3014 32.65      
2 A 3204 2960 4.71      
3 A 3175 2933 7.84      
4 A 1622 1498 0.38      
5 A 1566 1447 8.77      
6 A 1531 1414 14.36      
7 A 1384 1279 0.15      
8 A 1314 1214 0.90      
9 A 1197 1106 27.54      
10 A 1083 1000 38.70      
11 A 931 860 0.05      
12 A 575 531 4.22      
13 A 262 242 4.45      
14 A 91 84 3.88      
15 B 3263 3014 34.58      
16 B 3226 2980 22.68      
17 B 3200 2955 61.53      
18 B 1625 1501 2.25      
19 B 1514 1399 16.40      
20 B 1480 1367 6.69      
21 B 1329 1227 7.67      
22 B 1199 1107 26.06      
23 B 1174 1084 87.55      
24 B 1029 950 22.50      
25 B 831 768 2.40      
26 B 435 402 8.27      
27 B 212 196 12.44      

Unscaled Zero Point Vibrational Energy (zpe) 20856.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 19265.1 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 CID/6-31G*
ABC
0.30148 0.10242 0.09515

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.989
C2 0.000 1.252 0.144
C3 0.000 -1.252 0.144
F4 1.149 1.269 -0.633
F5 -1.149 -1.269 -0.633
H6 0.880 -0.003 1.632
H7 -0.880 0.003 1.632
H8 -0.855 1.273 -0.525
H9 -0.000 2.149 0.759
H10 0.855 -1.273 -0.525
H11 0.000 -2.149 0.759

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51061.51062.35862.35861.09031.09032.15562.16182.15562.1618
C21.51062.50381.38752.87732.13652.13321.08641.08782.74853.4565
C31.51062.50382.87731.38752.13322.13652.74853.45651.08641.0878
F42.35861.38752.87733.42402.61183.29472.00762.00842.56093.8655
F52.35862.87731.38753.42403.29472.61182.56093.86552.00762.0084
H61.09032.13652.13322.61183.29471.76093.04912.48422.50402.4793
H71.09032.13322.13653.29472.61181.76092.50402.47933.04912.4842
H82.15561.08642.74852.00762.56093.04912.50401.77443.06723.7541
H92.16181.08783.45652.00843.86552.48422.47931.77443.75414.2990
H102.15562.74851.08642.56092.00762.50403.04913.06723.75411.7744
H112.16183.45651.08783.86552.00842.47932.48423.75414.29901.7744

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 108.873 C1 C2 H8 111.153
C1 C2 H9 111.570 C1 C3 F5 108.873
C1 C3 H10 111.153 C1 C3 H11 111.570
C2 C1 C3 111.942 C2 C1 H6 109.401
C2 C1 H7 109.143 C3 C1 H6 109.143
C3 C1 H7 109.401 F4 C2 H8 107.873
F4 C2 H9 107.845 F5 C3 H10 107.873
F5 C3 H11 107.845 H6 C1 H7 107.716
H8 C2 H9 109.398 H10 C3 H11 109.398
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability