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All results from a given calculation for CH2FCH2CH3 (1-Fluoropropane)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 gauche 1A

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-217.717696
Energy at 298.15K 
HF Energy-217.110882
Nuclear repulsion energy127.709452
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 QCISD/6-31G*
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-217.718589
Energy at 298.15K 
HF Energy-217.111254
Nuclear repulsion energy130.295565
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 QCISD/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 3163 3012 23.54      
2 A 3141 2991 47.45      
3 A 3124 2975 49.61      
4 A 3106 2958 16.36      
5 A 3072 2926 23.70      
6 A 3069 2922 33.29      
7 A 3062 2916 19.42      
8 A 1573 1498 0.31      
9 A 1559 1485 7.92      
10 A 1547 1473 6.45      
11 A 1534 1461 1.47      
12 A 1475 1404 10.29      
13 A 1463 1393 10.66      
14 A 1424 1356 1.23      
15 A 1336 1272 0.71      
16 A 1299 1237 0.68      
17 A 1216 1158 1.86      
18 A 1158 1103 11.50      
19 A 1127 1073 38.49      
20 A 1012 963 39.24      
21 A 947 902 3.27      
22 A 905 862 3.86      
23 A 792 755 0.47      
24 A 491 468 3.76      
25 A 324 309 1.38      
26 A 236 225 2.20      
27 A 149 142 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 21650.9 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 20618.2 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 QCISD/6-31G*
ABC
0.47417 0.17311 0.14456

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.801 0.523 0.294
C2 -0.595 0.667 -0.281
C3 -1.512 -0.489 0.120
F4 1.373 -0.670 -0.170
H5 1.456 1.348 -0.014
H6 0.780 0.475 1.391
H7 -0.515 0.724 -1.375
H8 -1.010 1.627 0.060
H9 -2.508 -0.377 -0.324
H10 -1.090 -1.442 -0.215
H11 -1.631 -0.535 1.211

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.51642.53051.40181.09761.09852.13492.13343.48412.77442.8064
C21.51641.52882.38142.17762.17291.09851.10012.17932.16732.1779
C32.53051.52882.90513.49302.79182.16812.17511.09641.09501.0981
F41.40182.38142.90512.02572.02462.63823.31733.89502.58193.3092
H51.09762.17763.49302.02571.78732.47542.48264.33393.78293.8180
H61.09852.17292.79182.02461.78733.06432.51003.80443.12252.6199
H72.13491.09852.16812.63822.47543.06431.76622.50722.52383.0850
H82.13341.10012.17513.31732.48262.51001.76622.53073.08232.5263
H93.48412.17931.09643.89504.33393.80442.50722.53071.77701.7748
H102.77442.16731.09502.58193.78293.12252.52383.08231.77701.7745
H112.80642.17791.09813.30923.81802.61993.08502.52631.77481.7745

picture of 1-Fluoropropane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.398 C1 C2 H7 108.400
C1 C2 H8 108.199 C2 C1 F4 109.320
C2 C1 H5 111.828 C2 C1 H6 111.398
C2 C3 H9 111.162 C2 C3 H10 110.290
C2 C3 H11 110.947 C3 C2 H7 110.143
C3 C2 H8 110.608 F4 C1 H5 107.665
F4 C1 H6 107.521 H5 C1 H6 108.947
H7 C2 H8 106.904 H9 C3 H10 108.361
H9 C3 H11 107.948 H10 C3 H11 108.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability