return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS trans 1A'
1 2 yes C1 gauche 1A

Conformer 1 (CS trans)

Jump to S1C2
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-218.095636
Energy at 298.15K-218.103382
HF Energy-218.095636
Nuclear repulsion energy127.198176
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 PBEPBEultrafine/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' 3068 3018 25.56      
2 A' 2989 2940 43.75      
3 A' 2983 2934 11.39      
4 A' 2947 2899 42.04      
5 A' 1504 1480 2.41      
6 A' 1489 1464 4.56      
7 A' 1475 1451 0.45      
8 A' 1408 1385 20.09      
9 A' 1391 1368 0.77      
10 A' 1303 1282 2.01      
11 A' 1118 1100 2.51      
12 A' 1059 1041 88.05      
13 A' 1033 1016 6.27      
14 A' 886 871 9.58      
15 A' 440 433 5.39      
16 A' 257 253 2.46      
17 A" 3056 3006 59.57      
18 A" 3029 2979 11.82      
19 A" 2986 2937 33.84      
20 A" 1484 1459 7.99      
21 A" 1290 1269 0.31      
22 A" 1242 1221 0.10      
23 A" 1170 1150 0.80      
24 A" 878 864 2.13      
25 A" 754 742 2.60      
26 A" 230 226 0.00      
27 A" 133 131 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 20801.3 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 20458.1 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 PBEPBEultrafine/6-31G*
ABC
0.89921 0.12329 0.11557

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.791 0.000
C2 0.000 0.727 0.000
C3 -1.461 1.191 0.000
F4 1.469 -1.166 0.000
H5 -0.361 -1.226 0.897
H6 -0.361 -1.226 -0.897
H7 0.529 1.121 -0.887
H8 0.529 1.121 0.887
H9 -1.526 2.291 0.000
H10 -2.001 0.825 -0.891
H11 -2.001 0.825 0.891

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.52272.53731.39701.10841.10842.14592.14593.49592.81422.8142
C21.52271.53312.39562.17912.17911.10531.10532.18582.19312.1931
C32.53731.53313.76022.80272.80272.18022.18021.10241.10461.1046
F41.39702.39563.76022.03922.03922.62602.62604.57414.09884.0988
H51.10842.17912.80272.03921.79363.07922.51003.81233.17702.6261
H61.10842.17912.80272.03921.79362.51003.07923.81232.62613.1770
H72.14591.10532.18022.62603.07922.51001.77362.52642.54793.1070
H82.14591.10532.18022.62602.51003.07921.77362.52643.10702.5479
H93.49592.18581.10244.57413.81233.81232.52642.52641.78061.7806
H102.81422.19311.10464.09883.17702.62612.54793.10701.78061.7826
H112.81422.19311.10464.09882.62613.17703.10702.54791.78061.7826

picture of 1-Fluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.264 C1 C2 H7 108.444
C1 C2 H8 108.444 C2 C1 F4 110.198
C2 C1 H5 110.849 C2 C1 H6 110.849
C2 C3 H9 111.011 C2 C3 H10 111.458
C2 C3 H11 111.458 C3 C2 H7 110.398
C3 C2 H8 110.398 F4 C1 H5 108.420
F4 C1 H6 108.420 H5 C1 H6 108.019
H7 C2 H8 106.706 H9 C3 H10 107.565
H9 C3 H11 107.565 H10 C3 H11 107.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.011      
2 C -0.320      
3 C -0.498      
4 F -0.285      
5 H 0.136      
6 H 0.136      
7 H 0.164      
8 H 0.164      
9 H 0.169      
10 H 0.162      
11 H 0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.492 0.713 0.000 1.653
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.452 1.834 0.000
y 1.834 -25.578 0.000
z 0.000 0.000 -24.511
Traceless
 xyz
x -2.407 1.834 0.000
y 1.834 0.403 0.000
z 0.000 0.000 2.004
Polar
3z2-r24.008
x2-y2-1.874
xy1.834
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.279 -0.274 0.000
y -0.274 5.282 0.000
z 0.000 0.000 4.845


<r2> (average value of r2) Å2
<r2> 104.188
(<r2>)1/2 10.207

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-218.096277
Energy at 298.15K 
HF Energy-218.096277
Nuclear repulsion energy129.710978
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 PBEPBEultrafine/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 3079 3028 21.55      
2 A 3061 3011 38.84      
3 A 3021 2971 32.11      
4 A 3001 2951 57.08      
5 A 2988 2939 21.69      
6 A 2976 2927 11.69      
7 A 2953 2904 47.61      
8 A 1496 1472 0.66      
9 A 1493 1468 7.96      
10 A 1477 1453 7.27      
11 A 1456 1432 2.36      
12 A 1404 1381 15.10      
13 A 1382 1360 7.15      
14 A 1350 1328 0.83      
15 A 1277 1256 0.92      
16 A 1243 1222 0.50      
17 A 1155 1136 1.10      
18 A 1103 1085 11.09      
19 A 1073 1055 42.21      
20 A 971 955 39.12      
21 A 904 889 3.29      
22 A 868 854 3.67      
23 A 756 744 0.69      
24 A 469 461 2.52      
25 A 311 306 1.05      
26 A 222 218 1.77      
27 A 148 146 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 20818.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 20475.2 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 PBEPBEultrafine/6-31G*
ABC
0.47379 0.17053 0.14277

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.805 0.519 0.291
C2 -0.599 0.666 -0.279
C3 -1.524 -0.489 0.119
F4 1.387 -0.668 -0.170
H5 1.453 1.363 -0.014
H6 0.779 0.480 1.399
H7 -0.524 0.731 -1.380
H8 -1.010 1.634 0.067
H9 -2.521 -0.384 -0.340
H10 -1.094 -1.451 -0.206
H11 -1.658 -0.533 1.215

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.52252.54331.40071.10701.10832.14622.14173.50332.78092.8331
C21.52251.53222.39532.18352.17941.10581.10692.19062.17492.1888
C32.54331.53222.93063.50852.80732.17602.18441.10261.10211.1048
F41.40072.39532.93062.03822.03662.66023.33213.92182.60193.3479
H51.10702.18353.50852.03821.79722.48542.47974.35313.80013.8452
H61.10832.17942.80732.03661.79723.08002.51143.82893.13232.6461
H72.14621.10582.17602.66022.48543.08001.77392.51202.54213.1012
H82.14171.10692.18443.33212.47972.51141.77392.55293.09732.5359
H93.50332.19061.10263.92184.35313.82892.51202.55291.78631.7843
H102.78092.17491.10212.60193.80013.13232.54213.09731.78631.7827
H112.83312.18881.10483.34793.84522.64613.10122.53591.78431.7827

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 112.735 C1 C2 H7 108.453
C1 C2 H8 108.037 C2 C1 F4 109.979
C2 C1 H5 111.300 C2 C1 H6 110.895
C2 C3 H9 111.446 C2 C3 H10 110.234
C2 C3 H11 111.173 C3 C2 H7 110.105
C3 C2 H8 110.699 F4 C1 H5 108.166
F4 C1 H6 107.957 H5 C1 H6 108.436
H7 C2 H8 106.587 H9 C3 H10 108.233
H9 C3 H11 107.861 H10 C3 H11 107.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C -0.319      
3 C -0.485      
4 F -0.284      
5 H 0.140      
6 H 0.137      
7 H 0.164      
8 H 0.150      
9 H 0.160      
10 H 0.176      
11 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.816 1.242 0.370 1.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.415 1.441 0.522
y 1.441 -25.089 0.056
z 0.522 0.056 -24.612
Traceless
 xyz
x -1.565 1.441 0.522
y 1.441 0.425 0.056
z 0.522 0.056 1.140
Polar
3z2-r22.280
x2-y2-1.326
xy1.441
xz0.522
yz0.056


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.455 0.242 0.044
y 0.242 5.054 -0.021
z 0.044 -0.021 4.909


<r2> (average value of r2) Å2
<r2> 91.830
(<r2>)1/2 9.583