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: B3PW91/6-31G*

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 B3PW91/6-31G*
 hartrees
Energy at 0K-218.291804
Energy at 298.15K-218.299631
HF Energy-218.291804
Nuclear repulsion energy127.954501
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 B3PW91/6-31G*
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' 3142 3006 27.71      
2 A' 3066 2933 40.06      
3 A' 3056 2924 21.41      
4 A' 3040 2909 33.54      
5 A' 1550 1483 2.11      
6 A' 1533 1467 5.58      
7 A' 1519 1454 0.42      
8 A' 1454 1391 20.24      
9 A' 1438 1375 1.76      
10 A' 1346 1287 1.83      
11 A' 1152 1102 3.77      
12 A' 1098 1051 94.38      
13 A' 1058 1012 4.20      
14 A' 911 872 9.43      
15 A' 452 432 5.80      
16 A' 265 254 2.88      
17 A" 3132 2996 71.74      
18 A" 3108 2973 11.54      
19 A" 3081 2948 22.37      
20 A" 1527 1461 8.25      
21 A" 1329 1272 0.25      
22 A" 1282 1226 0.26      
23 A" 1206 1154 1.13      
24 A" 903 864 2.10      
25 A" 772 738 2.38      
26 A" 235 225 0.00      
27 A" 131 126 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 21392.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20466.2 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 B3PW91/6-31G*
ABC
0.91031 0.12462 0.11681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.124 -0.788 0.000
C2 0.000 0.723 0.000
C3 -1.456 1.184 0.000
F4 1.461 -1.157 0.000
H5 -0.351 -1.223 0.890
H6 -0.351 -1.223 -0.890
H7 0.524 1.115 -0.880
H8 0.524 1.115 0.880
H9 -1.521 2.276 0.000
H10 -1.992 0.821 -0.885
H11 -1.992 0.821 0.885

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.51602.52681.38671.09861.09862.13462.13463.47802.80192.8019
C21.51601.52712.38112.16802.16801.09711.09712.17392.18212.1821
C32.52681.52713.74012.79322.79322.16822.16821.09471.09681.0968
F41.38672.38113.74012.02012.02012.61072.61074.54764.07674.0767
H51.09862.16802.79322.02011.77953.06022.49643.79503.16502.6204
H61.09862.16802.79322.02011.77952.49643.06023.79502.62043.1650
H72.13461.09712.16822.61073.06022.49641.76062.51112.53363.0881
H82.13461.09712.16822.61072.49643.06021.76062.51113.08812.5336
H93.47802.17391.09474.54763.79503.79502.51112.51111.76791.7679
H102.80192.18211.09684.07673.16502.62042.53363.08811.76791.7705
H112.80192.18211.09684.07672.62043.16503.08812.53361.76791.7705

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 112.263 C1 C2 H7 108.485
C1 C2 H8 108.485 C2 C1 F4 110.149
C2 C1 H5 111.025 C2 C1 H6 111.025
C2 C3 H9 110.947 C2 C3 H10 111.480
C2 C3 H11 111.480 C3 C2 H7 110.354
C3 C2 H8 110.354 F4 C1 H5 108.183
F4 C1 H6 108.183 H5 C1 H6 108.173
H7 C2 H8 106.717 H9 C3 H10 107.552
H9 C3 H11 107.552 H10 C3 H11 107.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 C -0.351      
3 C -0.526      
4 F -0.318      
5 H 0.148      
6 H 0.148      
7 H 0.177      
8 H 0.177      
9 H 0.180      
10 H 0.171      
11 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.608 0.736 0.000 1.768
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.541 2.008 0.000
y 2.008 -25.458 0.000
z 0.000 0.000 -24.314
Traceless
 xyz
x -2.655 2.008 0.000
y 2.008 0.469 0.000
z 0.000 0.000 2.186
Polar
3z2-r24.372
x2-y2-2.083
xy2.008
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.100 -0.230 0.000
y -0.230 5.104 0.000
z 0.000 0.000 4.744


<r2> (average value of r2) Å2
<r2> 103.191
(<r2>)1/2 10.158

Conformer 2 (C1 gauche)

Jump to S1C1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-218.292211
Energy at 298.15K 
HF Energy-218.292211
Nuclear repulsion energy130.403271
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 B3PW91/6-31G*
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 3153 3017 23.78      
2 A 3135 2999 43.66      
3 A 3103 2968 49.62      
4 A 3091 2957 31.14      
5 A 3061 2928 20.64      
6 A 3055 2923 22.45      
7 A 3044 2913 41.39      
8 A 1544 1477 0.68      
9 A 1535 1468 8.55      
10 A 1521 1455 7.53      
11 A 1503 1437 2.31      
12 A 1451 1388 15.88      
13 A 1432 1370 6.68      
14 A 1396 1336 0.67      
15 A 1317 1260 1.10      
16 A 1285 1230 0.83      
17 A 1191 1139 1.37      
18 A 1140 1090 19.58      
19 A 1109 1061 41.76      
20 A 1002 959 36.85      
21 A 931 891 3.43      
22 A 889 850 3.70      
23 A 778 744 0.64      
24 A 481 460 3.09      
25 A 316 302 1.15      
26 A 221 212 1.77      
27 A 145 139 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 21413.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20486.3 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 B3PW91/6-31G*
ABC
0.48192 0.17125 0.14378

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.803 0.512 0.292
C2 -0.594 0.661 -0.278
C3 -1.523 -0.484 0.118
F4 1.385 -0.662 -0.170
H5 1.446 1.349 -0.009
H6 0.779 0.467 1.389
H7 -0.520 0.724 -1.371
H8 -1.000 1.622 0.066
H9 -2.514 -0.366 -0.333
H10 -1.111 -1.443 -0.211
H11 -1.654 -0.531 1.206

Atom - Atom Distances (Å)
  C1 C2 C3 F4 H5 H6 H7 H8 H9 H10 H11
C11.51602.53621.38951.09761.09862.13492.12913.48732.78142.8210
C21.51601.52622.38292.17042.16831.09761.09882.17732.16672.1780
C32.53621.52622.92743.49192.79632.16412.17081.09511.09421.0969
F41.38952.38292.92742.01882.01782.64433.31073.91312.61503.3377
H51.09762.17043.49192.01881.78232.47212.46264.32763.79133.8235
H61.09862.16832.79632.01781.78233.06112.50003.80823.12722.6357
H72.13491.09762.16412.64432.47213.06111.76112.49822.52763.0826
H82.12911.09882.17083.31072.46262.50001.76112.53043.07932.5227
H93.48732.17731.09513.91314.32763.80822.49822.53041.77271.7713
H102.78142.16671.09422.61503.79133.12722.52763.07931.77271.7705
H112.82102.17801.09693.33773.82352.63573.08262.52271.77131.7705

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 112.956 C1 C2 H7 108.485
C1 C2 H8 107.969 C2 C1 F4 110.123
C2 C1 H5 111.279 C2 C1 H6 111.054
C2 C3 H9 111.266 C2 C3 H10 110.468
C2 C3 H11 111.209 C3 C2 H7 110.068
C3 C2 H8 110.521 F4 C1 H5 107.956
F4 C1 H6 107.809 H5 C1 H6 108.497
H7 C2 H8 106.609 H9 C3 H10 108.137
H9 C3 H11 107.813 H10 C3 H11 107.809
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.017      
2 C -0.349      
3 C -0.512      
4 F -0.317      
5 H 0.152      
6 H 0.148      
7 H 0.177      
8 H 0.162      
9 H 0.171      
10 H 0.188      
11 H 0.165      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.872 1.339 0.414 1.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.384 1.584 0.584
y 1.584 -24.954 0.051
z 0.584 0.051 -24.419
Traceless
 xyz
x -1.698 1.584 0.584
y 1.584 0.447 0.051
z 0.584 0.051 1.251
Polar
3z2-r22.501
x2-y2-1.430
xy1.584
xz0.584
yz0.051


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.256 0.223 0.036
y 0.223 4.903 -0.023
z 0.036 -0.023 4.795


<r2> (average value of r2) Å2
<r2> 91.165
(<r2>)1/2 9.548