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 CH3CHFCH3 (2-Fluoropropane)

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-218.220221
Energy at 298.15K-218.228058
HF Energy-218.220221
Nuclear repulsion energy133.010627
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 PBE1PBE/aug-cc-pVTZ
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' 3139 3018 22.80      
2 A' 3134 3013 38.15      
3 A' 3054 2936 8.55      
4 A' 3044 2927 23.73      
5 A' 1501 1443 7.24      
6 A' 1482 1425 7.15      
7 A' 1408 1354 20.68      
8 A' 1366 1313 9.80      
9 A' 1198 1151 12.35      
10 A' 1155 1111 61.27      
11 A' 961 924 43.49      
12 A' 835 803 11.02      
13 A' 476 458 2.79      
14 A' 350 336 1.06      
15 A' 252 242 0.04      
16 A" 3137 3016 14.95      
17 A" 3126 3006 0.00      
18 A" 3050 2933 12.20      
19 A" 1476 1419 0.01      
20 A" 1471 1415 0.00      
21 A" 1406 1352 33.14      
22 A" 1370 1317 0.24      
23 A" 1171 1126 13.75      
24 A" 940 903 0.00      
25 A" 927 891 0.85      
26 A" 410 394 6.22      
27 A" 211 203 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 21024.3 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 20214.8 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 PBE1PBE/aug-cc-pVTZ
ABC
0.29199 0.27248 0.16090

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.278 0.239 0.000
F2 -0.867 1.042 0.000
H3 1.127 0.931 0.000
C4 0.278 -0.583 1.264
C5 0.278 -0.583 -1.264
H6 1.189 -1.180 1.326
H7 1.189 -1.180 -1.326
H8 0.228 0.062 2.142
H9 0.228 0.062 -2.142
H10 -0.580 -1.259 1.279
H11 -0.580 -1.259 -1.279

Atom - Atom Distances (Å)
  C1 F2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.39791.09541.50821.50822.14622.14622.14982.14982.14812.1481
F21.39791.99682.35572.35573.30553.30552.59752.59752.64782.6478
H31.09541.99682.14752.14752.49412.49412.47992.47993.05663.0566
C41.50822.35572.14752.52861.09182.81071.09053.46721.09192.7674
C51.50822.35572.14752.52862.81071.09183.46721.09052.76741.0919
H62.14623.30552.49411.09182.81072.65281.77013.80751.77183.1502
H72.14623.30552.49412.81071.09182.65283.80751.77013.15021.7718
H82.14982.59752.47991.09053.46721.77013.80754.28391.77303.7549
H92.14982.59752.47993.46721.09053.80751.77014.28393.75491.7730
H102.14812.64783.05661.09192.76741.77183.15021.77303.75492.5574
H112.14812.64783.05662.76741.09193.15021.77183.75491.77302.5574

picture of 2-Fluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H8 110.607 C1 C4 H10 110.389
C1 C5 H7 110.241 C1 C5 H9 110.607
C1 C5 H11 110.389 F2 C1 H3 105.789
F2 C1 C4 108.251 F2 C1 C5 108.251
H3 C1 C4 110.136 H3 C1 C5 110.136
C4 C1 C5 113.920 H7 C5 H9 108.409
H7 C5 H11 108.465 H8 C4 H10 108.667
H9 C5 H11 108.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.505      
2 F -0.493      
3 H 0.245      
4 C -0.823      
5 C -0.823      
6 H 0.250      
7 H 0.250      
8 H 0.207      
9 H 0.207      
10 H 0.238      
11 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.527 -1.223 0.000 1.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.124 1.617 0.000
y 1.617 -26.589 0.000
z 0.000 0.000 -24.741
Traceless
 xyz
x -0.459 1.617 0.000
y 1.617 -1.157 0.000
z 0.000 0.000 1.615
Polar
3z2-r23.231
x2-y20.465
xy1.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.785 -0.112 0.000
y -0.112 5.932 0.000
z 0.000 0.000 6.588


<r2> (average value of r2) Å2
<r2> 85.323
(<r2>)1/2 9.237