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: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-218.292893
Energy at 298.15K-218.300692
HF Energy-218.292893
Nuclear repulsion energy133.303082
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 B1B95/6-31G(2df,p)
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' 3166 3032 22.78      
2 A' 3161 3028 41.92      
3 A' 3072 2942 7.20      
4 A' 3045 2916 36.87      
5 A' 1510 1446 4.19      
6 A' 1489 1426 5.18      
7 A' 1411 1351 22.36      
8 A' 1387 1329 8.51      
9 A' 1199 1148 18.03      
10 A' 1177 1127 51.72      
11 A' 979 938 29.30      
12 A' 841 805 5.00      
13 A' 467 447 2.21      
14 A' 340 326 0.85      
15 A' 252 241 0.05      
16 A" 3164 3030 13.89      
17 A" 3155 3022 0.12      
18 A" 3069 2940 13.79      
19 A" 1484 1421 0.04      
20 A" 1477 1415 0.02      
21 A" 1408 1348 30.06      
22 A" 1369 1311 1.72      
23 A" 1170 1120 12.93      
24 A" 939 899 0.03      
25 A" 921 882 0.76      
26 A" 401 384 5.45      
27 A" 210 202 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21131.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 20237.8 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 B1B95/6-31G(2df,p)
ABC
0.29488 0.27208 0.16163

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.274 0.245 0.000
F2 -0.857 1.038 0.000
H3 1.137 0.922 0.000
C4 0.274 -0.582 1.265
C5 0.274 -0.582 -1.265
H6 1.183 -1.183 1.331
H7 1.183 -1.183 -1.331
H8 0.223 0.064 2.142
H9 0.223 0.064 -2.142
H10 -0.587 -1.253 1.278
H11 -0.587 -1.253 -1.278

Atom - Atom Distances (Å)
  C1 F2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.38151.09641.51171.51172.15302.15302.15032.15032.14912.1491
F21.38151.99672.34662.34663.29623.29622.58922.58922.63772.6377
H31.09641.99672.14652.14652.49092.49092.48172.48173.05523.0552
C41.51172.34662.14652.53091.09122.81541.09023.46871.09162.7678
C51.51172.34662.14652.53092.81541.09123.46871.09022.76781.0916
H62.15303.29622.49091.09122.81542.66141.77043.81261.77143.1529
H72.15303.29622.49092.81541.09122.66143.81261.77043.15291.7714
H82.15032.58922.48171.09023.46871.77043.81264.28421.77123.7534
H92.15032.58922.48173.46871.09023.81261.77044.28423.75341.7712
H102.14912.63773.05521.09162.76781.77143.15291.77123.75342.5562
H112.14912.63773.05522.76781.09163.15291.77143.75341.77122.5562

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 110.418 C1 C4 H10 110.240
C1 C5 H7 110.573 C1 C5 H9 110.418
C1 C5 H11 110.240 F2 C1 H3 106.809
F2 C1 C4 108.315 F2 C1 C5 108.315
H3 C1 C4 109.743 H3 C1 C5 109.743
C4 C1 C5 113.668 H7 C5 H9 108.506
H7 C5 H11 108.495 H8 C4 H10 108.547
H9 C5 H11 108.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.144      
2 F -0.190      
3 H 0.092      
4 C -0.429      
5 C -0.429      
6 H 0.129      
7 H 0.129      
8 H 0.140      
9 H 0.140      
10 H 0.137      
11 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.265 -1.035 0.000 1.635
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.326 1.354 0.000
y 1.354 -25.799 0.000
z 0.000 0.000 -24.280
Traceless
 xyz
x -0.287 1.354 0.000
y 1.354 -0.996 0.000
z 0.000 0.000 1.283
Polar
3z2-r22.565
x2-y20.473
xy1.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.948 -0.036 0.000
y -0.036 5.039 0.000
z 0.000 0.000 5.605


<r2> (average value of r2) Å2
<r2> 84.666
(<r2>)1/2 9.201