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: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-217.120378
Energy at 298.15K-217.128208
HF Energy-217.120378
Nuclear repulsion energy131.597108
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 B3PW91/3-21G
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' 3152 3030 36.30      
2 A' 3149 3027 25.78      
3 A' 3070 2951 5.51      
4 A' 3050 2932 34.41      
5 A' 1572 1511 12.61      
6 A' 1550 1490 7.43      
7 A' 1464 1407 16.58      
8 A' 1399 1345 19.70      
9 A' 1232 1184 17.08      
10 A' 1188 1142 33.27      
11 A' 976 938 21.17      
12 A' 829 797 2.49      
13 A' 461 443 1.93      
14 A' 349 335 1.77      
15 A' 260 250 0.14      
16 A" 3147 3025 11.48      
17 A" 3142 3021 2.22      
18 A" 3066 2947 11.22      
19 A" 1546 1486 0.39      
20 A" 1536 1477 1.20      
21 A" 1448 1391 20.76      
22 A" 1412 1358 17.77      
23 A" 1171 1125 20.13      
24 A" 981 943 1.90      
25 A" 956 919 0.08      
26 A" 372 357 6.29      
27 A" 221 212 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21349.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20521.2 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 B3PW91/3-21G
ABC
0.28151 0.27021 0.15764

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.288 0.252 0.000
F2 -0.894 1.054 0.000
H3 1.157 0.924 0.000
C4 0.288 -0.593 1.268
C5 0.288 -0.593 -1.268
H6 1.199 -1.199 1.323
H7 1.199 -1.199 -1.323
H8 0.235 0.051 2.152
H9 0.235 0.051 -2.152
H10 -0.583 -1.257 1.269
H11 -0.583 -1.257 -1.269

Atom - Atom Distances (Å)
  C1 F2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.42921.09841.52401.52402.16442.16442.16202.16202.15512.1551
F21.42922.05502.39192.39193.34793.34792.62932.62932.65472.6547
H31.09842.05502.15992.15992.50222.50222.49852.49853.06493.0649
C41.52402.39192.15992.53681.09492.81301.09483.48101.09552.7634
C51.52402.39192.15992.53682.81301.09493.48101.09482.76341.0955
H62.16443.34792.50221.09492.81302.64661.78273.81691.78363.1457
H72.16443.34792.50222.81301.09492.64663.81691.78273.14571.7836
H82.16202.62932.49851.09483.48101.78273.81694.30411.77803.7525
H92.16202.62932.49853.48101.09483.81691.78274.30413.75251.7780
H102.15512.65473.06491.09552.76341.78363.14571.77803.75252.5371
H112.15512.65473.06492.76341.09553.14571.78363.75251.77802.5371

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 110.215 C1 C4 H10 109.629
C1 C5 H7 110.395 C1 C5 H9 110.215
C1 C5 H11 109.629 F2 C1 H3 108.078
F2 C1 C4 108.138 F2 C1 C5 108.138
H3 C1 C4 109.841 H3 C1 C5 109.841
C4 C1 C5 112.671 H7 C5 H9 108.997
H7 C5 H11 109.032 H8 C4 H10 108.535
H9 C5 H11 108.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 F -0.307      
3 H 0.209      
4 C -0.642      
5 C -0.642      
6 H 0.209      
7 H 0.209      
8 H 0.229      
9 H 0.229      
10 H 0.225      
11 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.429 -1.139 0.000 1.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.601 1.544 0.000
y 1.544 -26.112 0.000
z 0.000 0.000 -24.314
Traceless
 xyz
x -0.388 1.544 0.000
y 1.544 -1.154 0.000
z 0.000 0.000 1.542
Polar
3z2-r23.085
x2-y20.511
xy1.544
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.505 -0.066 0.000
y -0.066 4.478 0.000
z 0.000 0.000 4.906


<r2> (average value of r2) Å2
<r2> 86.313
(<r2>)1/2 9.290