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: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-218.389050
Energy at 298.15K-218.396896
HF Energy-218.389050
Nuclear repulsion energy132.875110
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 mPW1PW91/6-311G**
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' 3149 3012 29.93      
2 A' 3144 3008 49.30      
3 A' 3063 2930 9.47      
4 A' 3060 2927 28.94      
5 A' 1512 1447 7.60      
6 A' 1490 1426 7.34      
7 A' 1419 1357 23.31      
8 A' 1384 1324 9.70      
9 A' 1202 1150 12.53      
10 A' 1164 1114 56.35      
11 A' 964 922 41.60      
12 A' 837 800 10.37      
13 A' 476 456 3.07      
14 A' 350 335 0.96      
15 A' 255 244 0.13      
16 A" 3147 3010 17.10      
17 A" 3136 3001 0.00      
18 A" 3059 2926 14.19      
19 A" 1487 1423 0.00      
20 A" 1480 1416 0.01      
21 A" 1417 1355 37.39      
22 A" 1374 1314 0.83      
23 A" 1174 1124 13.99      
24 A" 944 903 0.02      
25 A" 932 892 0.75      
26 A" 409 392 7.16      
27 A" 214 205 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 21120.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20205.6 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 mPW1PW91/6-311G**
ABC
0.29234 0.27102 0.16057

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.280 0.240 0.000
F2 -0.870 1.038 0.000
H3 1.128 0.933 0.000
C4 0.280 -0.582 1.268
C5 0.280 -0.582 -1.268
H6 1.192 -1.178 1.339
H7 1.192 -1.178 -1.339
H8 0.223 0.069 2.142
H9 0.223 0.069 -2.142
H10 -0.579 -1.257 1.282
H11 -0.579 -1.257 -1.282

Atom - Atom Distances (Å)
  C1 F2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.39921.09521.51091.51092.15362.15362.14962.14962.14982.1498
F21.39922.00072.35612.35613.30993.30992.59282.59282.64442.6444
H31.09522.00072.14962.14962.50112.50112.48062.48063.05803.0580
C41.51092.35612.14962.53581.09232.82601.09093.47181.09222.7744
C51.51092.35612.14962.53582.82601.09233.47181.09092.77441.0922
H62.15363.30992.50111.09232.82602.67881.77113.82271.77323.1647
H72.15363.30992.50112.82601.09232.67883.82271.77113.16471.7732
H82.14962.59282.48061.09093.47181.77113.82274.28411.77153.7585
H92.14962.59282.48063.47181.09093.82271.77114.28413.75851.7715
H102.14982.64443.05801.09222.77441.77323.16471.77153.75852.5650
H112.14982.64443.05802.77441.09223.16471.77323.75851.77152.5650

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 110.384 C1 C4 H10 110.321
C1 C5 H7 110.618 C1 C5 H9 110.384
C1 C5 H11 110.321 F2 C1 H3 106.015
F2 C1 C4 108.059 F2 C1 C5 108.059
H3 C1 C4 110.121 H3 C1 C5 110.121
C4 C1 C5 114.106 H7 C5 H9 108.441
H7 C5 H11 108.531 H8 C4 H10 108.481
H9 C5 H11 108.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.095      
2 F -0.293      
3 H 0.111      
4 C -0.336      
5 C -0.336      
6 H 0.118      
7 H 0.118      
8 H 0.135      
9 H 0.135      
10 H 0.126      
11 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.481 -1.158 0.000 1.880
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.806 1.518 0.000
y 1.518 -26.340 0.000
z 0.000 0.000 -24.624
Traceless
 xyz
x -0.324 1.518 0.000
y 1.518 -1.125 0.000
z 0.000 0.000 1.449
Polar
3z2-r22.898
x2-y20.535
xy1.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.064 -0.022 0.000
y -0.022 5.152 0.000
z 0.000 0.000 5.785


<r2> (average value of r2) Å2
<r2> 85.340
(<r2>)1/2 9.238