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All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-315.515563
Energy at 298.15K 
HF Energy-315.515563
Nuclear repulsion energy187.546011
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 PBEPBE/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 3041 2899 37.55 41.59 0.52 0.68
2 A 3012 2872 1.61 134.66 0.13 0.23
3 A 2983 2845 0.01 125.72 0.08 0.15
4 A 1513 1443 2.41 22.08 0.73 0.85
5 A 1472 1404 8.91 12.19 0.75 0.86
6 A 1421 1355 5.40 6.13 0.75 0.86
7 A 1305 1244 0.64 27.76 0.72 0.84
8 A 1230 1173 0.00 15.74 0.74 0.85
9 A 1097 1046 6.55 3.48 0.74 0.85
10 A 986 940 31.45 5.07 0.65 0.79
11 A 870 830 0.79 10.09 0.16 0.27
12 A 531 507 2.51 0.94 0.71 0.83
13 A 258 246 3.60 0.36 0.55 0.71
14 A 95 91 2.42 0.05 0.56 0.72
15 B 3070 2927 23.36 32.32 0.75 0.86
16 B 3033 2892 22.89 78.35 0.75 0.86
17 B 2981 2843 78.93 37.38 0.75 0.86
18 B 1531 1460 7.56 0.06 0.75 0.86
19 B 1390 1326 11.11 2.03 0.75 0.86
20 B 1371 1307 2.91 3.70 0.75 0.86
21 B 1218 1162 5.62 3.95 0.75 0.86
22 B 1099 1048 15.09 0.08 0.75 0.86
23 B 1050 1001 36.17 3.53 0.75 0.86
24 B 962 917 19.68 5.13 0.75 0.86
25 B 770 734 3.71 0.57 0.75 0.86
26 B 380 362 6.25 0.35 0.75 0.86
27 B 211 201 14.95 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19439.4 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 18535.4 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 PBEPBE/3-21G*
ABC
0.27710 0.10582 0.09722

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.048
C2 0.000 1.239 0.150
C3 0.000 -1.239 0.150
F4 1.183 1.189 -0.664
F5 -1.183 -1.189 -0.664
H6 0.899 -0.006 1.688
H7 -0.899 0.006 1.688
H8 -0.891 1.183 -0.499
H9 -0.012 2.173 0.740
H10 0.891 -1.183 -0.499
H11 0.012 -2.173 0.740

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.53041.53042.39642.39641.10351.10352.14192.19492.14192.1949
C21.53042.47831.43642.82082.17332.16661.10411.10462.66143.4628
C31.53042.47832.82081.43642.16662.17332.66143.46281.10411.1046
F42.39641.43642.82083.35432.65273.35602.08072.08932.39563.8267
F52.39642.82081.43643.35433.35602.65272.39563.82672.08072.0893
H61.10352.17332.16662.65273.35601.79863.06622.54512.48342.5263
H71.10352.16662.17333.35602.65271.79862.48342.52633.06622.5451
H82.14191.10412.66142.08072.39563.06622.48341.81312.96263.6898
H92.19491.10463.46282.08933.82672.54512.52631.81313.68984.3462
H102.14192.66141.10412.39562.08072.48343.06622.96263.68981.8131
H112.19493.46281.10463.82672.08932.52632.54513.68984.34621.8131

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 107.708 C1 C2 H8 107.688
C1 C2 H9 111.794 C1 C3 F5 107.708
C1 C3 H10 107.688 C1 C3 H11 111.794
C2 C1 C3 108.130 C2 C1 H6 110.149
C2 C1 H7 109.619 C3 C1 H6 109.619
C3 C1 H7 110.149 F4 C2 H8 109.276
F4 C2 H9 109.934 F5 C3 H10 109.276
F5 C3 H11 109.934 H6 C1 H7 109.162
H8 C2 H9 110.356 H10 C3 H11 110.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.514      
2 C -0.114      
3 C -0.114      
4 F -0.264      
5 F -0.264      
6 H 0.222      
7 H 0.222      
8 H 0.213      
9 H 0.200      
10 H 0.213      
11 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.933 1.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.407 -3.352 0.000
y -3.352 -28.097 0.000
z 0.000 0.000 -29.321
Traceless
 xyz
x -2.699 -3.352 0.000
y -3.352 2.268 0.000
z 0.000 0.000 0.431
Polar
3z2-r20.862
x2-y2-3.311
xy-3.352
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.579 -0.024 0.000
y -0.024 5.082 0.000
z 0.000 0.000 4.534


<r2> (average value of r2) Å2
<r2> 125.076
(<r2>)1/2 11.184