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

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-317.310874
Energy at 298.15K 
HF Energy-317.310874
Nuclear repulsion energy189.287108
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 HSEh1PBE/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 3111 2979 36.80 46.11 0.66 0.80
2 A 3065 2935 6.85 183.29 0.04 0.07
3 A 3053 2924 0.04 85.27 0.15 0.26
4 A 1511 1447 1.43 13.70 0.71 0.83
5 A 1452 1391 8.40 7.97 0.75 0.86
6 A 1442 1381 9.21 2.25 0.67 0.80
7 A 1313 1258 0.66 21.82 0.71 0.83
8 A 1252 1199 0.31 6.61 0.64 0.78
9 A 1142 1094 32.30 1.08 0.75 0.86
10 A 1034 991 29.27 4.58 0.69 0.82
11 A 890 853 0.02 9.53 0.13 0.24
12 A 540 517 2.76 0.53 0.68 0.81
13 A 243 232 3.04 0.17 0.23 0.38
14 A 87 83 2.62 0.01 0.57 0.73
15 B 3123 2991 32.22 17.20 0.75 0.86
16 B 3103 2972 17.39 95.63 0.75 0.86
17 B 3053 2924 69.87 37.53 0.75 0.86
18 B 1515 1451 5.41 0.02 0.75 0.86
19 B 1413 1353 12.80 2.15 0.75 0.86
20 B 1388 1329 1.16 0.44 0.75 0.86
21 B 1268 1214 7.27 0.78 0.75 0.86
22 B 1135 1087 67.61 0.89 0.75 0.86
23 B 1120 1072 43.25 3.07 0.75 0.86
24 B 975 934 13.13 3.37 0.75 0.86
25 B 778 745 0.85 0.61 0.75 0.86
26 B 414 397 5.91 0.21 0.75 0.86
27 B 184 176 8.89 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19800.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 18962.9 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 HSEh1PBE/6-31G(2df,p)
ABC
0.30486 0.10135 0.09429

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.986
C2 0.000 1.254 0.138
C3 0.000 -1.254 0.138
F4 1.143 1.291 -0.627
F5 -1.143 -1.291 -0.627
H6 0.884 -0.006 1.634
H7 -0.884 0.006 1.634
H8 -0.866 1.258 -0.534
H9 -0.031 2.155 0.761
H10 0.866 -1.258 -0.534
H11 0.031 -2.155 0.761

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51371.51372.36102.36101.09611.09612.15462.16692.15462.1669
C21.51372.50761.37582.89262.14642.13931.09611.09642.74023.4656
C31.51372.50762.89261.37582.13932.14642.74023.46561.09611.0964
F42.36101.37582.89263.44842.61933.29722.01132.01312.56533.8780
F52.36102.89261.37583.44843.29722.61932.56533.87802.01132.0131
H61.09612.14642.13932.61933.29721.76833.05942.50382.50352.4712
H71.09612.13932.14643.29722.61931.76832.50352.47123.05942.5038
H82.15461.09612.74022.01132.56533.05942.50351.78363.05373.7589
H92.16691.09643.46562.01313.87802.50382.47121.78363.75894.3106
H102.15462.74021.09612.56532.01132.50353.05943.05373.75891.7836
H112.16693.46561.09643.87802.01312.47122.50383.75894.31061.7836

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 109.499 C1 C2 H8 110.270
C1 C2 H9 111.238 C1 C3 F5 109.499
C1 C3 H10 110.270 C1 C3 H11 111.238
C2 C1 C3 111.853 C2 C1 H6 109.620
C2 C1 H7 109.061 C3 C1 H6 109.061
C3 C1 H7 109.620 F4 C2 H8 108.378
F4 C2 H9 108.512 F5 C3 H10 108.378
F5 C3 H11 108.512 H6 C1 H7 107.528
H8 C2 H9 108.878 H10 C3 H11 108.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 C -0.072      
3 C -0.072      
4 F -0.177      
5 F -0.177      
6 H 0.141      
7 H 0.141      
8 H 0.139      
9 H 0.125      
10 H 0.139      
11 H 0.125      


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 1.828 1.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.136 -3.478 0.000
y -3.478 -28.463 0.000
z 0.000 0.000 -28.807
Traceless
 xyz
x -2.501 -3.478 0.000
y -3.478 1.509 0.000
z 0.000 0.000 0.993
Polar
3z2-r21.986
x2-y2-2.673
xy-3.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.046 0.014 0.000
y 0.014 5.742 0.000
z 0.000 0.000 5.107


<r2> (average value of r2) Å2
<r2> 126.505
(<r2>)1/2 11.247