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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-317.575297
Energy at 298.15K 
HF Energy-317.575297
Nuclear repulsion energy187.029570
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3149 3017 24.94 43.96 0.71 0.83
2 A 3088 2959 4.30 292.23 0.01 0.02
3 A 3070 2942 6.48 75.45 0.18 0.31
4 A 1493 1430 0.20 7.26 0.72 0.84
5 A 1436 1376 11.64 4.55 0.73 0.84
6 A 1414 1355 4.64 0.80 0.05 0.10
7 A 1306 1251 1.22 10.41 0.63 0.77
8 A 1233 1181 0.50 3.83 0.57 0.73
9 A 1122 1075 23.40 1.56 0.75 0.86
10 A 1005 963 47.40 4.12 0.68 0.81
11 A 886 849 0.41 10.70 0.06 0.11
12 A 528 506 2.93 0.56 0.67 0.80
13 A 240 230 4.46 0.33 0.19 0.32
14 A 83 80 4.19 0.10 0.73 0.84
15 B 3149 3017 21.19 37.78 0.75 0.86
16 B 3123 2993 20.32 71.61 0.75 0.86
17 B 3084 2956 56.19 33.79 0.75 0.86
18 B 1491 1429 5.78 0.17 0.75 0.86
19 B 1409 1350 10.89 0.09 0.75 0.86
20 B 1371 1314 2.42 0.45 0.75 0.86
21 B 1249 1197 5.89 0.46 0.75 0.86
22 B 1124 1077 7.57 0.94 0.75 0.86
23 B 1087 1041 121.90 2.91 0.75 0.86
24 B 958 918 32.67 2.57 0.75 0.86
25 B 777 745 2.38 0.77 0.75 0.86
26 B 413 396 8.29 0.27 0.75 0.86
27 B 172 165 9.73 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19727.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 18905.3 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/aug-cc-pVDZ
ABC
0.31415 0.09489 0.08983

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.955
C2 0.000 1.265 0.127
C3 0.000 -1.265 0.127
F4 1.192 1.354 -0.600
F5 -1.192 -1.354 -0.600
H6 0.885 -0.008 1.607
H7 -0.885 0.008 1.607
H8 -0.824 1.275 -0.597
H9 -0.060 2.158 0.762
H10 0.824 -1.275 -0.597
H11 0.060 -2.158 0.762

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51171.51172.38192.38191.09921.09922.17112.16702.17112.1670
C21.51172.52941.39932.96772.14292.13351.09691.09742.76623.4812
C31.51172.52942.96771.39932.13352.14292.76623.48121.09691.0974
F42.38191.39932.96773.60792.61113.31622.01752.01732.65443.9331
F52.38192.96771.39933.60793.31622.61112.65443.93312.01752.0173
H61.09922.14292.13352.61113.31621.77103.06962.50912.54252.4526
H71.09922.13352.14293.31622.61111.77102.54252.45263.06962.5091
H82.17111.09692.76622.01752.65443.06962.54251.79193.03563.7960
H92.16701.09743.48122.01733.93312.50912.45261.79193.79604.3168
H102.17112.76621.09692.65442.01752.54253.06963.03563.79601.7919
H112.16703.48121.09743.93312.01732.45262.50913.79604.31681.7919

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 109.760 C1 C2 H8 111.677
C1 C2 H9 111.326 C1 C3 F5 109.760
C1 C3 H10 111.677 C1 C3 H11 111.326
C2 C1 C3 113.567 C2 C1 H6 109.304
C2 C1 H7 108.572 C3 C1 H6 108.572
C3 C1 H7 109.304 F4 C2 H8 107.222
F4 C2 H9 107.176 F5 C3 H10 107.222
F5 C3 H11 107.176 H6 C1 H7 107.340
H8 C2 H9 109.496 H10 C3 H11 109.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.341      
2 C 0.882      
3 C 0.882      
4 F -0.470      
5 F -0.470      
6 H -0.170      
7 H -0.170      
8 H -0.205      
9 H -0.207      
10 H -0.205      
11 H -0.207      


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 2.107 2.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.871 -4.571 0.000
y -4.571 -29.486 0.000
z 0.000 0.000 -29.308
Traceless
 xyz
x -3.474 -4.571 0.000
y -4.571 1.604 0.000
z 0.000 0.000 1.870
Polar
3z2-r23.740
x2-y2-3.385
xy-4.571
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.867 0.057 0.000
y 0.057 6.485 0.000
z 0.000 0.000 5.854


<r2> (average value of r2) Å2
<r2> 131.537
(<r2>)1/2 11.469