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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-317.482371
Energy at 298.15K 
HF Energy-317.482371
Nuclear repulsion energy188.231302
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 B3PW91/6-31G*
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 3126 2990 41.66      
2 A 3074 2941 7.81      
3 A 3062 2930 3.04      
4 A 1542 1475 0.90      
5 A 1487 1422 8.29      
6 A 1459 1395 13.51      
7 A 1325 1268 0.09      
8 A 1258 1203 0.45      
9 A 1139 1090 25.68      
10 A 1033 989 37.01      
11 A 887 848 0.00      
12 A 545 521 3.25      
13 A 244 234 3.44      
14 A 88 84 2.97      
15 B 3129 2994 45.01      
16 B 3110 2975 14.79      
17 B 3068 2935 77.23      
18 B 1545 1478 3.66      
19 B 1431 1369 15.01      
20 B 1409 1348 3.91      
21 B 1270 1215 6.34      
22 B 1140 1090 29.02      
23 B 1114 1066 80.66      
24 B 983 940 18.96      
25 B 788 754 1.33      
26 B 416 398 6.44      
27 B 192 184 10.11      

Unscaled Zero Point Vibrational Energy (zpe) 19931.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19068.2 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 B3PW91/6-31G*
ABC
0.30202 0.09995 0.09298

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.986
C2 0.000 1.261 0.143
C3 0.000 -1.261 0.143
F4 1.152 1.302 -0.633
F5 -1.152 -1.302 -0.633
H6 0.884 -0.005 1.636
H7 -0.884 0.005 1.636
H8 -0.865 1.275 -0.529
H9 -0.021 2.158 0.773
H10 0.865 -1.275 -0.529
H11 0.021 -2.158 0.773

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51631.51632.37502.37501.09751.09752.16062.16882.16062.1688
C21.51632.52131.38942.91442.14752.14141.09551.09662.76253.4765
C31.51632.52132.91441.38942.14142.14752.76253.47651.09551.0966
F42.37501.38942.91443.47582.63173.31252.01962.02122.59503.9020
F52.37502.91441.38943.47583.31252.63172.59503.90202.01962.0212
H61.09752.14752.14142.63173.31251.76883.06342.49892.50952.4750
H71.09752.14142.14753.31252.63171.76882.50952.47503.06342.4989
H82.16061.09552.76252.01962.59503.06342.50951.78493.08233.7774
H92.16881.09663.47652.02123.90202.49892.47501.78493.77744.3167
H102.16062.76251.09552.59502.01962.50953.06343.08233.77741.7849
H112.16883.47651.09663.90202.02122.47502.49893.77744.31671.7849

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 109.571 C1 C2 H8 110.605
C1 C2 H9 111.194 C1 C3 F5 109.571
C1 C3 H10 110.605 C1 C3 H11 111.194
C2 C1 C3 112.491 C2 C1 H6 109.447
C2 C1 H7 108.970 C3 C1 H6 108.970
C3 C1 H7 109.447 F4 C2 H8 108.150
F4 C2 H9 108.212 F5 C3 H10 108.150
F5 C3 H11 108.212 H6 C1 H7 107.384
H8 C2 H9 109.026 H10 C3 H11 109.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 C 0.008      
3 C 0.008      
4 F -0.319      
5 F -0.319      
6 H 0.179      
7 H 0.179      
8 H 0.172      
9 H 0.158      
10 H 0.172      
11 H 0.158      


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 1.949 1.949
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.181 -3.743 0.000
y -3.743 -28.452 0.000
z 0.000 0.000 -28.826
Traceless
 xyz
x -2.542 -3.743 0.000
y -3.743 1.552 0.000
z 0.000 0.000 0.991
Polar
3z2-r21.981
x2-y2-2.729
xy-3.743
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.789 -0.007 0.000
y -0.007 5.368 0.000
z 0.000 0.000 4.823


<r2> (average value of r2) Å2
<r2> 127.878
(<r2>)1/2 11.308