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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-317.148394
Energy at 298.15K 
HF Energy-316.976473
Nuclear repulsion energy185.640043
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 B2PLYP/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 3186 3186 26.16 48.24 0.75 0.86
2 A 3118 3118 1.53 182.75 0.02 0.03
3 A 3079 3079 9.37 76.67 0.19 0.33
4 A 1572 1572 0.66 20.40 0.73 0.85
5 A 1534 1534 7.75 11.62 0.75 0.86
6 A 1459 1459 8.10 2.50 0.73 0.84
7 A 1339 1339 0.37 26.56 0.71 0.83
8 A 1242 1242 0.79 16.63 0.74 0.85
9 A 1131 1131 5.68 3.45 0.75 0.86
10 A 974 974 37.71 7.22 0.74 0.85
11 A 884 884 1.93 10.88 0.06 0.12
12 A 542 542 3.75 1.18 0.69 0.82
13 A 251 251 6.40 0.35 0.38 0.55
14 A 90 90 5.31 0.07 0.71 0.83
15 B 3186 3186 23.25 44.02 0.75 0.86
16 B 3130 3130 36.45 46.52 0.75 0.86
17 B 3113 3113 36.44 64.39 0.75 0.86
18 B 1574 1574 4.25 0.13 0.75 0.86
19 B 1452 1452 2.30 0.41 0.75 0.86
20 B 1428 1428 10.74 3.90 0.75 0.86
21 B 1242 1242 6.86 1.82 0.75 0.86
22 B 1156 1156 10.68 1.72 0.75 0.86
23 B 1091 1091 33.41 3.45 0.75 0.86
24 B 957 957 46.87 5.25 0.75 0.86
25 B 801 801 5.41 1.72 0.75 0.86
26 B 406 406 9.47 0.49 0.75 0.86
27 B 191 191 16.34 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20063.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20063.6 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 B2PLYP/6-31G
ABC
0.28848 0.09826 0.09190

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.002
C2 0.000 1.260 0.152
C3 0.000 -1.260 0.152
F4 1.219 1.270 -0.641
F5 -1.219 -1.270 -0.641
H6 0.885 -0.004 1.649
H7 -0.885 0.004 1.649
H8 -0.837 1.267 -0.547
H9 0.002 2.168 0.757
H10 0.837 -1.267 -0.547
H11 -0.002 -2.168 0.757

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51981.51982.40802.40801.09631.09632.16932.18222.16932.1822
C21.51982.51971.45462.91802.15012.14501.09071.09172.75233.4813
C31.51982.51972.91801.45462.14502.15012.75233.48131.09071.0917
F42.40801.45462.91803.52102.64203.35772.05892.06042.56723.9073
F52.40802.91801.45463.52103.35772.64202.56723.90732.05892.0604
H61.09632.15012.14502.64203.35771.76963.06692.50932.53392.5030
H71.09632.14502.15013.35772.64201.76962.53392.50303.06692.5093
H82.16931.09072.75232.05892.56723.06692.53391.79373.03753.7685
H92.18221.09173.48132.06043.90732.50932.50301.79373.76854.3368
H102.16932.75231.09072.56722.05892.53393.06693.03753.76851.7937
H112.18223.48131.09173.90732.06042.50302.50933.76854.33681.7937

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 108.092 C1 C2 H8 111.340
C1 C2 H9 112.320 C1 C3 F5 108.092
C1 C3 H10 111.340 C1 C3 H11 112.320
C2 C1 C3 111.983 C2 C1 H6 109.480
C2 C1 H7 109.086 C3 C1 H6 109.086
C3 C1 H7 109.480 F4 C2 H8 107.112
F4 C2 H9 107.174 F5 C3 H10 107.112
F5 C3 H11 107.174 H6 C1 H7 107.625
H8 C2 H9 110.543 H10 C3 H11 110.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 C 0.065      
3 C 0.065      
4 F -0.376      
5 F -0.376      
6 H 0.160      
7 H 0.160      
8 H 0.169      
9 H 0.148      
10 H 0.169      
11 H 0.148      


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 2.554 2.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.276 -5.060 0.000
y -5.060 -28.546 0.000
z 0.000 0.000 -29.537
Traceless
 xyz
x -4.235 -5.060 0.000
y -5.060 2.860 0.000
z 0.000 0.000 1.374
Polar
3z2-r22.748
x2-y2-4.730
xy-5.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.698 0.029 0.000
y 0.029 4.904 0.000
z 0.000 0.000 4.578


<r2> (average value of r2) Å2
<r2> 130.324
(<r2>)1/2 11.416