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

using model chemistry: B2PLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-312.847028
Energy at 298.15K 
HF Energy-312.781291
Nuclear repulsion energy183.365635
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/STO-3G
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 3394 3394 11.16 19.58 0.23 0.38
2 A 3382 3382 1.08 47.78 0.38 0.55
3 A 3288 3288 0.32 57.27 0.02 0.04
4 A 1688 1688 0.24 16.05 0.75 0.86
5 A 1665 1665 1.30 16.19 0.75 0.86
6 A 1563 1563 10.03 5.60 0.66 0.80
7 A 1404 1404 0.21 27.52 0.74 0.85
8 A 1321 1321 1.43 9.05 0.73 0.84
9 A 1228 1228 9.08 1.53 0.75 0.86
10 A 1113 1113 0.96 5.27 0.58 0.73
11 A 918 918 1.05 9.79 0.19 0.32
12 A 531 531 0.31 0.97 0.72 0.84
13 A 226 226 1.44 0.26 0.37 0.54
14 A 74 74 1.14 0.09 0.74 0.85
15 B 3501 3501 1.13 27.60 0.75 0.86
16 B 3389 3389 9.37 34.94 0.75 0.86
17 B 3288 3288 24.36 19.69 0.75 0.86
18 B 1686 1686 0.71 2.01 0.75 0.86
19 B 1528 1528 17.68 2.86 0.75 0.86
20 B 1513 1513 9.47 0.36 0.75 0.86
21 B 1328 1328 6.11 0.37 0.75 0.86
22 B 1249 1249 18.39 1.86 0.75 0.86
23 B 1177 1177 6.08 5.09 0.75 0.86
24 B 1044 1044 0.06 3.43 0.75 0.86
25 B 848 848 0.58 1.38 0.75 0.86
26 B 406 406 1.87 0.40 0.75 0.86
27 B 117 117 2.21 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21434.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21434.4 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 B2PLYP/STO-3G
ABC
0.29390 0.09239 0.08612

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.014
C2 0.000 1.297 0.131
C3 0.000 -1.297 0.131
F4 1.174 1.391 -0.638
F5 -1.174 -1.391 -0.638
H6 0.893 -0.009 1.660
H7 -0.893 0.009 1.660
H8 -0.893 1.277 -0.537
H9 -0.095 2.191 0.793
H10 0.893 -1.277 -0.537
H11 0.095 -2.191 0.793

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.56941.56942.45832.45831.10261.10262.19872.20372.19872.2037
C21.56942.59491.40653.03282.20082.19011.11571.11562.80553.5515
C31.56942.59493.03281.40652.19012.20082.80553.55151.11571.1156
F42.45831.40653.03283.64002.70613.38632.07252.07292.68444.0050
F52.45833.03281.40653.64003.38632.70612.68444.00502.07252.0729
H61.10262.20082.19012.70613.38631.78673.11032.56262.53692.4797
H71.10262.19012.20083.38632.70611.78672.53692.47973.11032.5626
H82.19871.11572.80552.07252.68443.11032.53691.80043.11633.8428
H92.20371.11563.55152.07294.00502.56262.47971.80043.84284.3851
H102.19872.80551.11572.68442.07252.53693.11033.11633.84281.8004
H112.20373.55151.11564.00502.07292.47972.56263.84284.38511.8004

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 111.274 C1 C2 H8 108.758
C1 C2 H9 109.149 C1 C3 F5 111.274
C1 C3 H10 108.758 C1 C3 H11 109.149
C2 C1 C3 111.525 C2 C1 H6 109.664
C2 C1 H7 108.845 C3 C1 H6 108.845
C3 C1 H7 109.664 F4 C2 H8 109.973
F4 C2 H9 110.015 F5 C3 H10 109.973
F5 C3 H11 110.015 H6 C1 H7 108.236
H8 C2 H9 107.585 H10 C3 H11 107.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 C -0.013      
3 C -0.013      
4 F -0.117      
5 F -0.117      
6 H 0.072      
7 H 0.072      
8 H 0.065      
9 H 0.062      
10 H 0.065      
11 H 0.062      


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 1.138 1.138
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.254 -2.330 0.000
y -2.330 -26.981 0.000
z 0.000 0.000 -26.807
Traceless
 xyz
x -1.360 -2.330 0.000
y -2.330 0.550 0.000
z 0.000 0.000 0.810
Polar
3z2-r21.621
x2-y2-1.273
xy-2.330
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.760 0.057 0.000
y 0.057 2.737 0.000
z 0.000 0.000 2.589


<r2> (average value of r2) Å2
<r2> 134.035
(<r2>)1/2 11.577