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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-317.522764
Energy at 298.15K 
HF Energy-317.522764
Nuclear repulsion energy186.711135
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 BLYP/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 2997 2981 46.18 42.93 0.66 0.80
2 A 2961 2944 8.18 188.72 0.04 0.07
3 A 2947 2931 0.00 92.24 0.17 0.29
4 A 1471 1463 1.57 15.09 0.71 0.83
5 A 1420 1413 3.32 9.94 0.75 0.86
6 A 1398 1391 11.63 2.71 0.74 0.85
7 A 1271 1264 0.14 23.77 0.71 0.83
8 A 1211 1204 0.80 7.91 0.69 0.82
9 A 1084 1078 16.72 1.41 0.75 0.85
10 A 972 966 41.36 4.80 0.69 0.81
11 A 841 836 0.00 10.05 0.14 0.24
12 A 518 515 2.79 0.65 0.68 0.81
13 A 237 235 2.58 0.20 0.28 0.44
14 A 83 83 2.37 0.03 0.61 0.76
15 B 3008 2992 44.98 15.50 0.75 0.86
16 B 2989 2972 17.02 103.21 0.75 0.86
17 B 2947 2931 78.02 39.32 0.75 0.86
18 B 1475 1467 4.34 0.03 0.75 0.86
19 B 1364 1357 11.72 3.26 0.75 0.86
20 B 1347 1340 0.08 0.84 0.75 0.86
21 B 1222 1215 5.35 1.33 0.75 0.86
22 B 1086 1080 19.59 0.33 0.75 0.86
23 B 1039 1033 72.56 2.92 0.75 0.86
24 B 936 931 24.06 3.98 0.75 0.86
25 B 754 750 1.99 0.86 0.75 0.86
26 B 399 397 5.51 0.25 0.75 0.86
27 B 177 176 8.24 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19076.5 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 18971.6 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 BLYP/6-31G(2df,p)
ABC
0.29678 0.09839 0.09159

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.997
C2 0.000 1.271 0.142
C3 0.000 -1.271 0.142
F4 1.164 1.309 -0.636
F5 -1.164 -1.309 -0.636
H6 0.890 -0.007 1.650
H7 -0.890 0.007 1.650
H8 -0.869 1.275 -0.538
H9 -0.029 2.178 0.770
H10 0.869 -1.275 -0.538
H11 0.029 -2.178 0.770

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.53201.53202.39542.39541.10361.10362.17692.19022.17692.1902
C21.53202.54161.40102.93542.16782.15971.10331.10392.77463.5058
C31.53202.54162.93541.40102.15972.16782.77463.50581.10331.1039
F42.39541.40102.93543.50382.65233.33812.03582.03862.60273.9278
F52.39542.93541.40103.50383.33812.65232.60273.92782.03582.0386
H61.10362.16782.15972.65233.33811.77973.08632.52842.52932.4962
H71.10362.15972.16783.33812.65231.77972.52932.49623.08632.5284
H82.17691.10332.77462.03582.60273.08632.52931.79813.08583.8001
H92.19021.10393.50582.03863.92782.52842.49621.79813.80014.3568
H102.17692.77461.10332.60272.03582.52933.08633.08583.80011.7981
H112.19023.50581.10393.92782.03862.49622.52843.80014.35681.7981

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 109.438 C1 C2 H8 110.326
C1 C2 H9 111.353 C1 C3 F5 109.438
C1 C3 H10 110.326 C1 C3 H11 111.353
C2 C1 C3 112.098 C2 C1 H6 109.604
C2 C1 H7 108.973 C3 C1 H6 108.973
C3 C1 H7 109.604 F4 C2 H8 108.182
F4 C2 H9 108.367 F5 C3 H10 108.182
F5 C3 H11 108.367 H6 C1 H7 107.478
H8 C2 H9 109.098 H10 C3 H11 109.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 C -0.051      
3 C -0.051      
4 F -0.136      
5 F -0.136      
6 H 0.095      
7 H 0.095      
8 H 0.103      
9 H 0.087      
10 H 0.103      
11 H 0.087      


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 1.771 1.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.475 -3.390 0.000
y -3.390 -28.817 0.000
z 0.000 0.000 -29.127
Traceless
 xyz
x -2.503 -3.390 0.000
y -3.390 1.483 0.000
z 0.000 0.000 1.019
Polar
3z2-r22.039
x2-y2-2.657
xy-3.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.246 0.033 0.000
y 0.033 6.000 0.000
z 0.000 0.000 5.301


<r2> (average value of r2) Å2
<r2> 129.785
(<r2>)1/2 11.392