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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-317.258277
Energy at 298.15K 
HF Energy-317.258277
Nuclear repulsion energy187.724092
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 PBEPBEultrafine/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 3012 2981 41.65 46.10 0.57 0.73
2 A 2979 2948 4.58 152.32 0.08 0.15
3 A 2959 2928 0.19 130.44 0.07 0.13
4 A 1459 1444 1.63 14.83 0.70 0.83
5 A 1403 1389 5.45 9.16 0.75 0.86
6 A 1389 1374 10.67 2.62 0.73 0.84
7 A 1267 1254 0.28 23.39 0.71 0.83
8 A 1208 1195 0.36 7.50 0.67 0.80
9 A 1093 1081 25.66 0.97 0.73 0.84
10 A 990 980 32.61 4.92 0.70 0.82
11 A 860 851 0.02 9.32 0.14 0.25
12 A 520 515 2.50 0.59 0.68 0.81
13 A 236 233 2.58 0.19 0.27 0.43
14 A 85 84 2.19 0.02 0.57 0.73
15 B 3034 3003 29.05 29.15 0.75 0.86
16 B 3006 2975 22.00 90.36 0.75 0.86
17 B 2957 2927 75.65 36.83 0.75 0.86
18 B 1463 1448 5.36 0.03 0.75 0.86
19 B 1355 1341 11.03 3.53 0.75 0.86
20 B 1337 1324 0.35 0.33 0.75 0.86
21 B 1220 1208 6.14 1.15 0.75 0.86
22 B 1090 1079 25.98 0.47 0.75 0.86
23 B 1067 1056 74.12 2.99 0.75 0.86
24 B 941 931 15.17 3.75 0.75 0.86
25 B 750 742 0.91 0.61 0.75 0.86
26 B 400 396 5.22 0.23 0.75 0.86
27 B 178 176 8.05 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19128.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 18931.6 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.29923 0.09984 0.09284

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.994
C2 0.000 1.262 0.140
C3 0.000 -1.262 0.140
F4 1.155 1.299 -0.634
F5 -1.155 -1.299 -0.634
H6 0.890 -0.007 1.648
H7 -0.890 0.007 1.648
H8 -0.874 1.261 -0.536
H9 -0.033 2.171 0.768
H10 0.874 -1.261 -0.536
H11 0.033 -2.171 0.768

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52371.52372.38162.38161.10431.10432.16752.18342.16752.1834
C21.52372.52361.39062.91392.16182.15421.10531.10552.75473.4902
C31.52372.52362.91391.39062.15422.16182.75473.49021.10531.1055
F42.38161.39062.91393.47612.64203.32542.03122.03382.57783.9073
F52.38162.91391.39063.47613.32542.64202.57783.90732.03122.0338
H61.10432.16182.15422.64203.32541.78063.08062.52392.51902.4890
H71.10432.15422.16183.32542.64201.78062.51902.48903.08062.5239
H82.16751.10532.75472.03122.57783.08062.51901.79883.06913.7825
H92.18341.10553.49022.03383.90732.52392.48901.79883.78254.3431
H102.16752.75471.10532.57782.03122.51903.08063.06913.78251.7988
H112.18343.49021.10553.90732.03382.48902.52393.78254.34311.7988

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 109.530 C1 C2 H8 110.053
C1 C2 H9 111.295 C1 C3 F5 109.530
C1 C3 H10 110.053 C1 C3 H11 111.295
C2 C1 C3 111.817 C2 C1 H6 109.664
C2 C1 H7 109.070 C3 C1 H6 109.070
C3 C1 H7 109.664 F4 C2 H8 108.397
F4 C2 H9 108.591 F5 C3 H10 108.397
F5 C3 H11 108.591 H6 C1 H7 107.456
H8 C2 H9 108.913 H10 C3 H11 108.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.270      
2 C -0.087      
3 C -0.087      
4 F -0.136      
5 F -0.136      
6 H 0.124      
7 H 0.124      
8 H 0.124      
9 H 0.111      
10 H 0.124      
11 H 0.111      


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 1.730 1.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.153 -3.257 0.000
y -3.257 -28.672 0.000
z 0.000 0.000 -28.942
Traceless
 xyz
x -2.346 -3.257 0.000
y -3.257 1.375 0.000
z 0.000 0.000 0.971
Polar
3z2-r21.941
x2-y2-2.480
xy-3.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.235 0.023 0.000
y 0.023 6.014 0.000
z 0.000 0.000 5.304


<r2> (average value of r2) Å2
<r2> 128.274
(<r2>)1/2 11.326