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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-312.918906
Energy at 298.15K 
HF Energy-312.918906
Nuclear repulsion energy182.238282
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 PBEPBE/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 3270 2988 1.94 37.23 0.08 0.15
2 A 3210 2933 19.18 34.10 0.75 0.86
3 A 3123 2853 0.92 68.22 0.02 0.04
4 A 1616 1477 0.76 16.46 0.75 0.86
5 A 1594 1456 2.45 15.00 0.75 0.85
6 A 1492 1363 11.02 7.56 0.68 0.81
7 A 1344 1228 0.27 27.28 0.75 0.85
8 A 1268 1159 0.18 8.40 0.73 0.84
9 A 1171 1070 13.02 0.69 0.73 0.84
10 A 1065 973 3.07 5.22 0.63 0.77
11 A 873 798 2.27 9.11 0.20 0.33
12 A 511 467 0.09 1.00 0.72 0.84
13 A 214 195 1.11 0.28 0.38 0.55
14 A 74 68 0.76 0.12 0.74 0.85
15 B 3383 3091 1.63 29.34 0.75 0.86
16 B 3209 2932 15.60 38.28 0.75 0.86
17 B 3122 2852 46.81 19.41 0.75 0.86
18 B 1616 1477 1.74 2.10 0.75 0.86
19 B 1452 1326 25.99 3.32 0.75 0.86
20 B 1433 1309 0.23 1.42 0.75 0.86
21 B 1275 1164 4.70 0.59 0.75 0.86
22 B 1191 1088 30.57 0.61 0.75 0.86
23 B 1114 1018 10.61 4.34 0.75 0.86
24 B 998 912 0.27 3.32 0.75 0.86
25 B 808 738 1.63 1.44 0.75 0.86
26 B 393 359 1.07 0.44 0.75 0.86
27 B 103 94 1.67 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20460.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 18692.7 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 PBEPBE/STO-3G
ABC
0.29184 0.09089 0.08469

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.018
C2 0.000 1.304 0.131
C3 0.000 -1.304 0.131
F4 1.176 1.412 -0.642
F5 -1.176 -1.412 -0.642
H6 0.898 -0.011 1.669
H7 -0.898 0.011 1.669
H8 -0.908 1.272 -0.536
H9 -0.113 2.199 0.806
H10 0.908 -1.272 -0.536
H11 0.113 -2.199 0.806

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.57701.57702.47642.47641.10951.10952.20392.21172.20392.2117
C21.57702.60781.41133.05912.21362.20121.12701.12672.81173.5688
C31.57702.60783.05911.41132.20122.21362.81173.56881.12701.1267
F42.47641.41133.05913.67572.72783.40702.09172.09222.70004.0330
F52.47643.05911.41133.67573.40702.72782.70004.03302.09172.0922
H61.10952.21362.20122.72783.40701.79703.12562.57842.54002.4796
H71.10952.20122.21363.40702.72781.79702.54002.47963.12562.5784
H82.20391.12702.81172.09172.70003.12562.54001.81393.12653.8589
H92.21171.12673.56882.09224.03302.57842.47961.81393.85894.4030
H102.20392.81171.12702.70002.09172.54003.12563.12653.85891.8139
H112.21173.56881.12674.03302.09222.47962.57843.85894.40301.8139

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 111.807 C1 C2 H8 108.024
C1 C2 H9 108.628 C1 C3 F5 111.807
C1 C3 H10 108.024 C1 C3 H11 108.628
C2 C1 C3 111.544 C2 C1 H6 109.744
C2 C1 H7 108.794 C3 C1 H6 108.794
C3 C1 H7 109.744 F4 C2 H8 110.487
F4 C2 H9 110.547 F5 C3 H10 110.487
F5 C3 H11 110.547 H6 C1 H7 108.159
H8 C2 H9 107.195 H10 C3 H11 107.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 C -0.052      
3 C -0.052      
4 F -0.087      
5 F -0.087      
6 H 0.081      
7 H 0.081      
8 H 0.071      
9 H 0.068      
10 H 0.071      
11 H 0.068      


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 0.965 0.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.680 -1.961 0.000
y -1.961 -26.836 0.000
z 0.000 0.000 -26.548
Traceless
 xyz
x -0.988 -1.961 0.000
y -1.961 0.278 0.000
z 0.000 0.000 0.710
Polar
3z2-r21.421
x2-y2-0.844
xy-1.961
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.852 0.082 0.000
y 0.082 2.868 0.000
z 0.000 0.000 2.672


<r2> (average value of r2) Å2
<r2> 135.553
(<r2>)1/2 11.643