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

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-315.544621
Energy at 298.15K 
HF Energy-315.544621
Nuclear repulsion energy189.129257
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 PBE1PBE/3-21G
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 3153 3028 26.39 43.78 0.72 0.84
2 A 3106 2983 4.03 153.59 0.05 0.09
3 A 3091 2968 0.05 88.12 0.17 0.29
4 A 1564 1502 1.90 21.30 0.74 0.85
5 A 1517 1457 10.11 11.35 0.75 0.86
6 A 1469 1411 5.62 4.67 0.75 0.86
7 A 1351 1297 0.37 27.25 0.71 0.83
8 A 1272 1222 0.02 14.57 0.74 0.85
9 A 1137 1092 10.03 2.42 0.74 0.85
10 A 1032 992 30.89 5.54 0.67 0.80
11 A 901 866 0.79 10.70 0.15 0.26
12 A 554 532 2.76 0.90 0.71 0.83
13 A 264 253 4.75 0.30 0.48 0.65
14 A 93 89 3.14 0.03 0.54 0.70
15 B 3166 3041 22.82 14.25 0.75 0.86
16 B 3143 3018 13.24 89.45 0.75 0.86
17 B 3090 2968 64.99 37.83 0.75 0.86
18 B 1579 1516 7.77 0.08 0.75 0.86
19 B 1441 1384 10.63 1.40 0.75 0.86
20 B 1422 1366 4.34 2.79 0.75 0.86
21 B 1264 1214 7.82 2.72 0.75 0.86
22 B 1141 1095 19.58 0.10 0.75 0.86
23 B 1105 1061 38.32 4.66 0.75 0.86
24 B 1000 960 17.73 4.74 0.75 0.86
25 B 798 767 2.44 0.65 0.75 0.86
26 B 392 376 7.56 0.34 0.75 0.86
27 B 215 207 16.04 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20129.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 19332.2 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 PBE1PBE/3-21G
ABC
0.28113 0.10787 0.09891

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.041
C2 0.000 1.232 0.151
C3 0.000 -1.232 0.151
F4 1.166 1.178 -0.661
F5 -1.166 -1.178 -0.661
H6 0.892 -0.006 1.676
H7 -0.892 0.006 1.676
H8 -0.884 1.192 -0.492
H9 0.003 2.157 0.736
H10 0.884 -1.192 -0.492
H11 -0.003 -2.157 0.736

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51931.51932.37572.37571.09501.09502.13322.17862.13322.1786
C21.51932.46381.42252.79802.15652.14991.09361.09462.65923.4392
C31.51932.46382.79801.42252.14992.15652.65923.43921.09361.0946
F42.37571.42252.79803.31562.63383.32742.05702.06482.39323.8006
F52.37572.79801.42253.31563.32742.63382.39323.80062.05702.0648
H61.09502.15652.14992.63383.32741.78413.04732.52012.47092.5126
H71.09502.14992.15653.32742.63381.78412.47092.51263.04732.5201
H82.13321.09362.65922.05702.39323.04732.47091.79592.96813.6745
H92.17861.09463.43922.06483.80062.52012.51261.79593.67454.3145
H102.13322.65921.09362.39322.05702.47093.04732.96813.67451.7959
H112.17863.43921.09463.80062.06482.51262.52013.67454.31451.7959

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 107.675 C1 C2 H8 108.353
C1 C2 H9 111.891 C1 C3 F5 107.675
C1 C3 H10 108.353 C1 C3 H11 111.891
C2 C1 C3 108.358 C2 C1 H6 110.101
C2 C1 H7 109.579 C3 C1 H6 109.579
C3 C1 H7 110.101 F4 C2 H8 108.976
F4 C2 H9 109.549 F5 C3 H10 108.976
F5 C3 H11 109.549 H6 C1 H7 109.111
H8 C2 H9 110.317 H10 C3 H11 110.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.559      
2 C -0.099      
3 C -0.099      
4 F -0.308      
5 F -0.308      
6 H 0.240      
7 H 0.240      
8 H 0.232      
9 H 0.215      
10 H 0.232      
11 H 0.215      


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 2.153 2.153
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.629 -3.722 0.000
y -3.722 -27.847 0.000
z 0.000 0.000 -29.297
Traceless
 xyz
x -3.057 -3.722 0.000
y -3.722 2.616 0.000
z 0.000 0.000 0.441
Polar
3z2-r20.882
x2-y2-3.782
xy-3.722
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.389 -0.028 0.000
y -0.028 4.807 0.000
z 0.000 0.000 4.348


<r2> (average value of r2) Å2
<r2> 123.288
(<r2>)1/2 11.104