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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-315.804147
Energy at 298.15K 
HF Energy-315.804147
Nuclear repulsion energy189.026623
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 mPW1PW91/3-21G*
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 3160 3001 27.10 43.78 0.73 0.85
2 A 3111 2955 4.59 163.68 0.03 0.07
3 A 3097 2941 0.11 79.17 0.22 0.36
4 A 1570 1491 1.80 21.33 0.74 0.85
5 A 1524 1447 9.87 11.34 0.75 0.86
6 A 1473 1399 5.65 4.48 0.75 0.86
7 A 1355 1286 0.36 27.22 0.71 0.83
8 A 1276 1211 0.03 14.62 0.74 0.85
9 A 1138 1081 9.49 2.45 0.74 0.85
10 A 1031 979 31.95 5.45 0.67 0.80
11 A 899 854 0.74 10.74 0.14 0.25
12 A 555 527 2.77 0.92 0.71 0.83
13 A 262 249 4.83 0.30 0.47 0.64
14 A 92 88 3.21 0.03 0.55 0.71
15 B 3171 3011 25.36 11.50 0.75 0.86
16 B 3149 2990 11.95 93.28 0.75 0.86
17 B 3097 2941 66.37 38.49 0.75 0.86
18 B 1584 1504 7.41 0.07 0.75 0.86
19 B 1446 1373 9.95 1.33 0.75 0.86
20 B 1426 1354 4.41 2.78 0.75 0.86
21 B 1267 1203 7.72 2.68 0.75 0.86
22 B 1142 1085 19.39 0.10 0.75 0.86
23 B 1103 1047 38.27 4.63 0.75 0.86
24 B 1000 949 18.96 4.71 0.75 0.86
25 B 800 760 2.39 0.71 0.75 0.86
26 B 392 373 7.57 0.35 0.75 0.86
27 B 212 202 16.03 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20165.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 19149.2 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 mPW1PW91/3-21G*
ABC
0.28135 0.10753 0.09859

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.039
C2 0.000 1.233 0.152
C3 0.000 -1.233 0.152
F4 1.166 1.183 -0.662
F5 -1.166 -1.183 -0.662
H6 0.891 -0.006 1.674
H7 -0.891 0.006 1.674
H8 -0.882 1.198 -0.491
H9 0.005 2.156 0.739
H10 0.882 -1.198 -0.491
H11 -0.005 -2.156 0.739

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51921.51922.37762.37761.09371.09372.13392.17662.13392.1766
C21.51922.46661.42322.80372.15542.14821.09201.09312.66493.4394
C31.51922.46662.80371.42322.14822.15542.66493.43941.09201.0931
F42.37761.42322.80373.32222.63543.32732.05552.06322.40373.8051
F52.37762.80371.42323.32223.32732.63542.40373.80512.05552.0632
H61.09372.15542.14822.63543.32731.78153.04602.51662.47092.5094
H71.09372.14822.15543.32732.63541.78152.47092.50943.04602.5166
H82.13391.09202.66492.05552.40373.04602.47091.79322.97513.6779
H92.17661.09313.43942.06323.80512.51662.50941.79323.67794.3114
H102.13392.66491.09202.40372.05552.47093.04602.97513.67791.7932
H112.17663.43941.09313.80512.06322.50942.51663.67794.31141.7932

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 107.767 C1 C2 H8 108.504
C1 C2 H9 111.822 C1 C3 F5 107.767
C1 C3 H10 108.504 C1 C3 H11 111.822
C2 C1 C3 108.550 C2 C1 H6 110.088
C2 C1 H7 109.521 C3 C1 H6 109.521
C3 C1 H7 110.088 F4 C2 H8 108.908
F4 C2 H9 109.459 F5 C3 H10 108.908
F5 C3 H11 109.459 H6 C1 H7 109.063
H8 C2 H9 110.303 H10 C3 H11 110.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.556      
2 C -0.097      
3 C -0.097      
4 F -0.311      
5 F -0.311      
6 H 0.239      
7 H 0.239      
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 2.177 2.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.598 -3.782 0.000
y -3.782 -27.783 0.000
z 0.000 0.000 -29.227
Traceless
 xyz
x -3.093 -3.782 0.000
y -3.782 2.629 0.000
z 0.000 0.000 0.464
Polar
3z2-r20.928
x2-y2-3.815
xy-3.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.377 -0.026 0.000
y -0.026 4.789 0.000
z 0.000 0.000 4.339


<r2> (average value of r2) Å2
<r2> 123.494
(<r2>)1/2 11.113