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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-317.656814
Energy at 298.15K 
HF Energy-317.656814
Nuclear repulsion energy187.701130
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/TZVP
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 3133 2989 28.84 45.69 0.71 0.83
2 A 3079 2938 3.55 271.02 0.01 0.02
3 A 3064 2923 4.46 64.69 0.29 0.44
4 A 1518 1448 0.75 12.11 0.72 0.84
5 A 1457 1390 12.10 6.00 0.73 0.84
6 A 1445 1379 6.53 1.85 0.47 0.64
7 A 1325 1264 0.75 19.05 0.71 0.83
8 A 1255 1197 0.53 7.12 0.65 0.79
9 A 1135 1082 22.15 1.89 0.73 0.85
10 A 1017 971 49.16 4.53 0.72 0.83
11 A 882 842 0.08 8.66 0.12 0.21
12 A 538 513 3.49 0.68 0.73 0.84
13 A 244 232 4.21 0.38 0.22 0.35
14 A 85 81 4.43 0.05 0.73 0.84
15 B 3134 2990 24.78 31.06 0.75 0.86
16 B 3111 2968 18.74 84.81 0.75 0.86
17 B 3075 2934 57.15 41.30 0.75 0.86
18 B 1518 1448 6.04 0.02 0.75 0.86
19 B 1425 1360 12.82 0.97 0.75 0.86
20 B 1400 1336 3.31 1.13 0.75 0.86
21 B 1273 1215 5.46 1.19 0.75 0.86
22 B 1130 1078 13.68 0.76 0.75 0.86
23 B 1097 1047 119.31 3.22 0.75 0.86
24 B 971 926 30.68 3.11 0.75 0.86
25 B 788 752 2.53 0.97 0.75 0.86
26 B 420 401 8.19 0.44 0.75 0.86
27 B 178 170 10.21 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19848.5 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 18935.5 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/TZVP
ABC
0.31492 0.09578 0.09039

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.957
C2 0.000 1.263 0.129
C3 0.000 -1.263 0.129
F4 1.179 1.352 -0.604
F5 -1.179 -1.352 -0.604
H6 0.880 -0.007 1.605
H7 -0.880 0.007 1.605
H8 -0.830 1.273 -0.579
H9 -0.059 2.148 0.766
H10 0.830 -1.273 -0.579
H11 0.059 -2.148 0.766

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51001.51002.37732.37731.09351.09352.16032.15742.16032.1574
C21.51002.52621.39082.96032.13702.12851.09131.09172.76073.4706
C31.51002.52622.96031.39082.12852.13702.76073.47061.09131.0917
F42.37731.39082.96033.58662.61063.30552.01072.01042.64763.9215
F52.37732.96031.39083.58663.30552.61062.64763.92152.01072.0104
H61.09352.13702.12852.61063.30551.76103.05522.49652.52442.4419
H71.09352.12852.13703.30552.61061.76102.52442.44193.05522.4965
H82.16031.09132.76072.01072.64763.05522.52441.78013.03953.7817
H92.15741.09173.47062.01043.92152.49652.44191.78013.78174.2979
H102.16032.76071.09132.64762.01072.52443.05523.03953.78171.7801
H112.15743.47061.09173.92152.01042.44192.49653.78174.29791.7801

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 110.009 C1 C2 H8 111.278
C1 C2 H9 111.021 C1 C3 F5 110.009
C1 C3 H10 111.278 C1 C3 H11 111.021
C2 C1 C3 113.545 C2 C1 H6 109.296
C2 C1 H7 108.625 C3 C1 H6 108.625
C3 C1 H7 109.296 F4 C2 H8 107.596
F4 C2 H9 107.543 F5 C3 H10 107.596
F5 C3 H11 107.543 H6 C1 H7 107.268
H8 C2 H9 109.262 H10 C3 H11 109.262
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 C -0.006      
3 C -0.006      
4 F -0.247      
5 F -0.247      
6 H 0.125      
7 H 0.125      
8 H 0.125      
9 H 0.118      
10 H 0.125      
11 H 0.118      


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 2.171 2.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.694 -4.626 0.000
y -4.626 -29.326 0.000
z 0.000 0.000 -29.227
Traceless
 xyz
x -3.418 -4.626 0.000
y -4.626 1.635 0.000
z 0.000 0.000 1.783
Polar
3z2-r23.566
x2-y2-3.368
xy-4.626
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.265 -0.001 0.000
y -0.001 5.819 0.000
z 0.000 0.000 5.283


<r2> (average value of r2) Å2
<r2> 130.686
(<r2>)1/2 11.432