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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-317.503276
Energy at 298.15K 
HF Energy-317.503276
Nuclear repulsion energy187.606093
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 B3PW91/cc-pVDZ
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 3115 3006 35.36      
2 A 3060 2953 5.44      
3 A 3048 2941 3.68      
4 A 1480 1428 0.74      
5 A 1427 1377 15.03      
6 A 1421 1371 5.50      
7 A 1302 1256 0.44      
8 A 1232 1189 0.63      
9 A 1121 1082 26.38      
10 A 1014 979 40.27      
11 A 886 855 0.11      
12 A 529 511 3.30      
13 A 239 231 3.44      
14 A 89 86 3.35      
15 B 3119 3009 33.51      
16 B 3101 2992 15.26      
17 B 3053 2946 68.77      
18 B 1483 1431 4.23      
19 B 1406 1356 11.91      
20 B 1372 1324 4.60      
21 B 1246 1203 7.14      
22 B 1119 1079 10.08      
23 B 1098 1059 107.76      
24 B 965 931 24.07      
25 B 776 749 1.97      
26 B 414 400 6.94      
27 B 178 172 9.97      

Unscaled Zero Point Vibrational Energy (zpe) 19645.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 18958.2 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 B3PW91/cc-pVDZ
ABC
0.30788 0.09746 0.09152

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.972
C2 0.000 1.260 0.133
C3 0.000 -1.260 0.133
F4 1.173 1.327 -0.615
F5 -1.173 -1.327 -0.615
H6 0.888 -0.005 1.626
H7 -0.888 0.005 1.626
H8 -0.850 1.259 -0.569
H9 -0.054 2.162 0.764
H10 0.850 -1.259 -0.569
H11 0.054 -2.162 0.764

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51431.51432.37782.37781.10341.10342.16412.17312.16412.1731
C21.51432.52081.39262.93732.14962.14391.10211.10242.75033.4810
C31.51432.52082.93731.39262.14392.14962.75033.48101.10211.1024
F42.37781.39262.93733.54182.62233.31952.02432.02602.60663.9152
F52.37782.93731.39263.54183.31952.62232.60663.91522.02432.0260
H61.10342.14962.14392.62233.31951.77703.07242.51552.52892.4689
H71.10342.14392.14963.31952.62231.77702.52892.46893.07242.5155
H82.16411.10212.75032.02432.60663.07242.52891.79653.03833.7819
H92.17311.10243.48102.02603.91522.51552.46891.79653.78194.3263
H102.16412.75031.10212.60662.02432.52893.07243.03833.78191.7965
H112.17313.48101.10243.91522.02602.46892.51553.78194.32631.7965

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 109.701 C1 C2 H8 110.626
C1 C2 H9 111.323 C1 C3 F5 109.701
C1 C3 H10 110.626 C1 C3 H11 111.323
C2 C1 C3 112.682 C2 C1 H6 109.409
C2 C1 H7 108.963 C3 C1 H6 108.963
C3 C1 H7 109.409 F4 C2 H8 107.909
F4 C2 H9 108.025 F5 C3 H10 107.909
F5 C3 H11 108.025 H6 C1 H7 107.268
H8 C2 H9 109.158 H10 C3 H11 109.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 C 0.197      
3 C 0.197      
4 F -0.257      
5 F -0.257      
6 H 0.049      
7 H 0.049      
8 H 0.049      
9 H 0.038      
10 H 0.049      
11 H 0.038      


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 1.928 1.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.615 -3.958 0.000
y -3.958 -28.805 0.000
z 0.000 0.000 -28.953
Traceless
 xyz
x -2.736 -3.958 0.000
y -3.958 1.479 0.000
z 0.000 0.000 1.257
Polar
3z2-r22.514
x2-y2-2.810
xy-3.958
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.891 -0.048 0.000
y -0.048 5.550 0.000
z 0.000 0.000 4.965


<r2> (average value of r2) Å2
<r2> 129.462
(<r2>)1/2 11.378