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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-317.490400
Energy at 298.15K 
HF Energy-317.490400
Nuclear repulsion energy188.264529
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 B3PW91/6-31G**
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 3119 2989 39.71      
2 A 3067 2939 8.59      
3 A 3057 2930 1.13      
4 A 1524 1460 1.11      
5 A 1469 1408 8.79      
6 A 1447 1386 11.35      
7 A 1318 1263 0.17      
8 A 1252 1200 0.36      
9 A 1135 1088 27.00      
10 A 1030 987 35.68      
11 A 885 848 0.01      
12 A 543 520 3.26      
13 A 241 231 3.40      
14 A 89 85 2.92      
15 B 3124 2994 41.52      
16 B 3107 2978 13.32      
17 B 3059 2932 76.55      
18 B 1527 1464 4.13      
19 B 1421 1362 13.46      
20 B 1397 1338 3.47      
21 B 1265 1213 6.36      
22 B 1134 1087 34.23      
23 B 1111 1065 76.93      
24 B 978 937 17.68      
25 B 783 751 1.22      
26 B 416 398 6.52      
27 B 187 179 10.27      

Unscaled Zero Point Vibrational Energy (zpe) 19841.0 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 19015.7 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 B3PW91/6-31G**
ABC
0.30223 0.09995 0.09302

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.985
C2 0.000 1.260 0.143
C3 0.000 -1.260 0.143
F4 1.153 1.301 -0.632
F5 -1.153 -1.301 -0.632
H6 0.883 -0.006 1.635
H7 -0.883 0.006 1.635
H8 -0.865 1.271 -0.529
H9 -0.025 2.157 0.772
H10 0.865 -1.271 -0.529
H11 0.025 -2.157 0.772

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51571.51572.37472.37471.09661.09662.15832.16792.15832.1679
C21.51572.51981.38972.91382.14692.14021.09541.09632.75823.4747
C31.51572.51982.91381.38972.14022.14692.75823.47471.09541.0963
F42.37471.38972.91383.47712.63103.31152.02062.02272.59103.8995
F52.37472.91381.38973.47713.31152.63102.59103.89952.02062.0227
H61.09662.14692.14022.63103.31151.76683.06142.49972.50732.4720
H71.09662.14022.14693.31152.63101.76682.50732.47203.06142.4997
H82.15831.09542.75822.02062.59103.06142.50731.78423.07563.7737
H92.16791.09633.47472.02273.89952.49972.47201.78423.77374.3147
H102.15832.75821.09542.59102.02062.50733.06143.07563.77371.7842
H112.16793.47471.09633.89952.02272.47202.49973.77374.31471.7842

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 109.566 C1 C2 H8 110.471
C1 C2 H9 111.181 C1 C3 F5 109.566
C1 C3 H10 110.471 C1 C3 H11 111.181
C2 C1 C3 112.453 C2 C1 H6 109.496
C2 C1 H7 108.969 C3 C1 H6 108.969
C3 C1 H7 109.496 F4 C2 H8 108.219
F4 C2 H9 108.330 F5 C3 H10 108.219
F5 C3 H11 108.330 H6 C1 H7 107.325
H8 C2 H9 108.998 H10 C3 H11 108.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 C 0.091      
3 C 0.091      
4 F -0.324      
5 F -0.324      
6 H 0.141      
7 H 0.141      
8 H 0.134      
9 H 0.118      
10 H 0.134      
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 1.939 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.193 -3.737 0.000
y -3.737 -28.440 0.000
z 0.000 0.000 -28.809
Traceless
 xyz
x -2.569 -3.737 0.000
y -3.737 1.562 0.000
z 0.000 0.000 1.007
Polar
3z2-r22.015
x2-y2-2.754
xy-3.737
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.847 -0.009 0.000
y -0.009 5.445 0.000
z 0.000 0.000 4.886


<r2> (average value of r2) Å2
<r2> 127.831
(<r2>)1/2 11.306