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

using model chemistry: B3PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-317.503352
Energy at 298.15K 
HF Energy-317.503352
Nuclear repulsion energy188.635858
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(2df,p)
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 3098 2978 38.84 43.84 0.69 0.82
2 A 3053 2935 7.74 189.87 0.03 0.06
3 A 3041 2923 0.01 83.50 0.17 0.29
4 A 1509 1450 1.35 14.00 0.71 0.83
5 A 1451 1395 7.02 8.26 0.75 0.86
6 A 1438 1382 10.00 2.20 0.67 0.80
7 A 1310 1260 0.61 21.96 0.71 0.83
8 A 1248 1200 0.35 6.72 0.65 0.79
9 A 1134 1090 29.84 1.06 0.75 0.86
10 A 1028 988 31.51 4.58 0.69 0.82
11 A 880 846 0.03 9.58 0.14 0.24
12 A 536 515 2.70 0.56 0.68 0.81
13 A 239 230 3.02 0.18 0.24 0.39
14 A 85 82 2.68 0.02 0.59 0.74
15 B 3109 2989 35.28 15.73 0.75 0.86
16 B 3090 2970 15.92 100.11 0.75 0.86
17 B 3041 2923 73.03 37.79 0.75 0.86
18 B 1512 1454 5.03 0.02 0.75 0.86
19 B 1407 1353 12.99 2.38 0.75 0.86
20 B 1385 1332 0.74 0.34 0.75 0.86
21 B 1264 1215 6.61 0.86 0.75 0.86
22 B 1127 1083 53.01 0.66 0.75 0.86
23 B 1110 1067 57.62 3.15 0.75 0.86
24 B 971 933 14.21 3.33 0.75 0.86
25 B 776 746 0.92 0.70 0.75 0.86
26 B 412 396 5.88 0.22 0.75 0.86
27 B 179 172 8.69 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19714.8 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 18953.9 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(2df,p)
ABC
0.30541 0.09987 0.09306

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.983
C2 0.000 1.260 0.138
C3 0.000 -1.260 0.138
F4 1.147 1.308 -0.626
F5 -1.147 -1.308 -0.626
H6 0.884 -0.007 1.632
H7 -0.884 0.007 1.632
H8 -0.864 1.268 -0.537
H9 -0.034 2.158 0.767
H10 0.864 -1.268 -0.537
H11 0.034 -2.158 0.767

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51701.51702.36962.36961.09651.09652.15922.16862.15922.1686
C21.51702.52011.37902.91452.14872.14091.09621.09682.75533.4753
C31.51702.52012.91451.37902.14092.14872.75533.47531.09621.0968
F42.36961.37902.91453.47922.62603.30392.01342.01492.59273.8974
F52.36962.91451.37903.47923.30392.62602.59273.89742.01342.0149
H61.09652.14872.14092.62603.30391.76763.06282.50482.50852.4688
H71.09652.14092.14873.30392.62601.76762.50852.46883.06282.5048
H82.15921.09622.75532.01342.59273.06282.50851.78343.06843.7737
H92.16861.09683.47532.01493.89742.50482.46881.78343.77374.3157
H102.15922.75531.09622.59272.01342.50853.06283.06843.77371.7834
H112.16863.47531.09683.89742.01492.46882.50483.77374.31571.7834

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 109.720 C1 C2 H8 110.395
C1 C2 H9 111.108 C1 C3 F5 109.720
C1 C3 H10 110.395 C1 C3 H11 111.108
C2 C1 C3 112.323 C2 C1 H6 109.552
C2 C1 H7 108.940 C3 C1 H6 108.940
C3 C1 H7 109.552 F4 C2 H8 108.321
F4 C2 H9 108.407 F5 C3 H10 108.321
F5 C3 H11 108.407 H6 C1 H7 107.411
H8 C2 H9 108.821 H10 C3 H11 108.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312      
2 C -0.073      
3 C -0.073      
4 F -0.176      
5 F -0.176      
6 H 0.141      
7 H 0.141      
8 H 0.139      
9 H 0.125      
10 H 0.139      
11 H 0.125      


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 1.832 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.116 -3.554 0.000
y -3.554 -28.474 0.000
z 0.000 0.000 -28.737
Traceless
 xyz
x -2.510 -3.554 0.000
y -3.554 1.453 0.000
z 0.000 0.000 1.058
Polar
3z2-r22.115
x2-y2-2.642
xy-3.554
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.069 0.018 0.000
y 0.018 5.771 0.000
z 0.000 0.000 5.131


<r2> (average value of r2) Å2
<r2> 127.656
(<r2>)1/2 11.298