return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-317.423012
Energy at 298.15K 
HF Energy-317.423012
Nuclear repulsion energy186.911209
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 B97D3/6-31G*
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 3050 2990 54.37 46.77 0.75 0.86
2 A 3003 2944 12.99 235.89 0.01 0.01
3 A 2991 2932 1.18 54.86 0.51 0.68
4 A 1515 1485 0.91 18.17 0.71 0.83
5 A 1464 1435 5.62 11.32 0.75 0.86
6 A 1432 1404 15.44 3.45 0.71 0.83
7 A 1300 1275 0.00 27.10 0.71 0.83
8 A 1232 1208 0.59 11.26 0.72 0.84
9 A 1107 1086 16.87 1.72 0.74 0.85
10 A 994 974 45.52 5.03 0.71 0.83
11 A 858 841 0.00 9.33 0.16 0.27
12 A 535 524 3.26 0.75 0.72 0.84
13 A 246 241 3.08 0.24 0.28 0.44
14 A 87 85 2.82 0.02 0.55 0.71
15 B 3056 2996 59.86 13.76 0.75 0.86
16 B 3037 2977 15.63 117.51 0.75 0.86
17 B 2994 2935 95.96 44.12 0.75 0.86
18 B 1519 1489 3.28 0.05 0.75 0.86
19 B 1398 1371 16.19 4.34 0.75 0.86
20 B 1384 1356 2.22 0.60 0.75 0.86
21 B 1241 1217 5.34 1.61 0.75 0.86
22 B 1112 1091 18.94 0.40 0.75 0.86
23 B 1064 1043 80.93 3.43 0.75 0.86
24 B 957 938 27.97 4.16 0.75 0.86
25 B 774 759 2.37 0.96 0.75 0.86
26 B 411 403 6.15 0.32 0.75 0.86
27 B 197 193 9.49 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19477.8 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 19096.0 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 B97D3/6-31G*
ABC
0.29876 0.09823 0.09148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.990
C2 0.000 1.268 0.144
C3 0.000 -1.268 0.144
F4 1.164 1.314 -0.636
F5 -1.164 -1.314 -0.636
H6 0.888 -0.007 1.642
H7 -0.888 0.007 1.642
H8 -0.867 1.280 -0.533
H9 -0.024 2.168 0.779
H10 0.867 -1.280 -0.533
H11 0.024 -2.168 0.779

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52431.52432.39292.39291.10171.10172.16972.17862.16972.1786
C21.52432.53681.40212.93852.15802.14971.10011.10142.77553.4948
C31.52432.53682.93851.40212.14972.15802.77553.49481.10011.1014
F42.39291.40212.93853.51142.64763.33282.03372.03552.61333.9282
F52.39292.93851.40213.51143.33282.64762.61333.92822.03372.0355
H61.10172.15802.14972.64763.33281.77653.07632.51172.51942.4820
H71.10172.14972.15803.33282.64761.77652.51942.48203.07632.5117
H82.16971.10012.77552.03372.61333.07632.51941.79443.09163.7953
H92.17861.10143.49482.03553.92822.51172.48201.79443.79534.3367
H102.16972.77551.10012.61332.03372.51943.07633.09163.79531.7944
H112.17863.49481.10143.92822.03552.48202.51173.79534.33671.7944

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 109.639 C1 C2 H8 110.491
C1 C2 H9 111.114 C1 C3 F5 109.639
C1 C3 H10 110.491 C1 C3 H11 111.114
C2 C1 C3 112.630 C2 C1 H6 109.477
C2 C1 H7 108.827 C3 C1 H6 108.827
C3 C1 H7 109.477 F4 C2 H8 108.130
F4 C2 H9 108.194 F5 C3 H10 108.130
F5 C3 H11 108.194 H6 C1 H7 107.469
H8 C2 H9 109.194 H10 C3 H11 109.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C 0.034      
3 C 0.034      
4 F -0.309      
5 F -0.309      
6 H 0.156      
7 H 0.156      
8 H 0.153      
9 H 0.138      
10 H 0.153      
11 H 0.138      


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 1.887 1.887
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.180 -3.664 0.000
y -3.664 -28.594 0.000
z 0.000 0.000 -28.870
Traceless
 xyz
x -2.447 -3.664 0.000
y -3.664 1.431 0.000
z 0.000 0.000 1.017
Polar
3z2-r22.033
x2-y2-2.586
xy-3.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.922 0.003 0.000
y 0.003 5.551 0.000
z 0.000 0.000 4.957


<r2> (average value of r2) Å2
<r2> 129.588
(<r2>)1/2 11.384