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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-315.971370
Energy at 298.15K 
HF Energy-315.971370
Nuclear repulsion energy189.520613
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 HF/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 3291 2970 46.27 48.96 0.74 0.85
2 A 3235 2920 6.23 196.99 0.01 0.03
3 A 3196 2885 13.27 67.55 0.29 0.44
4 A 1658 1496 0.33 15.13 0.74 0.85
5 A 1597 1442 10.54 9.74 0.71 0.83
6 A 1578 1424 13.13 2.17 0.56 0.72
7 A 1425 1286 0.54 24.46 0.71 0.83
8 A 1355 1223 1.30 7.75 0.67 0.80
9 A 1231 1111 31.44 2.23 0.73 0.84
10 A 1110 1002 47.48 5.02 0.71 0.83
11 A 931 840 0.05 12.61 0.14 0.24
12 A 585 528 4.96 0.57 0.71 0.83
13 A 262 236 4.38 0.20 0.15 0.26
14 A 93 84 4.39 0.00 0.31 0.47
15 B 3291 2970 46.15 43.27 0.75 0.86
16 B 3244 2928 61.12 53.72 0.75 0.86
17 B 3229 2914 54.43 68.73 0.75 0.86
18 B 1660 1498 1.89 0.03 0.75 0.86
19 B 1560 1408 19.81 0.74 0.75 0.86
20 B 1524 1375 4.78 0.84 0.75 0.86
21 B 1374 1240 8.05 0.64 0.75 0.86
22 B 1225 1106 53.39 0.62 0.75 0.86
23 B 1194 1077 89.32 5.69 0.75 0.86
24 B 1048 946 24.28 3.89 0.75 0.86
25 B 851 768 4.56 1.21 0.75 0.86
26 B 445 402 9.19 0.24 0.75 0.86
27 B 205 185 12.63 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21196.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 19132.2 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 HF/6-31G**
ABC
0.30760 0.10084 0.09401

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.979
C2 0.000 1.260 0.138
C3 0.000 -1.260 0.138
F4 1.144 1.296 -0.624
F5 -1.144 -1.296 -0.624
H6 0.877 -0.005 1.620
H7 -0.877 0.005 1.620
H8 -0.848 1.282 -0.533
H9 -0.012 2.147 0.760
H10 0.848 -1.282 -0.533
H11 0.012 -2.147 0.760

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51461.51462.35702.35701.08661.08662.15642.15782.15642.1578
C21.51462.51961.37472.90152.13662.13101.08181.08322.76263.4628
C31.51462.51962.90151.37472.13102.13662.76263.46281.08181.0832
F42.35701.37472.90153.45642.60723.28421.99371.99382.59653.8787
F52.35702.90151.37473.45643.28422.60722.59653.87871.99371.9938
H61.08662.13662.13102.60723.28421.75443.04462.48182.50412.4650
H71.08662.13102.13663.28422.60721.75442.50412.46503.04462.4818
H82.15641.08182.76261.99372.59653.04462.50411.76583.07463.7643
H92.15781.08323.46281.99383.87872.48182.46501.76583.76434.2933
H102.15642.76261.08182.59651.99372.50413.04463.07463.76431.7658
H112.15783.46281.08323.87871.99382.46502.48183.76434.29331.7658

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 109.230 C1 C2 H8 111.213
C1 C2 H9 111.242 C1 C3 F5 109.230
C1 C3 H10 111.213 C1 C3 H11 111.242
C2 C1 C3 112.563 C2 C1 H6 109.341
C2 C1 H7 108.906 C3 C1 H6 108.906
C3 C1 H7 109.341 F4 C2 H8 107.909
F4 C2 H9 107.834 F5 C3 H10 107.909
F5 C3 H11 107.834 H6 C1 H7 107.663
H8 C2 H9 109.295 H10 C3 H11 109.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 C 0.205      
3 C 0.205      
4 F -0.421      
5 F -0.421      
6 H 0.131      
7 H 0.131      
8 H 0.128      
9 H 0.111      
10 H 0.128      
11 H 0.111      


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 2.199 2.199
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.039 -4.386 0.000
y -4.386 -28.639 0.000
z 0.000 0.000 -29.264
Traceless
 xyz
x -3.088 -4.386 0.000
y -4.386 2.013 0.000
z 0.000 0.000 1.075
Polar
3z2-r22.150
x2-y2-3.401
xy-4.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.565 -0.013 0.000
y -0.013 5.042 0.000
z 0.000 0.000 4.594


<r2> (average value of r2) Å2
<r2> 126.970
(<r2>)1/2 11.268