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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-315.987467
Energy at 298.15K 
HF Energy-315.987467
Nuclear repulsion energy188.516632
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/6-31+G**
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 3303 2986 35.37 46.71 0.75 0.85
2 A 3245 2934 6.20 217.27 0.02 0.04
3 A 3193 2888 14.33 89.41 0.18 0.31
4 A 1649 1491 0.15 11.28 0.75 0.86
5 A 1589 1437 10.57 7.47 0.69 0.82
6 A 1564 1414 11.35 1.38 0.22 0.35
7 A 1421 1284 1.18 17.78 0.70 0.82
8 A 1346 1217 1.36 5.52 0.64 0.78
9 A 1220 1103 26.20 2.35 0.74 0.85
10 A 1090 986 60.94 5.51 0.67 0.81
11 A 925 836 0.31 12.47 0.11 0.20
12 A 573 518 4.98 0.55 0.66 0.80
13 A 260 236 5.54 0.25 0.17 0.29
14 A 90 82 5.81 0.03 0.73 0.85
15 B 3302 2985 31.42 52.17 0.75 0.86
16 B 3247 2936 91.90 25.85 0.75 0.86
17 B 3232 2923 12.69 88.64 0.75 0.86
18 B 1649 1491 2.21 0.02 0.75 0.86
19 B 1554 1405 17.15 0.11 0.75 0.86
20 B 1515 1370 6.59 0.93 0.75 0.86
21 B 1366 1235 7.62 0.73 0.75 0.86
22 B 1213 1097 27.96 1.35 0.75 0.86
23 B 1175 1062 139.00 4.86 0.75 0.86
24 B 1037 938 37.94 3.54 0.75 0.86
25 B 851 769 7.10 1.29 0.75 0.86
26 B 447 405 10.74 0.28 0.75 0.86
27 B 192 173 13.12 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21123.9 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 19100.2 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/6-31+G**
ABC
0.31603 0.09690 0.09147

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.958
C2 0.000 1.266 0.127
C3 0.000 -1.266 0.127
F4 1.172 1.336 -0.601
F5 -1.172 -1.336 -0.601
H6 0.877 -0.005 1.600
H7 -0.877 0.005 1.600
H8 -0.818 1.283 -0.580
H9 -0.041 2.147 0.753
H10 0.818 -1.283 -0.580
H11 0.041 -2.147 0.753

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51451.51452.36442.36441.08691.08692.16422.15742.16422.1574
C21.51452.53111.38142.94462.13422.12871.08121.08232.76883.4700
C31.51452.53112.94461.38142.12872.13422.76883.47001.08121.0823
F42.36441.38142.94463.55452.59423.28901.99111.99082.64323.9044
F52.36442.94461.38143.55453.28902.59422.64323.90441.99111.9908
H61.08692.13422.12872.59423.28901.75403.04752.48832.52862.4511
H71.08692.12872.13423.28902.59421.75402.52862.45113.04752.4883
H82.16421.08122.76881.99112.64323.04752.52861.76833.04403.7795
H92.15741.08233.47001.99083.90442.48832.45111.76833.77954.2953
H102.16422.76881.08122.64321.99112.52863.04753.04403.77951.7683
H112.15743.47001.08233.90441.99082.45112.48833.77954.29531.7683

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 109.378 C1 C2 H8 111.891
C1 C2 H9 111.280 C1 C3 F5 109.378
C1 C3 H10 111.891 C1 C3 H11 111.280
C2 C1 C3 113.369 C2 C1 H6 109.148
C2 C1 H7 108.714 C3 C1 H6 108.714
C3 C1 H7 109.148 F4 C2 H8 107.273
F4 C2 H9 107.187 F5 C3 H10 107.273
F5 C3 H11 107.187 H6 C1 H7 107.590
H8 C2 H9 109.640 H10 C3 H11 109.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.301      
2 C 0.140      
3 C 0.140      
4 F -0.404      
5 F -0.404      
6 H 0.151      
7 H 0.151      
8 H 0.139      
9 H 0.124      
10 H 0.139      
11 H 0.124      


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 2.372 2.372
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.345 -5.191 0.000
y -5.191 -29.266 0.000
z 0.000 0.000 -29.556
Traceless
 xyz
x -3.935 -5.191 0.000
y -5.191 2.185 0.000
z 0.000 0.000 1.750
Polar
3z2-r23.500
x2-y2-4.080
xy-5.191
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.949 0.007 0.000
y 0.007 5.371 0.000
z 0.000 0.000 4.947


<r2> (average value of r2) Å2
<r2> 129.794
(<r2>)1/2 11.393