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

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-315.875971
Energy at 298.15K 
HF Energy-315.875971
Nuclear repulsion energy188.400630
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 B3LYP/3-21G*
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 3129 3010 31.25 42.02 0.73 0.85
2 A 3086 2969 5.64 162.14 0.04 0.07
3 A 3072 2955 0.07 81.28 0.22 0.37
4 A 1566 1507 2.06 21.75 0.74 0.85
5 A 1526 1468 7.38 11.99 0.75 0.86
6 A 1468 1412 6.48 5.00 0.75 0.86
7 A 1345 1294 0.61 27.60 0.71 0.83
8 A 1267 1219 0.10 15.32 0.74 0.85
9 A 1127 1085 6.74 3.14 0.75 0.86
10 A 1008 969 33.23 5.19 0.65 0.79
11 A 881 847 0.64 11.16 0.15 0.26
12 A 550 529 2.92 0.95 0.70 0.83
13 A 263 253 4.35 0.32 0.50 0.67
14 A 94 90 2.98 0.04 0.58 0.73
15 B 3139 3020 32.54 10.31 0.75 0.86
16 B 3117 2999 12.15 93.77 0.75 0.86
17 B 3071 2954 70.42 39.16 0.75 0.86
18 B 1581 1521 6.38 0.07 0.75 0.86
19 B 1442 1387 8.58 1.51 0.75 0.86
20 B 1418 1364 3.49 3.25 0.75 0.86
21 B 1257 1209 6.93 3.07 0.75 0.86
22 B 1134 1091 17.00 0.06 0.75 0.86
23 B 1072 1032 35.37 4.49 0.75 0.86
24 B 984 947 21.78 4.88 0.75 0.86
25 B 795 765 3.15 0.81 0.75 0.86
26 B 390 375 7.43 0.36 0.75 0.86
27 B 212 203 15.69 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19996.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 19236.4 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 B3LYP/3-21G*
ABC
0.27843 0.10707 0.09816

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.046
C2 0.000 1.238 0.153
C3 0.000 -1.238 0.153
F4 1.172 1.180 -0.665
F5 -1.172 -1.180 -0.665
H6 0.891 -0.006 1.680
H7 -0.891 0.006 1.680
H8 -0.883 1.199 -0.489
H9 0.007 2.163 0.737
H10 0.883 -1.199 -0.489
H11 -0.007 -2.163 0.737

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52601.52602.38602.38601.09431.09432.13872.18502.13872.1850
C21.52602.47601.43082.80932.16182.15521.09291.09412.67083.4509
C31.52602.47602.80931.43082.15522.16182.67083.45091.09291.0941
F42.38601.43082.80933.32722.64323.33752.06302.07142.40363.8125
F52.38602.80931.43083.32723.33752.64322.40363.81252.06302.0714
H61.09432.16182.15522.64323.33751.78253.05102.52512.47642.5200
H71.09432.15522.16183.33752.64321.78252.47642.52003.05102.5251
H82.13871.09292.67082.06302.40363.05102.47641.79592.97873.6849
H92.18501.09413.45092.07143.81252.52512.52001.79593.68494.3263
H102.13872.67081.09292.40362.06302.47643.05102.97873.68491.7959
H112.18503.45091.09413.81252.07142.52002.52513.68494.32631.7959

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 107.559 C1 C2 H8 108.366
C1 C2 H9 111.958 C1 C3 F5 107.559
C1 C3 H10 108.366 C1 C3 H11 111.958
C2 C1 C3 108.436 C2 C1 H6 110.091
C2 C1 H7 109.572 C3 C1 H6 109.572
C3 C1 H7 110.091 F4 C2 H8 108.933
F4 C2 H9 109.529 F5 C3 H10 108.933
F5 C3 H11 109.529 H6 C1 H7 109.068
H8 C2 H9 110.408 H10 C3 H11 110.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.486      
2 C -0.059      
3 C -0.059      
4 F -0.301      
5 F -0.301      
6 H 0.209      
7 H 0.209      
8 H 0.206      
9 H 0.189      
10 H 0.206      
11 H 0.189      


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 2.111 2.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.654 -3.637 0.000
y -3.637 -27.915 0.000
z 0.000 0.000 -29.356
Traceless
 xyz
x -3.018 -3.637 0.000
y -3.637 2.590 0.000
z 0.000 0.000 0.428
Polar
3z2-r20.857
x2-y2-3.739
xy-3.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.421 -0.023 0.000
y -0.023 4.842 0.000
z 0.000 0.000 4.369


<r2> (average value of r2) Å2
<r2> 124.118
(<r2>)1/2 11.141