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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
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Other names |
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1,3-Pentadiene, (Z)-; 1,cis-3-Pentadiene; (Z)-1,3-Pentadiene; (Z)-CH2=CHCH=CHCH3; cis-1,3-Pentadiene; cis-1-Methylbutadiene; cis-Piperylene; pentadiene; 1,3-pentadiene; |
INChI | INChIKey | SMILES | IUPAC name |
---|---|---|---|
InChI=1S/C5H8/c1-3-5-4-2/h3-5H,1H2,2H3/b5-4- | PMJHHCWVYXUKFD-PLNGDYQASA-N | C=C/C=C\C |
State | Conformation |
---|---|
1A' | CS |
Property | Value | Uncertainty | units | Reference | Comment |
---|---|---|---|---|---|
Hfg(298.15K) ![]() |
82.80 | kJ mol-1 | TRC | ||
Hfg(0K) ![]() |
103.00 | kJ mol-1 | TRC | ||
Entropy (298.15K) ![]() |
322.95 | J K-1 mol-1 | TRC | ||
Integrated Heat Capacity (0 to 298.15K) ![]() |
18.95 | kJ mol-1 | TRC | ||
Heat Capacity (298.15K) ![]() |
97.18 | J K-1 mol-1 | TRC |
Mode Number | Symmetry | Frequency | Intensity | Comment | Description | ||||
---|---|---|---|---|---|---|---|---|---|
Fundamental(cm-1) | Harmonic(cm-1) | Reference | (km mol-1) | unc. | Reference | ||||
1 | A' | 3060 | 1974sve/kov | ||||||
2 | A' | 3060 | 1974sve/kov | ||||||
3 | A' | 3015 | 1974sve/kov | ||||||
4 | A' | 2998 | 1974sve/kov | ||||||
5 | A' | 2998 | 1974sve/kov | ||||||
6 | A' | 2938 | 1974sve/kov | ||||||
7 | A' | 2919 | 1974sve/kov | ||||||
8 | A' | 1656 | 1974sve/kov | ||||||
9 | A' | 1602 | 1974sve/kov | ||||||
10 | A' | 1445 | 1974sve/kov | ||||||
11 | A' | 1435 | 1974sve/kov | ||||||
12 | A' | 1391 | 1974sve/kov | ||||||
13 | A' | 1357 | 1974sve/kov | ||||||
14 | A' | 1300 | 1974sve/kov | ||||||
15 | A' | 1254 | 1974sve/kov | ||||||
16 | A' | 1169 | 1974sve/kov | ||||||
17 | A' | 1025 | 1974sve/kov | ||||||
18 | A' | 964 | 1974sve/kov | ||||||
19 | A' | 840 | 1974sve/kov | ||||||
20 | A' | 627 | 1974sve/kov | ||||||
21 | A' | 402 | 1974sve/kov | ||||||
22 | A' | 144 | 1974sve/kov | ||||||
23 | A" | 2975 | 1974sve/kov | ||||||
24 | A" | 1471 | 1974sve/kov | ||||||
25 | A" | 1009 | 1974sve/kov | ||||||
26 | A" | 997 | 1974sve/kov | ||||||
27 | A" | 921 | 1974sve/kov | ||||||
28 | A" | 906 | 1974sve/kov | ||||||
29 | A" | 773 | 1974sve/kov | ||||||
30 | A" | 627 | 1974sve/kov | ||||||
31 | A" | 456 | 1974sve/kov | ||||||
32 | A" | 171 | 1974sve/kov |
A | B | C | reference | comment |
---|---|---|---|---|
0.52243 | 0.08867 | 0.07692 | NISThydrocarbon |
Product of moments of inertia ![]() | ||||
---|---|---|---|---|
1344318 | amu3Å6 | 6.155594481096E-114 | gm3 cm6 |
Point Group Cs
Description | Value | unc. | Connectivity | Reference | Comment | |||
---|---|---|---|---|---|---|---|---|
Atom 1 | Atom 2 | Atom 3 | Atom 4 |
Atom | x (Å) | y (Å) | z (Å) |
---|
Bond descriptions
Bond Type | Count |
---|---|
H-C | 8 |
C-C | 2 |
C=C | 2 |
Atom 1 | Atom 2 |
---|---|
C1 | C2 |
C1 | H6 |
C1 | H7 |
C2 | C3 |
C2 | H8 |
C3 | C4 |
C3 | H9 |
C4 | C5 |
C4 | H10 |
C5 | H11 |
C5 | H12 |
C5 | H13 |
Energy (cm-1) | Degeneracy | reference | description |
---|---|---|---|
0 | 1 | 1A' |
Ionization Energy | I.E. unc. | vertical I.E. | v.I.E. unc. | reference |
---|---|---|---|---|
8.620 | 0.030 | 8.630 | webbook |
State | Config | State description | Conf description | Exp. min. | Dipole (Debye) | Reference | comment | Point Group | Components | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
x | y | z | total | dipole | quadrupole | ||||||||
1 | 1 | 1A' | Cs | True | 0.465 | 0.185 | 0.500 | NISThydrocarbon | x=a, y=b | Cs | 2 | 3 |
State | Config | State description | Conf description | Exp. min. | Quadrupole (D Å) | Reference | comment | Point Group | Components | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
xx | yy | zz | dipole | quadrupole | ||||||||
1 | 1 | 1A' | Cs | True | Cs | 2 | 3 |
squib | reference | DOI |
---|---|---|
1974sve/kov | L.M. Sverdlov, M. A. Kovner, E. P. Krainov, "Vibrational Spectra of Polyatomic Molecules" Wiley, New York 1974 | |
NISThydrocarbon | NIST Hydrocarbon spectral database (http://www.physics.nist.gov/PhysRefData/MolSpec/Hydro/index.html) | 10.18434/T4PC70 |
TRC | Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994 | |
webbook | NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) | 10.18434/T4D303 |
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