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. 2022 Jul 27;6(8):2009–2023. doi: 10.1021/acsearthspacechem.2c00084

Table 2. Geometrical Parameters of PAHs Adsorbed on Forsterite Surfacesa.

 
graphic file with name sp2c00084_m016.jpg
(C–Mg)
graphic file with name sp2c00084_m017.jpg
(C–M)
graphic file with name sp2c00084_m018.jpg
graphic file with name sp2c00084_m019.jpg
[nC–nMg] [nC–nM] C.P.
naphthalene:              
[010]-fo22 2.61   120.21 176.18 5–2   5
Fe-[010]-fo22 2.51 2.43 120.02 172.04 2–1 3–1 5
Ni-[010]-fo22 2.64 2.42 120.04 178.14 2–1 3–1 5
anthracene:              
[010]-fo 2.65   120.82 173.06 6–2   6
Fe-[010]-fo 2.70 2.40 120.47 176.65 3–2 3–1 6
Ni-[010]-fo 2.73 2.41 120.38 177.05 3–2 3–1 6
fluoranthene:              
[010]-fo 2.68   125.34 174.68 7–3   7
Fe-[010]-fo 2.62 2.56 125.73 176.99 3–2 4–1 7
Ni-[010]-fo 2.52 2.62 126.02 177.83 2–1 4–1 6
pyrene:              
[010]-fo 2.72   120.79 179.15 5–2   5
Fe-[010]-fo 2.64 2.61 121.19 175.30 3–1 4–1 7
Ni-[010]-fo 2.66 2.50 120.86 177.64 3–1 4–1 7
coronene:              
[010]-fo 2.73   120.92 175.63 11–4   11
Fe-[010]-fo 2.63 2.51 120.97 174.78 7–3 3–1 10
Ni-[010]-fo 2.68 2.46 120.80 177.90 5–3 3–1 8
benzocoronene:              
[010]-fo22 2.71   120.61 176.29 11–4   11
Fe-[010]-fo22 2.66 2.47 120.46 178.90 8–4 3–1 11
Ni-[010]-fo22 2.67 2.48 120.43 179.18 8–4 3–1 11
fullerene:              
[010]-fo 2.74   113.49 139.00 4–2   4
Fe-[010]-fo   2.10 106.82 133.63   2–1 2
Ni-[010]-fo 2.81 2.09 111.65 143.19 1–1 2–1 3
a

Reported are the average distances Inline graphic in Angstrom (Å), average angles Inline graphic and dihedral angles Inline graphic in degrees (deg), number (n) of atoms (C, Mg, or M) interacting with each other (e.g., [ nC–nMg ]), and the number of contact points (C.P.), which is the sum of C atoms interacting with either an Mg or transition metal. The average values are calculated from the geometrical parameters reported in the Supporting Information. M is the transition metal (e.g., Fe or Ni) of the corresponding surface (e.g., Fe for Fe-[010]-fo). Missing values shows no interaction between the atoms.