Spectroscopic investigation of interstellar hydrogenated carbon clusters - Infrared and optical spectra of C24Hn populations

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Volume 670 (February 2023)

A&A, 670 (2023) A175

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Table 1

Total number of structures per family and in total for each C₂₄H_n system taken into account to compute the IR (roman) and optical spectra (italics).

	R_5/6	ß	C₂₄	C₂₄H₆	C₂₄H₁₂	C₂₄H₁₈	C₂₄H₂₄
Flakes	3–8	0.3–1.0	9449 (62%)	49 989 (73%)	41264 (79%)	17 889 (69%)	4924 (45%)
			9049	8175	8446	4522	4556
Branched	0–2	0.3–1.0	5626 (37%)	18 191 (26%)	9722 (19%)	5578 (21%)	2889 (27%)
			5242	4842	8833	5105	2701
Pretzels	0–8	0.0–0.3	95 (0.6%)	704 (1%)	1224 (2.3%)	2293 (9%)	3009 (28%)
			94	667	1154	2160	2866
Cage	≥9	0.0–1.0	3	12	5	259 (1%)	72
			3	10	3	249	72

Total			15 173	68 896	52 213	26 019	10 894

Notes. The percentage of structures of that family of the total number of structures for a particular C₂₄H_n system is reported in parentheses. R_5/6 and ß give, for each family, the related to the sum of the numbers of five- and six-carbon rings and the asphericity parameter, respectively.

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