{"name":"aca-a","uri":"https://mofpp.ramabile.casa/net/aca-a","type":"net","published":true,"provenance":{"source":"rcsr","source_id":"aca-a","retrieved":null,"licence_source":"© 2019 RCSR.net. Redistributed by MOF++ under a private agreement with the rights holder. This permits redistribution by MOF++; it grants the reader no onward licence. Confirmed by the repository owner, 2026-09-09.","source_citation":{"source":"RCSR","name":"Reticular Chemistry Structure Resource","cite":"M. O'Keeffe, M. A. Peskov, S. J. Ramsden and O. M. Yaghi, 'The Reticular Chemistry Structure Resource (RCSR) Database of, and Symbols for, Crystal Nets', Acc. Chem. Res. 2008, 41, 1782-1789","doi":"10.1021/ar800124u","url":"https://rcsr.anu.edu.au","copyright":"© 2019 RCSR.net","per_net_reference":null,"per_net_reference_note":"RCSR publishes a primary reference per net, but the Systre archive distributed as RCSRnets-2019-06-01.arc carries an empty 'ref' field in all 2930 records. The citation shown is for the RCSR resource as a whole, not for this net specifically."},"field_sources":{"rcsr_index":"rcsr","rcsr_index_provenance":"rcsr","source_id":"rcsr","systre_key":"rcsr","systre_key_checksum":"rcsr","mofplus_coverage":"confirmed rcsr-only: the symbol does not appear in the MOF+ listing of 2443 names, so no MOF+ counterpart is expected","licence":"rcsr-agreement (© 2019 RCSR.net)","name_match":"single-source"}},"ordering":{"rcsr_index":6,"rcsr_index_provenance":"derived","rcsr_index_absence":null,"rcsr_index_note":"Derived by this site, not published by RCSR: the 1-based position of the symbol in the ascending ASCII-lexicographic ordering of the 2930 symbols in the RCSR Systre archive of 2019-06-01. RCSR does not number its nets; this is our ordering of their symbols and nothing more.","complexity_rank":2445,"complexity_basis":{"level":null,"level_name":"none","fields":{},"tie_break":{"symbol":"aca-a"},"key":[99,"aca-a"],"unkeyed":true}},"spacegroup":null,"spacegroup_number":null,"transitivity":{"p":null,"q":null,"r":null,"s":null},"cell":null,"natoms":null,"catenated":null,"catenated_note":"Not recorded: no source we read states whether this net is interpenetrated. The RCSR Systre archive carries no catenation field at all, so a record built from it alone says nothing either way. A blank here is that absence, not the claim that the net is not catenated.","licence":"RCSR-2019","coordination_sequences":{"state":"not-recorded","note":"No coordination sequence is recorded for this net: the source stores none. Every sequence below is absent — which is a different fact from a sequence of length zero, and is why the field is null rather than an empty list.","provenance":null,"corroboration":null,"topology_mismatch":null,"class_mapping":null,"unresolved":null,"vertex_symbols":{"state":"not-recorded","note":"No vertex symbol is recorded for this net. Every symbol below is absent, which is a different fact from a symbol that is blank or unknown, and is why the field is null rather than an empty string.","corroboration":"Not corroborated. The coordination sequences beside these symbols carry a corroboration of their own, stated under coordination_sequences; the vertex symbols carry none. A vertex symbol names the shortest ring at each angle of a vertex, no ring perception runs anywhere in this project, and so there is nothing here that could reproduce one: these strings are served on the word of the source alone. What was checked is their shape — a d-coordinated vertex has d(d-1)/2 angles and a whole symbol names a ring at each, and a string that lists fewer is flagged rather than served as a symbol. A string that passes that count can still be wrong in its rings, and nothing here says otherwise.","provenance":null,"stored":0,"shape_checked":0,"truncated":[],"placeholder":[],"incomplete":[],"flagged":{},"absence_reason":"not recorded: no vertex symbol is stored for this vertex."}},"vertex_symbols":{"state":"not-recorded","note":"No vertex symbol is recorded for this net. Every symbol below is absent, which is a different fact from a symbol that is blank or unknown, and is why the field is null rather than an empty string.","corroboration":"Not corroborated. The coordination sequences beside these symbols carry a corroboration of their own, stated under coordination_sequences; the vertex symbols carry none. A vertex symbol names the shortest ring at each angle of a vertex, no ring perception runs anywhere in this project, and so there is nothing here that could reproduce one: these strings are served on the word of the source alone. What was checked is their shape — a d-coordinated vertex has d(d-1)/2 angles and a whole symbol names a ring at each, and a string that lists fewer is flagged rather than served as a symbol. A string that passes that count can still be wrong in its rings, and nothing here says otherwise.","provenance":null,"stored":0,"shape_checked":0,"truncated":[],"placeholder":[],"incomplete":[],"flagged":{},"absence_reason":"not recorded: no vertex symbol is stored for this vertex."},"systre":{"key":"3 1 2 0 0 0 1 3 0 0 0 1 4 0 0 0 1 5 0 0 0 1 6 0 0 0 2 3 0 0 0 2 4 0 0 0 2 7 0 0 0 2 8 0 0 0 3 5 0 0 0 3 8 0 0 0 3 9 0 0 0 4 5 0 0 0 4 8 0 0 0 4 10 0 0 0 5 8 0 0 0 5 11 0 0 0 6 12 0 0 0 6 13 0 0 0 6 14 0 0 0 7 15 0 0 0 7 16 0 0 0 8 17 0 0 0 9 18 0 0 0 9 19 0 0 0 10 20 0 0 0 10 21 0 0 0 11 22 0 0 0 11 23 0 0 0 12 13 0 0 0 12 24 0 0 0 12 25 0 0 0 13 26 0 0 0 13 27 0 0 0 14 25 0 0 0 14 27 0 0 0 14 28 0 0 0 15 29 0 0 0 15 30 0 0 0 16 30 0 0 0 16 31 0 0 0 17 32 0 0 0 17 33 0 0 0 17 34 0 0 0 18 35 0 0 0 18 36 0 0 0 19 36 0 0 0 19 37 0 0 0 20 38 0 0 0 20 39 0 0 0 21 39 0 0 0 21 40 0 0 0 22 41 0 0 0 22 42 0 0 0 23 42 0 0 0 23 43 0 0 0 24 31 0 0 0 24 41 1 0 0 24 44 0 0 0 24 45 0 0 0 25 27 0 0 0 25 46 0 0 0 26 37 0 0 0 26 38 0 1 0 26 47 0 0 0 26 48 0 0 0 27 49 0 0 0 28 29 0 0 1 28 35 0 0 1 28 40 0 0 0 28 43 0 0 0 29 35 0 0 0 29 40 0 0 -1 29 50 0 0 0 30 51 0 0 0 31 44 0 0 0 31 45 0 0 0 31 52 0 0 0 32 50 0 0 0 32 53 0 0 0 32 54 0 0 0 33 34 0 0 0 33 53 0 0 0 33 55 0 0 0 34 52 -1 0 0 34 54 0 0 0 35 43 0 0 -1 35 50 0 0 0 36 56 0 0 0 37 47 0 0 0 37 48 0 0 0 37 55 0 1 0 38 47 0 -1 0 38 48 0 -1 0 38 55 0 0 0 39 57 0 0 0 40 43 0 0 0 40 50 0 0 1 41 44 -1 0 0 41 45 -1 0 0 41 52 -1 0 0 42 58 0 0 0 43 50 0 0 1 44 52 0 0 0 44 59 0 0 0 45 52 0 0 0 45 60 0 0 0 46 51 0 0 1 46 58 1 0 0 46 61 0 0 0 46 62 0 0 0 47 55 0 1 0 47 63 0 0 0 48 55 0 1 0 48 64 0 0 0 49 56 0 0 1 49 57 0 1 0 49 65 0 0 0 49 66 0 0 0 51 61 0 0 -1 51 62 0 0 -1 51 67 0 0 0 53 54 0 0 0 53 68 0 0 0 54 67 -1 0 0 56 65 0 0 -1 56 66 0 0 -1 56 68 0 1 0 57 65 0 -1 0 57 66 0 -1 0 57 68 0 0 1 58 61 -1 0 0 58 62 -1 0 0 58 67 -1 0 1 59 63 0 0 0 59 69 0 0 0 60 64 1 -1 0 60 70 0 0 0 61 67 0 0 1 61 70 0 0 0 62 67 0 0 1 62 69 0 0 1 63 71 0 0 0 64 72 0 0 0 65 68 0 1 1 65 72 0 0 0 66 68 0 1 1 66 71 0 0 1 69 71 0 0 0 70 72 1 -1 0","checksum":"562e796060734b0d989080060f1237d5","provenance":"rcsr","checksum_provenance":"rcsr","absence":null,"note":"The canonical Systre key, copied verbatim from the local RCSR Systre archive of 2019-06-01. It is not computed here and cannot be: no Gavrog/Systre toolchain runs on this machine, so nothing on this site derives, extends, repairs or verifies a key. The checksum served beside it is the one the archive itself carries, copied from the same block, so that this copy can be checked against the upstream file; no checksum is computed or verified here."},"vertices":[],"geometry":null,"files":{"mfpx":null},"citation":{"text":"MOF++ contributors (2026). aca-a [net]. MOF++ dataset release unreleased. Record: https://mofpp.ramabile.casa/net/aca-a","record_uri":"https://mofpp.ramabile.casa/net/aca-a","dataset_doi":null,"dataset_version":"unreleased","licence":{"id":"RCSR-2019","name":"© 2019 RCSR.net — redistributed by MOF++ under agreement","url":"https://rcsr.anu.edu.au","short":"© 2019 RCSR.net","open":false,"note":"Reticular Chemistry Structure Resource data, third-party copyright. MOF++ redistributes it under a private agreement with the rights holder. That agreement covers redistribution by MOF++ and grants you no onward licence: to reuse or redistribute these records yourself, ask RCSR."}},"relations":{"derived_from":[],"derives":[]}}