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Table 2 Geometrical parameters of optimized NFC introducing stability onset in As-Se/S ChG: As₂Se₅ (Z = 2.29, Δl = 2) and As₂S₆ (Z = 2.25, Δl = 0)

From: Network-Forming Nanoclusters in Binary As–S/Se Glasses: From Ab Initio Quantum Chemical Modeling to Experimental Evidences

Nanocluster, Z	Bond distance, [⋅10⁻⁴ nm]		Bond angle, [deg]
Nanocluster, Z	As–Ch	Ch–Ch	∠Ch–As–Ch	∠Ch–Ch–As	∠Ch–Ch–Ch
As₂Se₅, Z = 2.29	2394 2399 2404 2404 2393 2399	2347 2347	97.4 96.1 97.6 96.3 97.5 97.6	99.3 99.1	105.7
Average	2399	2347	97.1	99.2	105.7
As₂S₆, Z = 2.25	2264 2262 2267 2261 2263 2262	2086	102.9 103.7 93.1 105.9 102.5 100.1	99.6 99.7	–
Average	2263	2086	101.3	99.7	–

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