| Name | Formula | Alpha formula | Edge | Filename (right click to 'save target as') | Citation |
| saturated Germylene | C10N2H22Ge | C10N2H22Ge | C 1s | gs-0cckk.os | LU+99 |
| saturated Germylene | C10N2H22Ge | C10N2H22Ge | Ge 3p | gs-0ge3p.os | LU+99 |
| saturated Germylene | C10N2H22Ge | C10N2H22Ge | N 1s | gs-0nnkk.os | LU+99 |
| saturated SiH2 silylene | H2Si(NtBuCH2CH2NtBu) | C10H24N2Si | C 1s | us-0cckk.os | UH+98 |
| saturated SiH2 silylene | H2Si(NtBuCH2CH2NtBu) | C10H24N2Si | N 1s | us-0nnkk.os | UH+98 |
| saturated SiH2 silylene | H2Si(NtBuCH2CH2NtBu) | C10H24N2Si | Si 2p | us-0sill.os | UH+98 |
| saturated silylene | Si(NtBuCH2CH2NtBu) | C10H22N2Si | C 1s | ut-0cckk.os | UH+98 |
| saturated silylene | Si(NtBuCH2CH2NtBu) | C10H22N2Si | N 1s | ut-0nnkk.os | UH+98 |
| saturated silylene | Si(NtBuCH2CH2NtBu) | C10H22N2Si | Si 2p | ut-0sill.os | UH+98 |
| sec-Butyl-Ethyl-Ether | CH3OC4H11 | C5H14O | C 1s | ii-0cckk.os | UHR95 |
| sec-Butyl-Ethyl-Ether | CH3OC4H11 | C5H14O | O 1s | ii-0ookk.os | UHR95 |
| Selenium | Se (atomic) | Se | Se 3d,3p,3s | aaa-semm.os | SF |
| Selenophene | c-SeC4H4 | C4H4Se | C 1s | se-0cckk.os | HTB89 |
| Selenophene | c-SeC4H4 | C4H4Se | Se 3d,3p | se-0sem5.os | HTB89 |
| Silicon | Si (atomic) | Si | Si 2p,2s | aaa-sill.os | SF |
| Silicon tetrachloride | SiCl4 | Cl4Si | Cl 2p | sg-0cll3.os | W92 |
| Silicon tetrachloride | SiCl4 | Cl4Si | Si 2p | sg-0sil3.os | W92 |
| silyl triflate | Me3SiOSO2CF3 | C4F3H9O3SSi | C 1s | uh-0cckk.os | UH94a |
| silyl triflate | Me3SiOSO2CF3 | C4F3H9O3SSi | Si 2p | uh-0sill.os | UH94a |
| silylene | Si(NtBuCH=CHNtBu) | C10H20N2Si | C 1s | uo-0cckk.os | UH+98 |
| silylene | Si(NtBuCH=CHNtBu) | C10H20N2Si | N 1s | uo-0nnkk.os | UH+98 |
| silylene | Si(NtBuCH=CHNtBu) | C10H20N2Si | Si 2p | uo-0sill.os | UH+98 |
| S-naphthalene | C6H4N2S2 | C6H4N2S2 | C 1s | bl-0cckk.os | HD&91 |
| S-naphthalene | C6H4N2S2 | C6H4N2S2 | N 1s | bl-0nnkk.os | HD&91 |
| S-naphthalene | C6H4N2S2 | C6H4N2S2 | S 2p,2s | bl-0sskk.os | HD&91 |
| s-triazine | C3N3H3 | C3H3N3 | C 1s | tz-0cckk.os | AHG93 |
| s-triazine | C3N3H3 | C3H3N3 | N 1s | tz-0nnkk.os | AHG93 |
| Sulfur | S (atomic) | S | S 2p,2s | aaa-ssll.os | SF |
| Sulfurhexafluoride | SF6 | F6S | F 1s | sf-0ffkk.os | HB78c |
| Sulfurhexafluoride | SF6 | F6S | S 2s | sf-0ss2s.os | FT+95 |
| Sulfurhexafluoride | SF6 | F6S | S 2s | sf-0ssl1.os | FT+95 |
| Sulfurhexafluoride | SF6 | F6S | S 2p | sf-0ssl3.os | HB78c |
| sulfurtetrafluoride | SF4 | SF4 | F 1s | sk-0ffkk.os | BH87 |
| sulfurtetrafluoride | SF4 | SF4 | S 2p | sk-0ssl3.os | BH87 |