| Name | Formula | Alpha Formula | Edge | Filename | Citation |
| Cyclopentadienyltitanium trichloride | C5H5TiCl3 | C5Cl3H5Ti | C 1s | td-0cckk.os | WH93 |
| Cyclopentadienyltitanium trichloride | C5H5TiCl3 | C5Cl3H5Ti | Cl 2p | td-0cll3.os | WH93 |
| Cyclopentadienyltitanium trichloride | C5H5TiCl3 | C5Cl3H5Ti | Ti 2p | td-0til3.os | WH93 |
| perfluorocyclopentane | c-C5F10 | C5F10 | C 1s | fi-0cckk.os | RI&88 |
| perfluorocyclopentane | c-C5F10 | C5F10 | F 1s | fi-0ffkk.os | IH88 |
| Perfluoroeneopentane | C5F12 | C5F12 | C 1s | fo-0cckk.os | RI&88 |
| Perfluoroeneopentane | C5F12 | C5F12 | F 1s | fo-0ffkk.os | RI&88 |
| Perfluoro-n-pentane | C5F12 | C5F12 | C 1s | fv-0cckk.os | IM&88 |
| Perfluoro-n-pentane | C5F12 | C5F12 | F 1s | fv-0ffkk.os | IM&88 |
| perfluorocyclopentene | C5F8 | C5F8 | C 1s | fg-0cckk.os | RI&88 |
| perfluorocyclopentene | c-C5F8 | C5F8 | F 1s | fg-0ffkk.os | RI&88 |
| Iron Pentacarbonyl | Fe(CO)5 | C5FeO5 | C 1s | fw-0cckk.os | RI&88 |
| Iron Pentacarbonyl | Fe(CO)5 | C5FeO5 | Fe 2p | fw-0fel3.os | RI&88 |
| Iron Pentacarbonyl | Fe(CO)5 | C5FeO5 | O 1s | fw-0ookk.os | RI&88 |
| Cyclopentane | c-C5H10 | C5H10 | C 1s | pu-0cckk.os | HN&86 |
| Tetrahydropyran | c-C5H10O | C5H10O | C 1s | pa-0cckk.os | NIH86 |
| Tetrahydropyran | c-C5H10O | C5H10O | O 1s | pa-0ookk.os | NIH86 |
| Piperdine | c-C5H11N | C5H11N | C 1s | pi-0cckk.os | NIH86 |
| Piperdine | c-C5H11N | C5H11N | N 1s | pi-0nnkk.os | NIH86 |
| 2,2Dimethylpropane | C(CH3)4 | C5H12 | C 1s | dm-0cckk.os | HI87 |
| Isopentane (i.e. 2-methylbutane) | CH3CH(CH3)CH2CH3 | C5H12 | C 1s | ip-0cckk.os | HI87 |
| n-pentane | C5H12 | C5H12 | C 1s | np-0cckk.os | HI87 |
| Carbene saturated H2(methyl) | C5H12N2 | C5H12N2 | N 1s | vm-0nnkk.os | LU+99 |
| sec-Butyl-Ethyl-Ether | CH3OC4H11 | C5H14O | C 1s | ii-0cckk.os | UHR95 |
| sec-Butyl-Ethyl-Ether | CH3OC4H11 | C5H14O | O 1s | ii-0ookk.os | UHR95 |
| trimethylethoxysilane | (CH3)3Si(OC2H5) | C5H14OSi | C1s | vqb-0cckk.os | |
| trimethylethoxysilane | (CH3)3Si(OC2H5) | C5H14OSi | 01s | vqb-0ookk.os | |
| trimethylethoxysilane | (CH3)3Si(OC2H5) | C5H14OSi | Si2p,2s | vqb-0sill.os | |
| dimethylamino trimethylsilane | Me3Si[NMe2] | C5H15NSi | C 1s | ug-0cckk.os | UH94b |
| dimethylamino trimethylsilane | Me3Si[NMe2] | C5H15NSi | N 1s | ug-0nnkk.os | UH94b |
| dimethylamino trimethylsilane | Me3Si[NMe2] | C5H15NSi | Si 2p | ug-0sill.os | UH94b |
| Dicyanoimidazole | C3N2H2(CN)2 | C5H2N4 | C 1s | di-0cckk.os | AHG93 |
| Dicyanoimidazole | C3N2H2(CN)2 | C5H2N4 | N 1s | di-0nnkk.os | AHG93 |
| Pyridine | c-C5H5N | C5H5N | C 1s | py-0cckk.os | HS&85 |
| Pyridine | c-C5H5N | C5H5N | N 1s | py-0nnkk.os | HS&85 |
| Cyclopentadiene (cp) | C5H6 | C5H6 | C 1s | pd-0cckk.os | RWH91 |
| 3-Me-selenophene | CH3-C4H4Se | C5H7Se | C 1s | sm-0cckk.os | HTB89 |
| Cyclopentene | c-C5H8 | C5H8 | C 1s | pv-0cckk.os | HN&86 |
| Dihydropyran | c-C5H8O | C5H8O | C 1s | dp-0cckk.os | NIH86 |
| Dihydropyran | c-C5H8O | C5H8O | O 1s | dp-0ookk.os | NIH86 |
| AcetylAcetone | ME(CO)CH2(CO)ME | C5H8O2 | C1s | kp-0cckk.OS | |
| AcetylAcetone | ME(CO)CH2(CO)ME | C5H8O2 | O1s | kp-0ookk.OS | |
| Dimethyl Malonate | ME(O)CO(CH2)CO(O)ME | C5H8O4 | C1s | kq-0cckk.os | |
| Dimethyl Malonate | ME(O)CO(CH2)CO(O)ME | C5H8O4 | O1s | kq-0ookk.os | |
| Manganese carbonylhydride | Mn(CO)5H | C5HMnO5 | C 1s | mc-0cckk.os | RH89 |
| Manganese carbonylhydride | Mn(CO)5H | C5HMnO5 | O 1s | mc-0ookk.os | RH89 |