(Last updated January 2026)
Figure . The molecular diagram of Uric Acid.
| REFCODE | URICAC |
|---|---|
| Formula | C5 H4 N4 O3 |
| Common Name | Uric acid |
| IUPAC Systematic Name | 7,9-dihydro-1H-purine-2,6,8(3H)-trione |
| Other Names | 2,6,8-trioxypurine, 7,9-dihydro-1H-purine-2,6,8(3H)-trione, Lithic acid, Purine-2,6,8(1H,3H,9H)-trione, 1H-Purine-2,6,8-triol, 2,6,8-Trioxopurine, 2,6,8-Trioxypurine, 2,6,8-Trihydroxypurine, 8-Hydroxyxanthine, Purine-2,6,8-triol, Purine-3,6,8(1H,3H,9H)-trione, Uric oxide |
| CSD Refcodes | URICAC06 |
| Search Identifier | A |
| Scientist | Pinky Pridhanani-Jethani / Tom Lewis |
| Date | 2004 |
| Publication | Price, S. L., Patel, B., Pridhanani-Jethani, P., Torrisi, A., Trans. ACA, 39(2), 1-12 (2004) |
| Energy model | 1 |
| Study_ID | 0 |
| Programs | MOLPAK, DMAREL (3.0) |
| Location on S Drive | CHEMISTRY_CPOSS\\0-EarlySearches\\home\\louise_price.eminerals\\uric_acid |
| Potential Description | DMA + adjusted FIT |
| Intramolecular Description | MP2/6-31G(d,p) |
| Search Identifier | B |
| Scientist | Louise Price |
| Date | 2022 |
| Publication | This is a project with Jen Swift |
| Energy model | 1 |
| Study_ID | 1 |
| Programs | MOLPAK, DMACRYS (2.0.8 or 2.3.1.1) |
| Location on S Drive | CHEMISTRY_CPOSS\\uric_acid_2022 |
| Potential Description | DMA + adjusted FIT |
| Intramolecular Description | MP2/6-31G(d,p) |
Figure . Crystal energy landscape of Uric Acid from previous work.
Table . Crystallographic information for CSD entries for Uric Acid. Different polymorphs are coloured differently.
| REFCODE | space group | Z’ | a / Å | b / Å | c / Å | α / ° | β / ° | γ / ° | density / g cm-3 | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| URICAC | P21/a | 1.0 | 14.464 | 7.40300 | 6.208 | 90.0 | 65.1 | 90.0 | 1.8519 | None |
| URICAC01 | P21/n | 1.0 | 6.22880 | 7.3113 | 13.1274 | 90.0 | 90.632 | 90.0 | 1.8678 | None |
| URICAC02 | P21/n | 1.0 | 6.2182 | 7.35300 | 13.1232 | 90.0 | 90.519 | 90.0 | 1.8610 | None |
| URICAC03 | P21/n | 1.0 | 6.211 | 7.3857 | 13.1213 | 90.0 | 90.447 | 90.0 | 1.8551 | None |
| URICAC04 | P21/n | 1.0 | 6.20250 | 7.41630 | 13.1147 | 90.0 | 90.378 | 90.0 | 1.8509 | None |
| URICAC05 | P21/n | 1.0 | 6.1963 | 7.4512 | 13.1114 | 90.0 | 90.282 | 90.0 | 1.8445 | None |
| URICAC06 | P21/n | 1.0 | 6.1898 | 7.48570 | 13.1103 | 90.0 | 90.217000 | 90.0 | 1.8381 | None |
| URICAC07 | P21/n | 1.0 | 6.23520 | 7.27560 | 13.1328 | 90.0 | 90.710000 | 90.0 | 1.8743 | None |
| URICAC08 | P21/n | 1.0 | 6.2302 | 7.23680 | 13.113 | 90.0 | 90.850000 | 90.0 | 1.8888 | None |
Table . Experimental information for CSD entries for Uric Acid.
| REFCODE | space group | R factor | T / K | Year | Comments |
|---|---|---|---|---|---|
| URICAC | P21/a | 6.600 | None | 1966 | 10.1107/S0365110X66000914 |
| URICAC01 | P21/n | 5.56 | 173 K | 2019 | 10.3390/min9060373 |
| URICAC02 | P21/n | 5.26 | 213 K | 2019 | 10.3390/min9060373 |
| URICAC03 | P21/n | 4.81 | 243 K | 2019 | 10.3390/min9060373 |
| URICAC04 | P21/n | 4.62 | 273 K | 2019 | 10.3390/min9060373 |
| URICAC05 | P21/n | 4.2 | 303 K | 2019 | 10.3390/min9060373 |
| URICAC06 | P21/n | 3.65 | 333 K | 2019 | 10.3390/min9060373 |
| URICAC07 | P21/n | 5.5 | 130 K | 2019 | 10.3390/min9060373 |
| URICAC08 | P21/n | 6.75 | 120 K | 2005 | None |
Make this table include whether polymorphs are solution-grown, sublimation grown, templated or otherwise. Add references.