Uridine
- Formula: C9H12N2O6
- Molecular weight: 244.2014
- IUPAC Standard InChI: InChI=1S/C9H12N2O6/c12-3-4-6(14)7(15)8(17-4)11-2-1-5(13)10-9(11)16/h1-2,4,6-8,12,14-15H,3H2,(H,10,13,16)/t4-,6-,7-,8-/m1/s1
- IUPAC Standard InChIKey: DRTQHJPVMGBUCF-XVFCMESISA-N
- CAS Registry Number: 58-96-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 1-β-D-Ribofuranosyl-2,4(1H,3H)-pyrimidinedione; β-D-Ribofuranoside, 2,4(1H,3H)-pyrimidinedione-1; β-Uridine; Uracil, 1-β-D-ribofuranosyl-; Urd; Uridin; 1-β-D-Ribofuranosyluracil; Uracil riboside; d-Ribosyl uracil; Uracil-1-β-d-ribofuranoside; NSC 20256
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Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 947.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 916.6 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
| Proton affinity (kJ/mol) | Reference | Comment |
|---|---|---|
| 899.0 | Mezzache, Alves, et al., 2005 | EKM using amino acid reference bases. ΔS(prot) relates to difference between transition states for dimer dissociation to yield protonated nucleotide or reference base, assummed to approximate the thermochemical ΔS(prot) of the nucleotide.; MM |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Mezzache, Alves, et al., 2005
Mezzache, S.; Alves, S.; Pepe, C.; Qualquejeu, M.; Fournier, F.; Valery, J.M.; Tabet, J.C.,
Proton affinity ladder for uridine and analogs: Influence of the hydroxyl group on the sugar ring conformation,
J. Mass Spectrom., 2005, 40, 722. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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