Gadolinium

Also known as Gd, element 64, 64Gd, Gad, gadolininum, gadolinum

chemisches Element mit dem Symbol Gd und der Ordnungszahl 64

OverviewAI-generated

Gadolinium is a chemical element with the symbol Gd and atomic number 64. Its standard atomic weight is 157.25. The element has an electronegativity of 1.20 and an ionic radius of 1.05. It was discovered in 1880.

The substance is represented by the canonical SMILES string "[Gd]" and the Unicode character "釓". It has a topological polar surface area of 0, with no hydrogen bond donors or acceptors, and carries a charge of 0.

References to gadolinium appear in 45,325 PubMed articles. Additionally, the subject is referenced by 1,486 other encyclopedia articles.

Synthesized by Vinony from 23 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: Gd
Molecular weight: 157.25 g/mol
IUPAC name: gadolinium
SMILES: [Gd]
InChIKey: UIWYJDYFSGRHKR-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

45,325 papers

Update on Gadolinium-Based Contrast Agent Safety, From the AJR Special Series on Contrast Media.ReviewAJR. American journal of roentgenology · 2024Starekova J, Pirasteh A, Reeder SBDOI: 10.2214/AJR.23.30036
Gadolinium Deposition Disease: Current State of Knowledge and Expert Opinion.ReviewInvestigative radiology · 2023Semelka RC, Ramalho MDOI: 10.1097/RLI.0000000000000977
Gadolinium-Induced Fibrosis.ReviewAnnual review of medicine · 2016Todd DJ, Kay JDOI: 10.1146/annurev-med-063014-124936
Gadolinium toxicity: mechanisms, clinical manifestations, and nanoparticle role.ReviewArchives of toxicology · 2025Domingo JL, Semelka RCDOI: 10.1007/s00204-025-04124-x
Reducing Gadolinium Contrast With Artificial Intelligence.ReviewJournal of magnetic resonance imaging : JMRI · 2024Tsui B, Calabrese E, Zaharchuk G et al.DOI: 10.1002/jmri.29095
Extracellular gadolinium-based contrast agents.ReviewRadiologia · 2024Soler-Fernández R, Méndez-Díaz C, Rodríguez-García EDOI: 10.1016/j.rxeng.2024.04.004
[Gadolinium deposition-"gadolinium deposition disease"].ReviewDer Radiologe · 2019Raczeck P, Fries P, Bücker A et al.DOI: 10.1007/s00117-019-0522-9
Gadolinium-Based Contrast Agent-Related Toxicities.ReviewCNS drugs · 2018Pasquini L, Napolitano A, Visconti E et al.DOI: 10.1007/s40263-018-0500-1

via PubMed

Wikidata facts

Instance of: chemical element
Part of: period 6
Named after: Johan Gadolin
Mass: 157.249
Image: Gadolinium.jpg

Show 13 more facts

Commons gallery: Gadolinium
element symbol: Gd
Commons category: Gadolinium
discoverer or inventor: Jean Charles Galissard de Marignac
topic's main category: Category:Gadolinium
atomic number: 64
time of discovery or invention: 1880-01-01
canonical SMILES: [Gd]
chemical formula: Gd
electronegativity: 1.20
Unicode character: 釓
ionic radius: 1.05
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4

Sources (7)

via Wikidata · CC0

Article · Deutsch

Gadolinium ist ein chemisches Element mit dem Elementsymbol Gd und der Ordnungszahl 64. Im Periodensystem steht es in der Gruppe der Lanthanoide und zählt damit auch zu den Metallen der Seltenen Erden.

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