Editing Ligand (section)

===Other generally encountered ligands (alphabetical)===
In this table other common ligands are listed in alphabetical order.

{| class="wikitable sortable"
! Ligand !! Formula (bonding atom(s) in bold) !! Charge !! Most common denticity !! Remark(s)
|-
| [[Acetylacetone|Acetylacetonate]] (acac)|| CH<sub>3</sub>−C'''O'''−CH<sub>2</sub>−C'''O'''−CH<sub>3</sub> || monoanionic || bidentate || In general bidentate, bound through both oxygens, but sometimes bound through the central carbon only,<br/> see also analogous ketimine analogues
|-
| [[Alkene]]s || R<sub>2</sub>'''C=C'''R<sub>2</sub> || neutral || || compounds with a C−C double bond
|-
| [[Aminopolycarboxylic acid]]s (APCAs) || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| [[BAPTA]] (1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid) || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| [[Benzene]] || '''C<sub>6</sub>'''H<sub>6</sub> || neutral || || and other arenes
|-
| [[1,2-Bis(diphenylphosphino)ethane]] (dppe) || (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>'''P'''−C<sub>2</sub>H<sub>4</sub>−'''P'''(C<sub>6</sub>H<sub>5</sub>)<sub>2</sub> || neutral || bidentate ||
|-
| [[1,1-Bis(diphenylphosphino)methane]] (dppm) || (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>'''P'''−CH<sub>2</sub>−'''P'''(C<sub>6</sub>H<sub>5</sub>)<sub>2</sub> || neutral || || Can bond to two metal atoms at once, forming dimers
|-
| [[Corrole]]s || || || tetradentate ||
|-
| [[Crown ether]]s || || neutral || || primarily for alkali and alkaline earth metal cations
|-
| [[Cryptand|2,2,2-cryptand]] || || || hexadentate || primarily for alkali and alkaline earth metal cations
|-
| [[Cryptate]]s || || neutral || ||
|-
| [[Cyclopentadienyl complex|Cyclopentadienyl]] (Cp) || {{chem|'''C'''|'''5'''|H|5|−}} || monoanionic || || Although monoanionic, by the nature of its occupied molecular orbitals, it is capable of acting as a tridentate ligand.
|-
| [[Diethylenetriamine]] (dien) || C<sub>4</sub>H<sub>13</sub>'''N<sub>3</sub>''' || neutral || tridentate || related to TACN, but not constrained to facial complexation
|-
| [[Dimethylglyoxime|Dimethylglyoximate]] (dmgH<sup>−</sup>) || || monoanionic || ||
|-
| [[DOTA (chelator)|1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid]] (DOTA) || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| Diethylenetriaminepentaacetic acid (DTPA) ([[pentetic acid]]) || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| [[Ethylenediaminetetraacetic acid]] (EDTA) (edta<sup>4−</sup>) || (<sup>−</sup>O'''O'''C−CH<sub>2</sub>)<sub>2</sub>'''N'''−C<sub>2</sub>H<sub>4</sub>−'''N'''(CH<sub>2</sub>-C'''O'''O<sup>−</sup>)<sub>2</sub> || tetraanionic || hexadentate ||
|-
| Ethylenediaminetriacetate || <sup>−</sup>O'''O'''C−CH<sub>2</sub>'''N'''H−C<sub>2</sub>H<sub>4</sub>−'''N'''(CH<sub>2</sub>-C'''O'''O<sup>−</sup>)<sub>2</sub> || trianionic || pentadentate ||
|-
| [[EGTA (chemical)|Ethyleneglycolbis(oxyethylenenitrilo)tetraacetate]] (egta<sup>4−</sup>) || (<sup>−</sup>O'''O'''C−CH<sub>2</sub>)<sub>2</sub>'''N'''−C<sub>2</sub>H<sub>4</sub>−'''O'''−C<sub>2</sub>H<sub>4</sub>−'''O'''−C<sub>2</sub>H<sub>4</sub>−'''N'''(CH<sub>2</sub>−C'''O'''O<sup>−</sup>)<sub>2</sub> || tetraanionic || octodentate ||
|-
| [[Fura-2]] || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| [[Glycine|Glycinate]] (glycinato) || '''N'''H<sub>2</sub>CH<sub>2</sub>C'''O'''O<sup>−</sup> || monoanionic || bidentate || other α-amino acid anions are comparable (but chiral)
|-
| [[Heme]] || || dianionic || tetradentate || macrocyclic ligand
|-
| [[Iminodiacetic acid]] (IDA) || &nbsp; || &nbsp; || tridentate || Used extensively to make [[radioactive tracer|radiotracers]] for [[scintigraphy]] by complexing the metastable radionuclide [[technetium-99m]]. For example, in [[cholescintigraphy]], HIDA, BrIDA, PIPIDA, and DISIDA are used
|-
| [[Nicotianamine]] || &nbsp; || &nbsp; || &nbsp; || Ubiquitous in higher [[plant]]s
|-
| [[Nitrosyl]] || '''N'''O<sup>+</sup> || cationic || || bent (1e<sup>−</sup>) and linear (3e<sup>−</sup>) bonding mode
|-
| [[Nitrilotriacetic acid]] (NTA) || &nbsp; || &nbsp; || &nbsp; || &nbsp;
|-
| [[Oxo (ligand)|Oxo]] || '''O'''<sup>2−</sup> || dianion || monodentate || sometimes bridging
|-
| [[Pyrazine]] || '''N'''<sub>2</sub>C<sub>4</sub>H<sub>4</sub> || neutral || ditopic || sometimes bridging
|-
| [[Scorpionate ligand]] || || || tridentate ||
|-
| [[Sulfite]] || '''O'''−{{chem|SO|2|2−}}<br/>'''S'''−{{chem|O|3|2−}} || monoanionic || monodentate || ambidentate
|-
| [[Terpyridine|2,2';6',2″-Terpyridine]] (terpy) || '''N'''C<sub>5</sub>H<sub>4</sub>−C<sub>5</sub>H<sub>3</sub>'''N'''−C<sub>5</sub>H<sub>4</sub>'''N''' || neutral || tridentate || meridional bonding only
|-
| [[Triazacyclononane]] (tacn) || (C<sub>2</sub>H<sub>4</sub>)<sub>3</sub>('''N'''R)<sub>3</sub> || neutral || tridentate || macrocyclic ligand<br/> see also the ''N'',''N''′,''N''″-trimethylated analogue
|-
| [[Tricyclohexylphosphine]] || '''P'''(C<sub>6</sub>H<sub>11</sub>)<sub>3</sub> or '''P'''Cy<sub>3</sub> || neutral || monodentate ||
|-
| [[Triethylenetetramine]] (trien) || C<sub>6</sub>H<sub>18</sub>'''N<sub>4</sub>''' || neutral || tetradentate ||
|-
| [[Trimethylphosphine]] || '''P'''(CH<sub>3</sub>)<sub>3</sub> || neutral || monodentate ||
|-
| [[Tris(o-tolyl)phosphine]] || '''P'''(''o''-tolyl)<sub>3</sub> || neutral || monodentate ||
|-
| [[Tris(2-aminoethyl)amine]] (tren) || ('''N'''H<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>)<sub>3</sub>'''N''' || neutral || tetradentate ||
|-
| Tris(2-diphenylphosphineethyl)amine (np<sub>3</sub>) || || neutral || tetradentate ||
|-
|[[Tropylium]] || {{chem|'''C'''|'''7'''|H|7|+}} || cationic || ||
|-
|[[Carbon dioxide]] || –'''C'''O<sub>2</sub>, others || neutral || || see [[metal carbon dioxide complex]]
|-
|[[Phosphorus trifluoride]] (trifluorophosphorus) || –'''P'''F<sub>3</sub> || neutral || ||
|}