Predloga:Chem2

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{{chem2}} (or {{CHEM2}}) is a template used to format a chemical formula or equation.

Use

Formula punctuation

Symbol	Gives	Example	Output
\s	−	{{chem2|CH3\sCH3}}	CH3−CH3
\d	=	{{chem2|CH2\dCH2}}	CH2=CH2
\t	≡	{{chem2|HC\tCH}}	HC≡CH
\q	≣	{{chem2|[Cl4Re\qReCl4](2−)|}}	[Cl4Re≣ReCl4]2−
\-	-
\\	\
\h	η
\h{1}	η1-
\m{1}	μ1-
->	→	{{chem2|2H2 + O2 -> 2H2O}}	2H2 + O2 → 2H2O
<->	⇌
*	·	{{chem2|CoCl2*6H2O}}	CoCl2·6H2O
\*	*	{{chem2|Cp\*2Fe}}	Cp*2Fe
_{}	subscript	{{chem2|CH4_{(g)}|}} *	CH4(g)
^{}	superscript	{{chem2|^{13}CH4}}	13CH4
&nabla;	∇	{{chem2|&nabla;}}	∇
( )	( )	{{chem2|R\sCH(OH)CN}}	R−CH(OH)CN

^ If the last character of the template input is }, MediaWiki will confuse it with the end-of-template tag }}. Adding a space between the two resolves this ambiguity. Other options include instead inserting {{null}} or <nowiki/>.

Formulas, charges, equations

Formulas (without charge) are just written:

• {{chem2|CH3(CH2)5CH3}} → CH₃(CH₂)₅CH₃
• {{chem2|Fe3S2(CO)9}} → Fe₃S₂(CO)₉
• {{chem2|C_{''n''}H_{2''n''+2}|}} → C_nH_2n+2

Charges are written inside parentheses:

• {{chem2|SO4(2-)}} → SO2−4
• {{chem2|S19(2+)}} → S2+19

Charges +1 and −1 can be written plain:

• {{chem2|Na+}} → Na⁺
• {{chem2|O2-}} → O−2

equals {{chem2|O2(-)}}

Chemical equations:

• {{chem2|2 S + 3 O2 + 2 H2O -> 2 H2SO4}} → 2 S + 3 O₂ + 2 H₂O → 2 H₂SO₄
• {{chem2|2S + 3O2 + 2H2O -> 2H2SO4}} → 2S + 3O₂ + 2H₂O → 2H₂SO₄

The arrows can be written as -> or just →. All characters (and unicode markup) are valid input except \, = (Mediawiki use it), _ and - (endash etc.)

• {{chem2|2 H2_{(g)} + O2_{(g)} -> 2H2O_{(g)}|}} → 2 H_2(g) + O_2(g) → 2H₂O_(g)
• {{chem2|NH2RCHCO2H <-> NH3+RCHCO2-}} → NH₂RCHCO₂H ⇌ NH+3RCHCO−2

Hapticity and mu:

• {{chem2|W(CO)3(PiPr3)2(\h{2}H2)}} → W(CO)₃(PiPr₃)₂(η²-H₂)
• {{chem2|auto=yes|W(CO)3(PiPr3)2(\h{2}H2)}} → W(CO)₃(PiPr₃)₂(η²-H₂)

Wikilinks

Whole formula link

Link the whole formula with |link=<wiki pagename>:

• {{chem2|FeCl3|link=Iron(III) chloride}} → FeCl₃

Or use wikilink brackets in input like [[ammonia|NH3]]:

• {{chem2|3[[hydrogen|H2]] + 2[[nitrogen|N2]] <-> 2[[ammonia|NH3]]}} → 3H₂ + 2N₂ ⇌ 2NH₃

Link each element (C, Hg) and generic element code (R, X)

Use |auto=yes to link each element symbol once, as well as some others such as Ph

• {{chem2|CH3CH2CH3CBrFCIClCH3|auto=yes}} → CH₃CH₂CH₃CBrFCIClCH₃

Link functional groups

Some common groups are recognized and linked if you wikilink them using [[ ]]

• {{chem2|R\-[[COOH]]}} → R-COOH
• {{chem2|[[CH3]]C[[R]]2[[I]]}} → CH₃CR₂I
• In particular H2O links to water of crystallization in {{chem2|CuSO4 * 5 [[H2O]]}} → CuSO₄ · 5 H₂O, because a link to water is generally unnecessary.

You can link to any article even if chem2 is unaware of it:!-- same as |link=... then -->

• {{chem2|[[C6H5NH2]]}} → C₆H₅NH₂

To change the default link:

• {{chem2|[[water|H2O]]}} → H₂O

All recognised symbols and codes

All link targets recognised by {{chem2}} (elements, general codes, functional groups)

Elements and element-style symbols These may be automatically linked or used as if they were redirects. Symbol Link target Ac aktinij Ag srebro Al aluminij Am americij Ar argon As arzen At astat Au zlato B bor Ba barij Be berilij Bh borij Bi bizmut Bk berkelij Bn benzilna skupina Br brom Bz benzoilna skupina C ogljik Ca kalcij Cd kadmij Ce cerij Cf kalifornij Cl klor Cm kirij Co kobalt Cp kopernicij Cr krom Cs cezij Cu baker D devterij Db dubnij Ds darmštatij Dy disprozij Er erbij Es ajnštajnij Et etilna skupina Eu evropij F fluor Fe železo Fl flerovij Fm fermij Fr francij Ga galij Gd gadolinij Ge germanij H vodik He helij Hf hafnij Hg živo srebro Ho holmij Hs hasij I jod In indij Ir iridij K kalij Kr kripton La lantan Li litij Ln lantanid Lr lavrencij Lu lutecij Lv livermorij Mc moskovij Md mendelevij Mg magnezij Mn mangan Mo molibden Mt majtnerij N dušik Na natrij Nb niobij Nd neodim Ne neon Nh nihonij Ni nikelj No nobelij Np neptunij Nu nukleofil O kisik Og oganeson Os osmij P fosfor Pa protaktinij Pb svinec Pd paladij Ph fenilna skupinap Pm prometij Po polonij Pr prazeodim Pt platina Pu plutonij R substituent Ra radij Rb rubidij Re renij Rf raderfordij Rg rentgenij Rh rodij Rn radon Ru rutenij S žveplo Sb antimon Sc skandij Se selen Sg siborgij Si silicij Sm samarij Sn kositer Sr stroncij T tritij Ta tantal Tb terbij Tc tehnecij Te telur Tf trifluorometilsulfonilna skupina Th torij Ti titan Tl talij Tm tulij Ts tenes U uran V vanadij W volfram X halogen Xe ksenon Y itrij Yb iterbij Zn cink Zr cirkonij Skupine These must be linked manually; they work as if they were redirects. Simbol Cilj povezave CH3 metilna skupina CO3 karbonat COOH karboksilna skupina ClO hipoklorit ClO2 klorit ClO3 klorat ClO4 perklorat H2O kristalizacijska voda H3O hidronij NH2 aminska skupina NH4 amonij NO3 nitrat PO3 fosfit PO4 fosfat SH tiolna skupina SO3 sulfit SO4 sulfat SeH selenolna skupina

Examples

• {{chem2|[Cl4Re\qReCl4](2−)|}} gives [Cl₄Re≣ReCl₄]²⁻
• {{chem2|[Cl4Re\qReCl4](2-)|}} gives [Cl₄Re≣ReCl₄]²⁻
• {{chem2|NH2RCHCO2H <-> NH3+RCHCO2−}} gives NH₂RCHCO₂H ⇌ NH+3RCHCO−2

---

• {{chem2|\\hallo}} gives \hallo
• {{chem2|H3CC\tCH <-> H2C\dC\dCH2}} gives H₃CC≡CH ⇌ H₂C=C=CH₂
• {{chem2|4 NH3 + 5 O2 -> 4 NO + 6 H2O}} gives 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O

---

• "H2O → H2O" is H₂O → H₂O
• "H2O_{(l)} -> H2O_{(g)}" is H₂O_(l) → H₂O_(g)

---

• "4 NH3 + 5 O2 → 4 NO + 6 H2O" is 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O
• " 4 NH3 + 5 O2 → 4 NO + 6 H2O" is 4 NH₃ + 5 O₂ → 4 NO + 6 H₂O
• " 4NH3 + 5O2 → 4NO + 6H2O" is 4NH₃ + 5O₂ → 4NO + 6H₂O
• " 2Mn2(+)" is 2Mn+2
• " 2Mn2(+) + 3H2O" is 2Mn+2 + 3H₂O
• Mn– is Mn⁻

---

• Mn2(2-) is Mn2−2
• Mn2☃+ is Mn₂☃⁺, Mn2(2–) is Mn2−2, Mn2(2☃–) is Mn₂(₂☃⁻)
• Mn2(+) is Mn+2
• Mn2+ is Mn+2
• Mn2(-) is Mn−2
• Mn2- is Mn−2

---

• {{chem2|C_{''n''}H_{2''n'' + 2}|}} gives C_nH_2n + 2
• {{chem2|C_{abc}|}} gives C_abc
• (chem gives C
  _nH
  _2n + 2)
• {{chem2|CoCl2*1.5H2O}} gives CoCl₂·1.5H₂O
• Mn22– is Mn−22
• Cu2C2*H2O is Cu₂C₂·H₂O

---

Special

• {{chem2|[Me2Al(\m{2}Me)]2}} gives [Me₂Al(μ₂-Me)]₂
• {{chem2|^{13}CO2}} gives ¹³CO₂
• {{chem2|auto=yes|^{13}CO2}} gives ¹³CO₂
• {{chem2|\h{5}(C5H5)2TiCl2}} gives η⁵-(C₅H₅)₂TiCl₂
• {{chem2|\h{5}\s(C5H5)}} gives η⁵-−(C₅H₅)
• {{chem2|CH2\dCH2\sCH2\sC\tCH\qMn}} is CH₂=CH₂−CH₂−C≡CH≣Mn

---

• {{chem2|RC(OR’)3}} gives RC(OR’)₃
• {{chem2|C\\C}} gives C\C
• {{chem2|C2*NH3}} gives C₂·NH₃
• {{chem2|C2*2NH3}} gives C₂·2NH₃
• {{chem2|C1.2H3.5}} gives C_1.2H_3.5

---

• {{chem2|12|6|C}} is 12
• {{chem2|12|C}} is 12
• {{chem2|CH3\i{13}CH2CH3}} is CH₃CH₂CH₃
• {{chem2|\{\{abc\}\}}} is AbC
• C2(μ\-C) is C₂(μ-C)

---

• SO4(2-) is SO2−4
• 2Mn2(2+) is 2Mn2+2
• CH3-CH2-OH is CH−3CH−2OH
• [ZnCl4]- is [ZnCl₄]⁻
• [ZnCl4](2-) is [ZnCl₄]²⁻
• AUTO: ((H2O)5{CoCl2})2 is ((H₂O)₅{CoCl₂})₂
• Si(OH)4 is Si(OH)₄

---

• AUTO: Cu2C2*H2O is Cu₂C₂·H₂O
• Cu2C2*2H2O is Cu₂C₂·2H₂O
• CuSO*2H2O is CuSO·2H₂O
• CuSO4*15H2O is CuSO₄·15H₂O
• CuSO4(H2O)5 is CuSO₄(H₂O)₅
• H+ + OH- → H2O is H⁺ + OH⁻ → H₂O
• H → O is H → O

---

• ZxPo4 is ZxPo₄     Unknown element.
• ((Na)Cl is ((Na)Cl     Too many "(".
• Si(OH))4 is Si(OH))₄     Too many ")".
• Si&☃Si is Si&☃Si
• CH₂=CH₂

More

• {{chem2|Cl2O6|link=dichlorine hexoxide}} is Cl₂O₆
• [Fe(Phen)(Phen)3](2+) is [Fe(Phen)(Phen)₃]²⁺
• AUTO: [Fe(Phen)(Phen)3](2+) is [Fe(Phen)(Phen)₃]²⁺
• {{chem2|[C2O2](2+)}} is [C₂O₂]²⁺
• {{chem2|link=Tomato|SI4}} is SI₄
• H2SO4+ is H₂SO+4
• Mn- is Mn⁻
• Mn22+ is Mn+22, Mn22- is Mn−22,
• Mn(2+) is Mn²⁺
• Mn2(+) is Mn+2
• Mn(22-) is Mn²²⁻
• Mn3(22-) is Mn22−3
• Mn(22+) is Mn²²⁺
• Mn2(22+) is Mn22+2
• Mn2(2+) is Mn2+2
• Mn22(2+) is Mn2+22

Chem vs chem2

• (CH
  ₃)
  ₂CO     Chem
• (CH₃)₂CO     Chem2
• H⁺
  ₂     Chem
• H+2     Chem2

Predefined codes (groups etc.)

Predefined codes
code	target article	{{Chem2|code}}	type	note
A. Groups etc with element-like names
Bz	Benzoyl group	Bz	A: wl |auto=yes
Et	Ethyl group	Et	A: wl |auto=yes
Ln	Lanthanide	Ln	A: wl |auto=yes
Nu	Nucleophile	Nu	A: wl |auto=yes
Ph	Phenyl group	Ph	A: wl |auto=yes
R	Substituent	R	A: wl |auto=yes
T	Tritium	T	A: wl |auto=yes
Tf	Trifluoromethylsulfonyl group	Tf	A: wl |auto=yes
X	Halogen	X	A: wl |auto=yes
B. Groups which are redirected from their normal target if wikilinked; never autolinked.
CH3	Methyl group	CH3	B: wl |..[[code]]..
CO3	Carbonate	CO3	B: wl |..[[code]]..
COOH	Carboxyl group	COOH	B: wl |..[[code]]..
ClO	Hypochlorite	ClO	B: wl |..[[code]]..
ClO2	Chlorite	ClO2	B: wl |..[[code]]..
ClO3	Chlorate	ClO3	B: wl |..[[code]]..
ClO4	Perchlorate	ClO4	B: wl |..[[code]]..
H2O	Water of crystallization	H2O	B: wl |..[[code]]..
H3O	Hydronium	H3O	B: wl |..[[code]]..
NH2	Amine group	NH2	B: wl |..[[code]]..
NH4	Ammonium	NH4	B: wl |..[[code]]..
NO3	Nitrate	NO3	B: wl |..[[code]]..
PO3	Phosphite	PO3	B: wl |..[[code]]..
PO4	Phosphate	PO4	B: wl |..[[code]]..
SH	Thiol group	SH	B: wl |..[[code]]..
SO3	Sulfite	SO3	B: wl |..[[code]]..
SO4	Sulfate	SO4	B: wl |..[[code]]..
SeH	Selenol group	SeH	B: wl |..[[code]]..

TemplateData

To je dokumentacija TemplateData za predlogo, ki jo uporabljajo Vizualni urejevalnik in druga orodja; glejte mesečno poročilo o uporabi parametrov za to predlogo.

TemplateData za Chem2

Ni opisa.

Parametri predloge[Urejanje podatkov predloge]

Parameter		Opis	Vrsta	Stanje
1	1	brez opisa	Neznano	neobvezno
auto	auto	brez opisa	Neznano	neobvezno
link	link	brez opisa	Neznano	neobvezno

See also

• {{Chem}}
• <chem>, WP:MATHCHEM — by TeX

Zgornja dokumentacija je vključena od Predloga:Chem2/dok. (uredi | zgodovina)
Urejevalci lahko eksperimentirajo v peskovnik (ustvari | zrcali) in testniprimeri (ustvari) straneh te predloge.
Prosimo dodajte kategorije v /dok podstran. Podstran tega predloga.