Examples

Real chemistry, real AsciiChem. Each example shows the source, the model, and the rendered MathML.

Water and hydration

Source Rendered

H_2O

H_{2} O

CuSO_4 · 5H_2O

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Source Rendered

^14C

{}^{14}C

^131I

{}^{131}I

^238U

{}^{238}U

Carbon-14 for radiodating, iodine-131 for medical imaging, uranium-238 for the decay series.

Source Rendered

[Fe(CN)_6]^4-

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[Co(NH_3)_6]^3+

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Source Rendered

HAc <=> Ac^- + H^+

H Ac ⇌ {Ac}^{-} + H^{+}

For the K_a expression, see embedded math.

Source Rendered

2Na + Cl_2 -> 2NaCl

2 Na + {Cl}_{2} \to 2 Na Cl

MnO_4^- + 8H^+ + 5e^- -> Mn^2+ + 4H_2O

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Source Rendered

CH_4 + 2O_2 -> CO_2 + 2H_2O

C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O

CH_2=CH_2

C H_{2} = C H_{2}

Source Rendered

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10

{1s}^{2}   {2s}^{2}   {2p}^{6}   {3s}^{2}   {3p}^{6}   {4s}^{2}   {3d}^{10}

Ground state of zinc.

Source Rendered

N_2 + 3H_2 <=>[Fe][400°C] 2NH_3

N_{2} + 3 H_{2} ⇌_{Fe}^{400°C} 2 N H_{3}

2SO_2 + O_2 <=>[V_2O_5] 2SO_3

2 S O_{2} + O_{2} \overset{V_{2} O_{5}}{⇌} 2 S O_{3}

The Haber process and the contact process — both with catalysts and conditions on the equilibrium arrow.

Every example on this page round-trips through the parser. Verify locally:

bundle exec asciichem roundtrip -i "N_2 + 3H_2 <=>[Fe][400°C] 2NH_3"