.. |NM4| replace:: (kJ mol\ :math:`^{-1}`\ nm\ :math:`^{-4}`
.. |DKJ| replace:: :math:`D` (kJ mol\ :math:`^{-1}`
.. |BETA| replace:: :math:`\beta` (nm\ :math:`^{-1}`
-.. |C23| replace:: :math:`C_{i=2,3}` (kJ mol\ :math:`^{-1}\ nm\ :math:`^{-i}`
+.. |C23| replace:: :math:`C_{i=2,3}` (kJ mol\ :math:`^{-1}`\ nm\ :math:`^{-i}`
.. |BMM| replace:: :math:`b_m`
.. |GE0| replace:: :math:`\geq 0`
.. |KO| replace:: :math:`k`