I am making a relatively simple table in LaTeX however, I came across a problem. I am trying to make the following table: 
However, I get the following:
My MWE is the following:
\documentclass{article} \usepackage{graphicx,multirow} \setbox0\hbox{\tabular{@{}l}Hydrocarbons\endtabular} \begin{document} \begin{tabular}{|c|c|c|c|} \hline \multicolumn{2}{|c|}{System} & K-Model & H-Model \\ \hline \multirow{4}{*}{\rotatebox{90}{\rlap{\usebox0}}} \\ & Ordinary & SRK &SRK \\ \cline{2-4} & Cryogenics & PR & PR \\ \cline{2-4} & Crude & CS, GS & LK \\ \cline{2-4} & Vacuum Crude & ESSO & LK\\ \hline \hline \multicolumn{2}{|c|}{Power combustion} & SRK &SRK \\ \hline \multicolumn{2}{|c|}{Acid, Bases, Electrolytes} & Electrolytes Models &SRK, HTSL\\ \hline \multicolumn{2}{|c|}{Chemicals} & Activity Coeff. & Latent Heat\\ \hline \end{tabular} \end{document} 

