I made a table but it doesn't fit on the page. An image:
And the code producing the image is:
\documentclass[12pt,twoside
%,draft
]{report}
\usepackage[headheight=18pt,a4paper, width=150mm, top=25mm, bottom=25mm, bindingoffset=6mm, headsep=18pt]{geometry}
\usepackage[spanish,es-noquoting]{babel}
%interprete de idioma castellano
\usepackage[utf8]{inputenc} %relacionado al input
\usepackage[T1]{fontenc}
\usepackage{enumitem}
\usepackage{adjustbox}
\usepackage[flushleft]{threeparttable}
\usepackage[justification=centering]{caption}
\usepackage[hypcap=false]{caption}
%para que funcionen bien las tildes
\usepackage[activate={true,nocompatibility},final,tracking=true,kerning=true,spacing=true,factor=1100,stretch=10,shrink=10]{microtype}
\usepackage{csquotes} %"para citar bien"
\emergencystretch=2em
\decimalpoint
\begin{document}
%literalmente, los capitulos se reemplazan en input{capit..}. Modoficaciones particulares pueden realizarse desde aquí o desde el capítulo escrito
\begin{table}[H]
\centering
\begin{adjustbox}{width=\textwidth}
\begin{threeparttable}
\caption{Cálculo de p$Ka$ extendido}\label{table:estimación_pka_extendido}
\begin{tabular}{|l|c|c|c|c|c|}
\hline
& \textbf{} & \multicolumn{4}{c|}{\textbf{RM1}} \\ \hline
& & \multicolumn{2}{c|}{\textbf{COSMO}} & \multicolumn{2}{c|}{\textbf{SS-COSMO}} \\ \hline
& p$Ka_{\textrm{exp}}$(298K) & p$Ka_{\textrm{calc}}$ & $\Delta$p$Ka$ & p$Ka_{\textrm{calc}}$ & $\Delta$p$Ka$ \\ \hline
\textbf{Ácidos}& & & & & \\ \hline
cloroacético & 2.85 & 0.5 & 2.4 & 1.4 & 1.5 \\ \hline
4-clorobutírico & 4.52 & 5.0 & -0.5 & 4.7 & -0.2 \\ \hline
2-cloropentanoico\tnote{b} & & -2.3 & & 1.0 & \\ \hline
2-clorobutírico & 2.86 & 0.6 & 2.2 & 0.4 & 2.5 \\ \hline
3-clorobutírico & 4.05 & 3.7 & 0.4 & 3.8 & 0.3 \\ \hline
acetoacético & 3.6 & 3.4 & 0.2 & 2.0 & 1.6 \\ \hline
bromoacético & 2.69 & 1.2 & 1.5 & 1.1 & 1.6 \\ \hline
dicloro-acético & 1.41 & -3.2 & 4.6 & -2.5 & 3.9 \\ \hline
iodoacético & 3.12 & 2.1 & 1.1 & 2.8 & 0.3 \\ \hline
L-valina & 2.29 & -1.9 & 4.2 & 2.6 & -0.3 \\ \hline
L-alanina & 2.34 & -1.6 & 3.9 & 2.3 & 0.0 \\ \hline
trichloroacético & 0.7 & -7.0 & 7.7 & -4.7 & 5.4 \\ \hline
2-chloropropanoico & 2.83 & 0.8 & 2.0 & 0.2 & 2.6 \\ \hline
3-chloropropanoico & 3.98 & 3.4 & 0.6 & 5.2 & -1.3 \\ \hline
3-hidroxipropanoico & 4.51 & 3.8 & 0.8 & 3.5 & 1.0 \\ \hline
acético\tnote{a} & 4.75 & ref & ref & ref & ref \\ \hline
fluoroacético & 2.59 & 1.9 & 0.7 & -0.3 & 2.9 \\ \hline
fórmico & 3.75 & 6.4 & -2.6 & 4.3 & -0.6 \\ \hline
pirúvico & 2.39 & -0.3 & 2.7 & 1.3 & 1.1 \\ \hline
glioxílico & 3.18 & 0.3 & 2.9 & 1.0 & 2.2 \\ \hline
propanoico & 4.86 & 4.9 & -0.1 & 4.5 & 0.3 \\ \hline
butanoico & 4.83 & 5.2 & -0.3 & 4.7 & 0.1 \\ \hline
acrílico & 4.25 & 4.6 & -0.3 & 1.5 & 2.7 \\ \hline
láctico & 3.86 & 3.3 & 0.6 & 5.6 & -1.7 \\ \hline
benzoico & 4.2 & 3.7 & 0.5 & 2.2 & 2.0 \\ \hline
\textbf{MAE} & & & 1.8 & & 1.7 \\ \hline
& & & & & \\ \hline
\textbf{Alcoholes} & & & & & \\ \hline
glicerol(doble hidrato) & 14.15 & 11.0 & 3.2 & 14.1 & 0.0 \\ \hline
fenol & 9.99 & 1.2 & 8.8 & 5.9 & 4.1 \\ \hline
etilenglicol & 14.8 & 12.4 & 2.4 & 12.9 & 1.9 \\ \hline
2-metil-1propanol\tnote{b} & & 17.6 & & 20.3 & \\ \hline
fenilmetanol & 15.4 & 15.6 & -0.2 & 14.0 & 1.4 \\ \hline
butanol & 16.1 & 16.1 & 0.0 & 15.2 & 0.9 \\ \hline
metanol & 15.5 & 14.7 & 0.8 & 12.5 & 3.0 \\ \hline
trifluoroetanol & 12.47 & 4.6 & 7.8 & 9.8 & 2.7 \\ \hline
etanol\tnote{a} & 15.9 & ref & ref & ref & ref \\ \hline
n-propanol & 16 & 16.2 & -0.2 & 16.4 & -0.4 \\ \hline
terbutanol & 19.2 & 17.3 & 1.9 & 16.3 & 2.9 \\ \hline
\textbf{MAE} & & & 2.8 & & 1.9 \\ \hline
& & & & & \\ \hline
\textbf{Aminoácidos} & & & & & \\ \hline
L-serina & 2.19 & 1.2 & 1.0 & 0.2 & 2.0 \\ \hline
L-isoleucina & 2.32 & 1.9 & 0.4 & 1.3 & 1.0 \\ \hline
glicina\tnote{a} & 2.35 & ref & ref & ref & ref \\ \hline
L-valina & 2.29 & 1.7 & 0.5 & 2.2 & 0.1 \\ \hline
L-alanina & 2.34 & 2.0 & 0.3 & 1.9 & 0.4 \\ \hline
L-arginina & 1.82 & 1.9 & -0.1 & 1.8 & 0.0 \\ \hline
L-lisina & 2.16 & 4.7 & -2.5 & 3.6 & -1.4 \\ \hline
\textbf{MAE} & & & 0.8 & & 0.8 \\ \hline
\end{tabular}
\begin{tablenotes}
\item[a]{\scriptsize Desprotonación de referencia.}
\item[b] {\scriptsize Sin valor experimental.}
\item {Estimación y comparación de p$Ka$ calculados con RM1 y dos estrategias de solvatación: implícita (COSMO) y explícita-implícita(Solvateshell-COSMO). El $\Delta$p$Ka$ se realizó como $\Delta$p$Ka$=p$Ka_{\textrm{exp}}$-p$Ka_{\textrm{calc}}$. La sigla SS significa Solvateshell.}
\end{tablenotes}
\end{threeparttable}
\end{adjustbox}
\end{table}
\end{document}
Any help to fix it?I don't want to decrease the width but only the length, if it is possible.
\hline
isn't it?