diff --git a/libmsym/PKGBUILD b/libmsym/PKGBUILD
new file mode 100644
index 000000000..f92b479a7
--- /dev/null
+++ b/libmsym/PKGBUILD
@@ -0,0 +1,36 @@
+# Maintainer: Antonio Rojas <arojas@archlinux.org>
+
+pkgname=libmsym
+pkgver=0.2.3
+pkgrel=1
+pkgdesc="Molecular point group symmetry lib"
+arch=(x86_64)
+url="http://www.openchemistry.org/"
+license=(MIT)
+depends=(glibc)
+makedepends=(cmake python)
+optdepends=('python: Python bindings')
+source=($pkgname-$pkgver.tar.gz::"https://github.com/mcodev31/libmsym/archive/v$pkgver-paper.tar.gz")
+sha256sums=('3741ebe163cf40696570d6b62e4834ca587d43dcac9de713994cc5e2960fb8fd')
+
+prepare() {
+  mkdir -p build
+}
+
+build() {
+  cd build
+  cmake ../$pkgname-$pkgver-paper \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DBUILD_SHARED_LIBS=ON \
+    -DPYTHON=/usr/bin/python3 \
+    -DMSYM_BUILD_PYTHON=ON \
+    -DMSYM_PYTHON_INSTALL_OPTS=--root="$pkgdir"
+  make
+}
+
+package() {
+  cd build
+  make DESTDIR="$pkgdir" install
+
+  install -Dm644 "$srcdir"/$pkgname-$pkgver-paper/LICENSE -t "$pkgdir"/usr/share/licenses/$pkgname
+}