diff --git a/README.md b/README.md
index 64db10d..34547c2 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libmsym
 
+libmsym is a C library dealing with point group symmetry in molecules.
+
diff --git a/libmsym.spec b/libmsym.spec
new file mode 100644
index 0000000..1a203b3
--- /dev/null
+++ b/libmsym.spec
@@ -0,0 +1,69 @@
+Name:          libmsym
+Version:       0.2.3
+Release:       1mamba
+Summary:       A C library dealing with point group symmetry in molecules
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/mcodev31/libmsym
+Source:        https://github.com/mcodev31/libmsym.git/v%{version}/libmsym-%{version}.tar.bz2
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+Obsoletes:     avogadro <= 1.2.0-2mamba
+Obsoletes:     libavogadro <= 1.2.0-2mamba
+BuildRequires: cmake
+
+%description
+libmsym is a C library dealing with point group symmetry in molecules.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Obsoletes:     libavogadro-devel <= 1.2.0-2mamba
+
+%description devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake \
+   -DINSTALL_LIB_DIR=%{_libdir} \
+   -DINSTALL_CMAKE_DIR=%{_libdir}/cmake/libmsym
+
+%cmake_build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%cmake_install
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libmsym.so.*
+%doc LICENSE
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/libmsym
+%{_includedir}/libmsym/*
+%{_libdir}/libmsym.so
+%dir %{_libdir}/cmake/libmsym
+%{_libdir}/cmake/libmsym/libmsym*.cmake
+%doc README.md
+
+%changelog
+* Thu May 09 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.2.3-1mamba
+- package created using the webbuild interface