1. Departamento de Física, Facultad de Ciencias Naturales y Exactas, Universidad de Oriente, CP-90500 Santiago de Cuba, Cuba
2. Computational Chemistry Research Group, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
3. Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
4. Chemistry—School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne NE1 7RU, U.K.