%0 Conference Proceedings %T Analysis of hydrogen bond directionality in phosphoric triamides %A Taherzadeh, Maryam %A Pourayoubi, Mehrdad %A M. Nečas %A Shoghpour Bayraq, Samad %A H. Amiri Rudbari %A G. Bruno %A T. Mancilla Percino %A M. A. Leyva Ramírez %J 24th Congress and General Assembly of the International Union Of Crystallography %D 2017