1# 2# Dreiding-based zeolite force field 3# 4# 5begin_definitions 6O * 0. OO 7O 1 * -0.4 O 8O 1 C -0.24 OC 9O 2 * * -0. O2 10O 2 C C -0.3 OB 11O 2 Si Si -0.25 o3z 12O 2 Si Al -0.5 o3z 13O 2 Si P 0 o3z 14O 2 Al P -0.25 o3z 15Si 4 O O O O 0.5 si4z 16Si * 0. Si 17Al * 0. Al 18Al 4 O O O O 0.5 al4z 19P 4 O O O O 0.5 p4= 20P * 0. P 21end_definitions 22# 23# 24