16
B20    
 C -0.178629 1.85323 0.598602
 H 0.280378 2.381063 1.43295
 O 0.181623 2.594935 -0.564276
 C 0.31475 0.411438 0.560954
 H 1.402406 0.417851 0.449859
 H 0.081451 -0.044238 1.52763
 C -0.31475 -0.411438 -0.560954
 H -0.081451 0.044238 -1.52763
 H -1.402406 -0.417851 -0.449859
 H -0.368714 2.287393 -1.288297
 H -1.263031 1.872125 0.750056
 C 0.178629 -1.85323 -0.598602
 H -0.280378 -2.381063 -1.43295
 H 1.263031 -1.872125 -0.750056
 O -0.181623 -2.594935 0.564276
 H 0.368714 -2.287393 1.288297
