From owner-chemistry@ccl.net Tue Jun 9 16:01:00 2020 From: "Ibtesam Mohammed Desoky girl51115++yahoo.com" To: CCL Subject: CCL: conformation analysis Message-Id: <-54089-200609155642-7110-hGNCi7702wDtR6cqIKL2vA]![server.ccl.net> X-Original-From: "Ibtesam Mohammed Desoky" Date: Tue, 9 Jun 2020 15:56:41 -0400 Sent to CCL by: "Ibtesam Mohammed Desoky" [girl51115!^!yahoo.com] Dear all, I have used PCModel v 9.30 to perform conformation analysis for an ammonium salt that containing iodide but this error appeared can anyone tell me what the solution, please parameters missing. See pcmod.err for information and the error file is Specific Angle parameters missing for angle 71-29-73, types: 8-1-6 Specific Angle parameters missing for angle 71-30-72, types: 8-1-6 Specific Angle parameters missing for angle 75-31-76, types: 6-1-8 Specific Angle parameters missing for angle 74-32-76, types: 6-1-8 Torsion constants missing: angle: 29 71 30 72 types: 1 8 1 6 Torsion constants missing: angle: 30 71 29 73 types: 1 8 1 6 Torsion constants missing: angle: 31 76 32 74 types: 1 8 1 6 Torsion constants missing: angle: 32 76 31 75 types: 1 8 1 6 Torsion constants missing: angle: 33 76 31 75 types: 1 8 1 6 Torsion constants missing: angle: 33 76 32 74 types: 1 8 1 6 Torsion constants missing: angle: 39 71 29 73 types: 1 8 1 6 Torsion constants missing: angle: 39 71 30 72 types: 1 8 1 6 Best regards, Ibtesam