Table 7 Bond and dihedral angles of the benzimidazole compounds

C⁸C¹⁰C¹²

109.668

110.798

110.682

111.723

111.686

110.467

C⁸C¹⁰O¹¹

108.911

108.962

111.489

108.316

108.338

109.028

N⁷C¹⁴N¹⁵

111.508

111.566

112.662

110.528

110.507

112.093

N⁷C⁸C¹⁰C¹²

− 95.951

− 150.864

− 161.515

157.901

− 157.392

77.533

N⁹C⁸C¹⁰C¹²

81.831

34.525

21.463

− 29.587

30.127

99.982

N⁷C⁸C¹⁰O¹¹

142.003

86.402

− 40.111

− 29.587

79.257

161.069

N⁷C¹⁴N¹⁵C¹⁶

− 173.275

111.566

− 50.042

− 178.827

177.665

–

C¹⁴N¹⁵C¹⁶C¹⁷

177.597

177.202

− 22.117

168.667

− 168.389

–

C¹⁶C¹⁷N¹⁸C¹⁹

177.057

–

–

–

–

–

C¹⁷C¹⁶N¹⁵C²¹

–

− 20.795

–

–

C¹⁸C¹⁹NO

–

–

–

− 179.820

–

–

C¹⁸C¹⁹CO

–

–

–

–

20.368

–