Research Article

Synthesis, Crystal Structure, and Hirshfeld Surface Analysis of Ciprofloxacin-Salicylic Acid Molecular Salt

Table 2

Geometrical parameters.
(a) Selected bond lengths (Å), bond angles (°), and torsion angles (°)

F1–C21.3619(13) N1–C161.488(2)
O1–C101.215(2)N1–C151.483(2)
O2–C101.3318(19)N2–C11.3857(16)
O3–C51.2635(16)N2–C141.4645(18)
O4–C181.249(2)N2–C171.4786(19)
O5–C181.264(2)N3–C111.4589(17)
O6–C241.346(2)N3–C71.3484(17)
O7–O81.045(4)N3–C81.4085(16)

C15–N1–C16110.77(11)N3–C8–C9120.21(11)
C14–N2–C17111.31(11)O2–C10–C6115.56(13)
C1–N2–C14118.30(11)O1–C10–C6123.16(13)
C1–N2–C17120.91(11)O1–C10–O2121.28(13)
C7–N3–C11120.32(11)N3–C11–C13118.98(12)
C7–N3–C8119.30(11)N3–C11–C12118.65(12)
C8–N3–C11120.29(10)N2–C14–C15111.16(12)
N2–C1–C9122.20(12)N1–C15–C14111.17(12)
N2–C1–C2121.91(12)N1–C16–C17109.93(13)
F1–C2–C1119.16(11)N2–C17–C16109.68(12)
F1–C2–C3117.41(12)O4–C18–C19118.77(15)
O3–C5–C4121.59(12)O5–C18–C19119.49(13)
O3–C5–C6123.06(12)O4–C18–O5121.72(16)
N3–C7–C6124.37(13)O6–C24–C23118.18(18)
N3–C8–C4118.97(11)O6–C24–C19121.39(17)

C1–N2–C14–C15157.17(12)C7–N3–C8–C9178.24(11)
C10–C6–C7–N3179.51(12)N3–C8–C9–C1176.34(11)

(b) Hydrogen bonding interactions

InteractionD–H/ÅHA/ÅDA/Å<D–HA/°

O6–H60O40.96(2)1.64(2)2.357(3)152.5(19)
N1–H100 0.976(14)2.473(15)3.105(2)122.2(11)
N1–H100 0.976(14)1.755(14)2.722(18)170.8(13)
N1–H101 0.943(15)1.873(15)2.803(3)168.1(15)
N1–H101 0.943(15)1.849(15)2.740(3)156.5(15)
O2–H201O30.931.67(2)2.562(16) 161.6(19)
C7–H7O10.952.4802.811(18)101.0
C12–H121 0.952.5303.479(2)174.0
C15–H121 0.952.5903.395(18)143.0
C16–H162 0.952.4903.371(2)154.0
C17–H171F10.952.1702.862(2)129.0

Symmetry codes: (i) , , (ii) , , (iii) , , (iv) , , (v) , , .