**8. Refinement**

Crystal data, data collection and structure refinement details are summarized in **Table 5**. H atoms were placed at calculated positions with C▬H = 0.93 Å (aromatic


**Table 5.** *Experimental details.*

the H atoms. **Figure 7** shows the presence of a hydrogen-bonding interaction

On a Perkin-Elmer spectrometer, infrared spectra were recorded at room tem-

. The compound was crystallized by dissolving the 1–10 phenanthroline hydrate (1 g) in mixture solution of ethanol-water (V/V = 1:1). The solution was preserved at room temperature under agitation during 4 h. After a slow evaporation in the

between N1B and H11W.

*MEP surface diagram of part B.*

perature in an interval of 500–4000 cm<sup>1</sup>

interior of 2 days, transparent prism crystals were obtained.

**6. Crystallization**

**Figure 6.**

*Electron Crystallography*

**Figure 7.**

**84**

*Frontier molecular orbital diagram of part B.*

H atoms) and refined in riding mode with Uiso(H) = 1.2Ueq(C). The O-bound H atoms were located in a Fourier map and refined with O▬H restraint of 0.85 (1)Å (Uiso(H) = 1.5Ueq(O)).

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