Abstract
The crystal structures of two coordination polymers [Ln(IN) 3(H2O)2]n (Ln = Nd 1, Gd 2; IN = isonicotinate) were determined by single-crystal X-ray diffraction and further characterized by IR, elemental analysis and thermogravimetric analysis. Crystal data for 1: monoclinic, space group P21/c, a = 9.6636(5), b = 19.7532(10), c = 11.6183(6) Å, β = 112.032(1)°, V = 2055.83(18) Å3, Z = 4, Dc = 1.766 g/cm3, F(000) = 1076, μ = 2.575 mm-1 and R = 0.0493; Crystal data for 2: monoclinic, space group C2/c, a = 20.251(2), b = 11.6199(11), c = 9.8240(9) Å, β = 115.505(3)°, V = 2086.4(3) Å3, Z = 4, Dc = 1.781 g/cm3, F(000) = 1092, μ = 3.228 mm -1 and R = 0.0695. In the title compounds, the center atoms Ln(III) are in a distorted square antiprismatic geometry and linked by bridging isonicotinate to form an infinite chain. The intermolecular hydrogen bonds lead to the formation of three-dimensional supramolecular structures.
| Original language | English |
|---|---|
| Pages (from-to) | 816-820 |
| Number of pages | 5 |
| Journal | Jiegou Huaxue |
| Volume | 24 |
| Issue number | 7 |
| Publication status | Published - 2005 |
| Externally published | Yes |
Keywords
- Crystal structure
- Hydrothermal synthesis
- Isonicotinate
- Lanthanide