Build a sodium chloride unit cell with the Indigo® 68791W molecular model kit to demonstrate Oh point group symmetry, face-centered cubic packing, and the rock salt crystal structure. Ideal for solid state chemistry, crystallography, materials science, and X-ray diffraction courses.
The Indigo® 68791W NaCl model kit can build a sodium chloride (NaCl) unit cell belongs to the Oh point group and crystallographic space group Fm-3m. It shows cubic symmetry of the face-centered cubic lattice where each sodium ion (Na+) is octahedrally coordinated by six chloride ions (Cl-). This 6:6 coordination geometry can also be seen in other rock salt compounds including galena (PbS), periclase (MgO), and iron(II) oxide (FeO).
Indigo Instruments has held inventory of genuine Cochranes of Oxford (Orbit) parts for 30+ years (See Skeletal (Orbit/Minit)) that are compatible with every molecular model we have sold since day 1. This level of quality may appear expensive but no parts support from other vendors costs even more.
Indigo Instruments has held inventory of genuine Cochranes of Oxford (Orbit) parts for 30+ years (See Skeletal (Orbit/Minit)) that are compatible with every molecular model we have sold since day 1. This level of quality may appear expensive but no parts support from other vendors costs even more.
Tutors & students in chemistry, physics, materials science, geology, and chemical engineering can all use the model. It complements two-dimensional lattice diagrams of face-centered cubic packing, coordination numbers, and ionic radii ratios. Computational chemists can use the Indigo® NaCl model for for density functional theory (DFT) calculations on ionic solids. Materials scientists can use it to understand perovskite, spinel, and fluorite structure types. Courses that cover solid state NMR can appreciate how the cubic symmetry of the NaCl lattice affects electric field gradients at Na+ and Cl- nuclei which influences quadrupolar relaxation and linewidths in 23Na and 35Cl spectra.
NaCl is a face centered cubic unit cell which has four cations and four anions. It has the same structure as: NaCl has a face centered cubic unit cell structure. It is made up of 4 Na+ cations and 4 Cl- anions that occupy sites in a central position, as well as faces, edges and corners.
Note: The model kit has 125 atoms to build a complete model but not enough to make a stand alone unit cell which requires 27 atoms. Extra parts can be bought separately.
An FCC unit cell can also be seen this in the spacefilling version shown in the Unit style model this ball & spoke NaCl unit cell model.
| P/N | Description | QTY |
|---|---|---|
| 68186-30 | Wobbly bond, 30mm, each | 300 |
| 68257C | Atom, Orbit, Cl "l" octahedral, green | 63 |
| 68258C | Atom, Orbit "l", octahedral, grey | 62 |