As per https://jarvis-tools.readthedocs.io/en/master/_modules/jarvis/ai/descriptors/cfid.html, voro_coord is the Voronoi coordination number of an elemental crystal structure. According to https://github.com/usnistgov/jarvis/blob/master/jarvis/core/Elements.json, the values of this descriptor for Ni and Ti are 12 and 9, respectively. How is it calculated?
As per https://jarvis-tools.readthedocs.io/en/master/_modules/jarvis/ai/descriptors/cfid.html, voro_coord is the Voronoi coordination number of an elemental crystal structure. According to https://github.com/usnistgov/jarvis/blob/master/jarvis/core/Elements.json, the values of this descriptor for Ni and Ti are 12 and 9, respectively. How is it calculated?