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Three fractions locating an atom in a cell.
Also known as: xyz cell coordinates, Relative atomic position
The notation giving an atom's position as three fractions of the unit cell edges rather than as a distance.
Gives an atom's position as three fractions of the unit cell edges.
Contexts: Laboratory
Is independent of the cell's actual size, so a structure's coordinates remain valid when the same compound is measured at a different temperature and the cell has expanded.
Contexts: Laboratory
Three decimal figures written in a row, each lying between zero and one and each measured along one edge of the drawn cell.