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LiCu3(CO3)3 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to five O2- atoms to form distorted LiO5 trigonal bipyramids that share corners with two equivalent CuO4 tetrahedra and edges with two equivalent LiO5 trigonal bipyramids. There are a spread of Li–O bond distances ranging from 1.99–2.23 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.00–2.25 Å. In the third Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.00–2.28 Å. There are nine inequivalent Cu+1.67+ sites. In the first Cu+1.67+ site, Cu+1.67+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.88–2.40 Å. In the second Cu+1.67+ site, Cu+1.67+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.94–2.59 Å. In the third Cu+1.67+ site, Cu+1.67+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.93–2.55 Å. In the fourth Cu+1.67+ site, Cu+1.67+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.90–2.17 Å. In the fifth Cu+1.67+ site, Cu+1.67+ is bonded to four O2- atoms to form corner-sharing CuO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.92–2.21 Å. In the sixth Cu+1.67+ site, Cu+1.67+ is bonded to four O2- atoms to form distorted CuO4 tetrahedra that share corners with two equivalent CuO4 tetrahedra and corners with two equivalent LiO5 trigonal bipyramids. There are a spread of Cu–O bond distances ranging from 1.94–2.23 Å. In the seventh Cu+1.67+ site, Cu+1.67+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.96–2.19 Å. In the eighth Cu+1.67+ site, Cu+1.67+ is bonded to four O2- atoms to form distorted corner-sharing CuO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.94–2.13 Å. In the ninth Cu+1.67+ site, Cu+1.67+ is bonded to four O2- atoms to form corner-sharing CuO4 tetrahedra. There are a spread of Cu–O bond distances ranging from 1.89–2.26 Å. There are nine inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.28 Å) and one longer (1.32 Å) C–O bond length. In the second C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.27–1.31 Å. In the third C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.27–1.33 Å. In the fourth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.27–1.33 Å. In the fifth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.29–1.31 Å. In the sixth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.28–1.33 Å. In the seventh C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.28 Å) and one longer (1.32 Å) C–O bond length. In the eighth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.28 Å) and one longer (1.32 Å) C–O bond length. In the ninth C4+ site, C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.28–1.32 Å. There are twenty-seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to two Cu+1.67+ and one C4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two equivalent Cu+1.67+, and one C4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Cu+1.67+ and one C4+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Cu+1.67+ and one C4+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Li1+, one Cu+1.67+, and one C4+ atom. In the eighth O2- site, O2- is bonded to two equivalent Li1+, one Cu+1.67+, and one C4+ atom to form distorted OLi2CuC tetrahedra that share corners with six OLiCu2C tetrahedra and an edgeedge with one OLi2CuC tetrahedra. In the ninth O2- site, O2- is bonded to two equivalent Li1+, one Cu+1.67+, and one C4+ atom to form distorted corner-sharing OLi2CuC tetrahedra. In the tenth O2- site, O2- is bonded to two equivalent Li1+, one Cu+1.67+, and one C4+ atom to form distorted OLi2CuC tetrahedra that share corners with six OLiCu2C tetrahedra and an edgeedge with one OLi2CuC tetrahedra. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to two Cu+1.67+ and one C4+ atom. In the twelfth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu+1.67+ and one C4+ atom. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu+1.67+ and one C4+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Cu+1.67+ and one C4+ atom. In the eighteenth O2- site, O2- is bonded to one Li1+, two equivalent Cu+1.67+, and one C4+ atom to form distorted corner-sharing OLiCu2C tetrahedra. In the nineteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu+1.67+ and one C4+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the twenty-first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the twenty-second O2- site, O2- is bonded to two equivalent Li1+, one Cu+1.67+, and one C4+ atom to form distorted OLi2CuC tetrahedra that share corners with six OLiCu2C tetrahedra and an edgeedge with one OLi2CuC tetrahedra. In the twenty-third O2- site, O2- is bonded in a distorted water-like geometry to one Cu+1.67+ and one C4+ atom. In the twenty-fourth O2- site, O2- is bonded to two equivalent Li1+, one Cu+1.67+, and one C4+ atom to form distorted OLi2CuC tetrahedra that share corners with six OLiCu2C tetrahedra and an edgeedge with one OLi2CuC tetrahedra. In the twenty-fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Cu+1.67+ and one C4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Cu+1.67+ and one C4+ atom. In the twenty-seventh O2- site, O2- is bonded to one Li1+, two equivalent Cu+1.67+, and one C4+ atom to form distorted corner-sharing OLiCu2C tetrahedra.

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