Materials Data on Sr4LaMn5O13 by Materials Project
Sr4LaMn5O13 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.58–2.96 Å. In the second Sr2+ site, Sr2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.63–2.96 Å. In the third Sr2+ site, Sr2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Sr–O bond distances ranging from 2.63–2.87 Å. In the fourth Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form distorted SrO12 cuboctahedra that share faces with two equivalent SrO12 cuboctahedra, faces with four MnO5 square pyramids, and faces with four MnO5 trigonal bipyramids. There are a spread of Sr–O bond distances ranging from 2.79–3.14 Å. La3+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of La–O bond distances ranging from 2.55–2.78 Å. There are five inequivalent Mn3+ sites. In the first Mn3+ site, Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with two MnO5 square pyramids, and corners with two MnO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 6°. There are a spread of Mn–O bond distances ranging from 1.95–2.11 Å. In the second Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 square pyramids that share a cornercorner with one MnO6 octahedra, corners with two equivalent MnO5 square pyramids, corners with two MnO5 trigonal bipyramids, and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 11°. There are a spread of Mn–O bond distances ranging from 1.92–2.07 Å. In the third Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 square pyramids that share a cornercorner with one MnO6 octahedra, corners with two equivalent MnO5 square pyramids, corners with two MnO5 trigonal bipyramids, and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 18°. There are a spread of Mn–O bond distances ranging from 1.95–2.06 Å. In the fourth Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share a cornercorner with one MnO6 octahedra, corners with two MnO5 square pyramids, corners with two equivalent MnO5 trigonal bipyramids, and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 22°. There are a spread of Mn–O bond distances ranging from 1.91–2.06 Å. In the fifth Mn3+ site, Mn3+ is bonded to five O2- atoms to form MnO5 trigonal bipyramids that share a cornercorner with one MnO6 octahedra, corners with two MnO5 square pyramids, corners with two equivalent MnO5 trigonal bipyramids, and faces with two equivalent SrO12 cuboctahedra. The corner-sharing octahedral tilt angles are 15°. There are a spread of Mn–O bond distances ranging from 1.93–2.06 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two Mn3+ atoms. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Mn3+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Mn3+ atoms. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two Mn3+ atoms. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to three Sr2+, one La3+, and two equivalent Mn3+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to three Sr2+, one La3+, and two equivalent Mn3+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to three Sr2+, one La3+, and two equivalent Mn3+ atoms. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to four Sr2+ and two equivalent Mn3+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+, two equivalent La3+, and two Mn3+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to four Sr2+ and two Mn3+ atoms. In the eleventh O2- site, O2- is bonded to four Sr2+ and two Mn3+ atoms to form a mixture of distorted edge and corner-sharing OSr4Mn2 octahedra. The corner-sharing octahedra tilt angles range from 2–57°. In the twelfth O2- site, O2- is bonded to four Sr2+ and two Mn3+ atoms to form a mixture of distorted edge and corner-sharing OSr4Mn2 octahedra. The corner-sharing octahedra tilt angles range from 2–55°. In the thirteenth O2- site, O2- is bonded to three Sr2+, one La3+, and two equivalent Mn3+ atoms to form distorted corner-sharing OSr3LaMn2 octahedra. The corner-sharing octahedra tilt angles range from 6–57°.