Engineering Papers⌕ Search

DOE OSTI · 1759410

Materials Data on PH30Pt2C10I2NCl2 by Materials Project

Abstract

Pt2C9PNH28I2CH2Cl2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four dichloromethane molecules and four Pt2C9PNH28I2 clusters. In each Pt2C9PNH28I2 cluster, there are two inequivalent Pt2- sites. In the first Pt2- site, Pt2- is bonded to three C+2.40-, one N3-, and two I1- atoms to form distorted PtC3I2N octahedra that share a cornercorner with one PC3N tetrahedra and a faceface with one PtC3I2N octahedra. There are one shorter (2.06 Å) and two longer (2.07 Å) Pt–C bond lengths. The Pt–N bond length is 2.37 Å. There are one shorter (2.84 Å) and one longer (2.86 Å) Pt–I bond lengths. In the second Pt2- site, Pt2- is bonded to three C+2.40-, one N3-, and two I1- atoms to form distorted PtC3I2N octahedra that share a cornercorner with one PC3N tetrahedra and a faceface with one PtC3I2N octahedra. There are one shorter (2.06 Å) and two longer (2.07 Å) Pt–C bond lengths. The Pt–N bond length is 2.36 Å. There are one shorter (2.83 Å) and one longer (2.86 Å) Pt–I bond lengths. There are nine inequivalent C+2.40- sites. In the first C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the second C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. All C–H bond lengths are 1.10 Å. In the third C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. All C–H bond lengths are 1.10 Å. In the fourth C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. All C–H bond lengths are 1.10 Å. In the fifth C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. All C–H bond lengths are 1.10 Å. In the sixth C+2.40- site, C+2.40- is bonded in a distorted trigonal non-coplanar geometry to one Pt2- and three H1+ atoms. All C–H bond lengths are 1.10 Å. In the seventh C+2.40- site, C+2.40- is bonded to one P5+ and three H1+ atoms to form distorted corner-sharing CPH3 tetrahedra. The C–P bond length is 1.80 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. In the eighth C+2.40- site, C+2.40- is bonded to one P5+ and three H1+ atoms to form distorted corner-sharing CPH3 tetrahedra. The C–P bond length is 1.80 Å. All C–H bond lengths are 1.10 Å. In the ninth C+2.40- site, C+2.40- is bonded to one P5+ and three H1+ atoms to form distorted corner-sharing CPH3 tetrahedra. The C–P bond length is 1.80 Å. There is one shorter (1.09 Å) and two longer (1.10 Å) C–H bond length. P5+ is bonded to three C+2.40- and one N3- atom to form PC3N tetrahedra that share corners with two PtC3I2N octahedra. The corner-sharing octahedra tilt angles range from 53–55°. The P–N bond length is 1.65 Å. N3- is bonded in a 2-coordinate geometry to two Pt2-, one P5+, and one H1+ atom. The N–H bond length is 1.03 Å. There are twenty-eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the nineteenth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twentieth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-first H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-second H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-third H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-fourth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-fifth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-sixth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-seventh H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. In the twenty-eighth H1+ site, H1+ is bonded in a single-bond geometry to one C+2.40- atom. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two Pt2- atoms. In the second I1- site, I1- is bonded in a distorted L-shaped geometry to two Pt2- atoms.

Explore related subjects

Keep this discovery

Explore connections, maps & timelines

BibTeXRIS

2020-09-03. Materials Data on PH30Pt2C10I2NCl2 by Materials Project. https://doi.org/10.17188/1759410

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related reports

Cyclic moisture reactivation of calcium sorbents for long duration thermochemical energy storage

The transition to a flexible and reliable energy infrastructure, using electro-thermal energy generation technologies such as geothermal, concentrated solar power, and nuclear, usually demands simultaneous advancement of thermal energy storage (TES) to support on-demand electricity generation and industrial applications while mitigating the inherent intermittency of renewable energy sources and power outages from direct energy generation. Among TES technologies, thermochemical energy storage (TCES) based on calcium looping emerges as a compelling high-power energy storage candidate due to its high reaction enthalpy, compatibility with elevated operating temperatures, and abundance of low-cost materials. However, the long-term durability of calcium-based sorbents for TCES is hindered by surface sintering and particle aggregation, leading to performance degradation over repeated thermal cycles. This study explores a moisture hydration-based strategy to regenerate a degraded calcium sorbent and mitigate performance degradation for long duration TCES. The addition of moisture transforms calcium oxide into calcium hydroxide and produces intercalation water layers, associated with a regenerated surface area and reduced calcium oxide crystallite size. Both these effects are beneficial in restoring the sorbents' reactivity for carbonization. Additionally, an optimized hydration-assisted reactivation protocol balances the recovered energy storage capacity with heating penalty required for moisture removal from hydrated samples, resulting in an enhanced energy storage capacity up to 176% compared to benchmark sorbents that undergo cycling without reactivation after 60 cycles. In conclusion, these results highlight the potential of hydration-assisted reactivation to enhance the long-term performance of TCES, providing an effective pathway to advancing electro-thermal storage technologies.

36 MATERIALS SCIENCE↗