The structure of Ni3V2O8 was studied using X-ray diffraction at temperatures of 299 and 1323 K. No phase transition at high temperature is observed. The variation in V—O bond length is small as compared with the Ni—O bond due to its high rigidity.

Nickel orthovanadate is a promising material with potential applications in energy storage and photocatalytic devices. The crystal structure of Ni3V2O8 at 299 (3) K and 1323 (8) K was studied using X-ray powder diffraction. The sample was a single-phase orthorhombic kagome-staircase-Ni3(VO4)2-type structure (space group Cmca) at both temperatures. The phase purity and morphology was studied using energy-dispersive X-ray spectroscopy and scanning electron microscopy. The refined unit-cell parameters at 299 (3) K are a = 5.93384 (4) Å, b = 11.38318 (7) Å and c = 8.23818 (5) Å, and at 1323 (8) K are a = 6.02077 (7) Å, b = 11.48838 (7) Å and c = 8.32611 (9) Å. The obtained results indicate thermal expansion anisotropy, with a largest expansivity along a. Variations in Ni—O and V—O bonds with temperature are observed. The variation in the Ni—O bond is about one order higher in magnitude than that of the V—O bond, signifying the high rigidity of V—O bonds. The unit-cell size variations with rising effective ionic volume of the divalent A ion in the A3B2O8 family [A = Ni, Mg, Zn, Co, Mn (experimental data) and also A = Cu, Cd (theoretical data), B = V or As] are analyzed. Based on experimental and theoretical data, trends within the family are observed and the unit-cell size for reported solid solution of nickel (87%) and copper (13%) mixture in (Ni1–xCux)3V2O8 are predicted. Predictions are also provided for some hypothetical A3B2O8 ternary compound and solid solutions.

The crystal structure of the title 2:1 mol­ecular complex between 2-(allyl­thio)­pyridine and 1,2,4,5-tetra­fluoro-3,6-di­iodo­benzene, C6F4I2·2C8H9NS, at 100 K has been determined in the monoclinic space group P21/c. The most noteworthy characteristic of the complex is the halogen bond between iodine and the pyridine ring with a short N⋯I contact [2.8628 (12) Å]. The Hirshfeld surface analysis shows that the hydrogen⋯hydrogen contacts dominate the crystal packing with a contribution of 32.1%.

The title complex, (1,4,7,10,13,16-hexa­oxa­cyclo­octa­decane-1κ6O)(μ-oxalato-1κ2O1,O2:2κ2O1',O2')triphenyl-2κ3C-potassium(I)tin(IV), [KSn(C6H5)3(C2O4)(C12H24O6)] or K[18-Crown-6][(C6H5)3SnO4C2], was synthesized. The complex consists of a potassium cation coordinated to the six oxygen atoms of a crown ether mol­ecule and the two oxygen atoms of the oxalatotri­phenyl­stannate anion. It crystallizes in the monoclinic crystal system within the space group P21. The tin atom is coordinated by one chelating oxalate ligand and three phenyl groups, forming a cis-trigonal–bipyramidal geometry around the tin atom. The cations and anions form ion pairs, linked through carbonyl coordination to the potassium atoms. The crystal structure features C—H⋯O hydrogen bonds between the oxygen atoms of the oxalate group and the hydrogen atoms of the phenyl groups, resulting in an infinite chain structure extending along a-axis direction. The primary inter-chain inter­actions are van der Waals forces.

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Event Begins: Wednesday, November 13, 2024 10:00am
Location:
Organized By: University Career Center

Come learn about Federal Employment at Region 8 (Denver), Region 9 (San Francisco), and Region 10 (Seattle) of the EPA! Entry level, early and mid-career professionals are all welcome to attend.Ourwork at EPA has purpose and impact. From tackling the climate crisis to advancing environmental justice, what happens here changes our world. Our mission is to protect human health and safeguard the environment – the air, water, and land upon which life depends.At EPA,you can make a real difference for the environment and the lives of others.Participants have the opportunity to learn about EPA’s mission, how to navigate USA-Jobs and creating a federal resume. There will be panel discussion to provide a glimpse into variety of careers within the EPA.This event begins at 10:00 AM Mountain Time (11:00 AM Central Time, 12:00 PM Eastern Time, 9:00 AM Pacific Time.)No pre-registration required!  Just click on the link a few minutes before the event and you’ll bedirected to the MS Teams site.For more information or to request accommodations, please contact mutter.andrew@epa.gov, verges.michelle@epa.gov, or weber.camille@epa.gov

Event Begins: Wednesday, November 13, 2024 9:00am
Location: Taubman Biomedical Science Research Building
Organized By: Center for Cell Plasticity and Organ Design

The Center for Cell Plasticity and Organ Design (CPOD) is excited to announce our 14th International Symposium and Poster Session to be held on Wednesday, November 13th at the Biomedical Science Research Building Kahn Auditorium. The Symposium is an all-day event that begins with an international virtual speaker session held during the morning. The remainder of the day is filled with a series of in-person speaker sessions, a poster session and a poster award ceremony, followed by a reception.

We invite you to register for this year’s symposium by using our online registration form. The deadline to register is October 28, 2024 by 11:59pm.

We also invite you to submit an abstract by using our online abstract submission form. The submission deadline is October 28, 2024 by 11:59pm.

All submitted abstracts will be reviewed by the CPOD Poster Session Committee. If selected, each poster will be judged with a poster award ceremony held at the end of the Symposium. Poster presenters will be notified they have been selected by late October. Display space is limited, and we want to hear about your research, so submit your abstract today!

For assistance with or questions about registration and abstract submissions, contact us at CPOD-contact@umich.edu.

Sign up at CPOD-friends-requests@umich.edu to receive updates from CPOD for updates about the 14th International Symposium and Poster Session and upcoming CPOD seminar events.

(For our story on this year's Nobel in Economics, check out our daily show, The Indicator!)

Let's face it. Economics is filled with terms that don't always make sense to the average person. Terms that sometimes mean what you think they mean, but sometimes not at all. Not even close.

We surveyed 188 economists. And we asked them: What are the most misunderstood terms in the field of economics?

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The U.S. Space Force said on Wednesday that it has added five companies to the U.S. Space Command Combined Space Operations Center’s (CSpOC) Commercial Integration Cell (CIC) at Vandenberg Space […]

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The USDCAD has backed backs off from ceiling area again. That area comes between 1.3945 and 1.3958.

The subsequent move to the downside has the pair heading toward 200 and 100-hour MA support targets at 1.39054 and 1.3898 respectively (green and blue lines on the chart below). A move below that level would target the rising 100 bar moving average on the 4-hour chart at 1.38784. Last week the price fell below that moving average line on two separate occasions only to fail and bounce back to the upside.

If the price were to get above the ceiling area, the 2022 high price comes in at 1.3977. Get above that and the price is trading at the highest level since 2020.

USDCAD Summary

The USDCAD is trending upward, approaching a key swing area between 1.3945-1.39581.

Key Levels:

Resistance

• 1.3945 to 1.3958. Swing highs over the last 7 trading days (from swing highs from Oct 31, Nov 1, 6, and 7.

• 1.3977 (2022 high)

Support

• 1.3905 - 200-hour MA)

• 1.3898 Rising 100-hour MA

Outlook:

• Break above 1.3977 targets highest level since 2020.

• Move below 1.3905 and rising 100-hour MA favors sellers.

• Otherwise, buyers maintain control, pushing for new highs.

Commercial Changes / Commercial viability

Commercial Changes / Commercial viability

Commercial Changes / Commercial viability

Commercial Changes / Commercial viability

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