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What is krypton - hydrogen fluoride
Krypton-Hydrogen Fluoride (Kr-HF) is a unique and highly specialized chemical compound that combines the noble gas krypton with hydrogen fluoride, a potent and reactive acid. This rare combination results in a weakly bound van der Waals complex, where krypton, typically inert, forms a temporary association with the polar HF molecule. Kr-HF is primarily of interest in advanced scientific research, particularly in the fields of spectroscopy and molecular dynamics, where it serves as a model system for studying weak intermolecular interactions and the behavior of noble gases in chemical bonding. Its formation requires precise conditions, making it a fascinating subject for experimental and theoretical chemistry.
Preparation Process: The preparation of krypton-hydrogen fluoride (Kr-HF) involves the following steps: 1. **Purification**: Ensure high-purity krypton (Kr) and hydrogen fluoride (HF) gases are used. Remove impurities via cryogenic distillation or chemical traps. 2. **Cooling**: Cool the gases separately to cryogenic temperatures (below −150°C) to stabilize Kr and HF. 3. **Mixing**: Introduce Kr and HF into a pre-cooled reaction vessel under controlled conditions (e.g., 1:1 molar ratio). 4. **Matrix Isolation**: Co-deposit the gases onto a cold surface (e.g., 10–20 K) in an inert matrix (e.g., solid argon) to form weakly bound Kr-HF van der Waals complexes. 5. **Characterization**: Confirm formation using infrared spectroscopy or X-ray diffraction. (100 words)
Usage Scenarios: Krypton-hydrogen fluoride (Kr-HF) is a van der Waals complex formed through weak interactions between krypton (Kr) and hydrogen fluoride (HF). It is primarily studied in molecular spectroscopy and low-temperature chemistry to understand intermolecular forces, dipole interactions, and rotational-vibrational dynamics. Kr-HF serves as a model system for investigating noble gas-hydrogen halide bonding, providing insights into non-covalent interactions and solvation effects. Its spectroscopic properties help refine theoretical models of weak chemical bonds. Additionally, Kr-HF is used in research on matrix isolation techniques, where it aids in exploring the behavior of trapped species in inert gas matrices. The compound has no significant industrial applications but is valuable in fundamental scientific studies.
krypton - hydrogen fluoride Basic Info
krypton - hydrogen fluoride Price
1. **High-Income Countries (US, Germany, UK, France, Japan, South Korea, Canada):** These nations have strong economies and high import costs due to strong currencies and tariffs. Prices likely range from $100 to $300 per unit.
2. **Emerging Economies (China, India, Brazil, Mexico):** With varying economic strengths and manufacturing capabilities, prices are expected to be mid-range, between $50 and $200 per unit.
3. **Developing Countries (Philippines, Indonesia, Thailand, South Africa, Egypt):** These countries face higher import costs and potential infrastructure challenges, leading to variable pricing, possibly under $100 or in a wide range due to market instability.
4. **Countries with Limited Availability:** Some nations may not have access to the product, resulting in "No results."
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- United States: $100 - $300
- China: $50 - $200
- Russia: No results
- Germany: $100 - $300
- India: $50 - $200
- Japan: $100 - $300
- Brazil: $50 - $200
- South Korea: $100 - $300
- Philippines: No results
- United Kingdom: $100 - $300
- France: $100 - $300
- Mexico: $50 - $200
- Canada: $100 - $300
- South Africa: No results
- Egypt: No results
- Turkey: $100 - $300
- Thailand: No results
- Indonesia: No results
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