Molecular Spectroscopy

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The study of the interaction between electromagnetic radiation and molecules, including vibrational and rotational spectra.

Atomic structure: Understanding the composition and arrangement of atoms in molecules is crucial in molecular spectroscopy.
Electromagnetic radiation: A comprehensive understanding of the various properties of electromagnetic radiation, including wavelengths, frequencies, and energy, is essential in deciphering molecular spectra.
Quantum mechanics: Quantum mechanics is the foundation of molecular physics, and it covers the behaviors of matter at atomic and subatomic levels.
Spectroscopic techniques: The proper utilization of different spectroscopic techniques is of utmost importance in molecular spectroscopy.
Vibrational spectroscopy: The study of molecular vibrations, specifically mid-infrared (MIR) spectroscopy and Raman spectroscopy, are essential for molecular identification and detection.
Electronic spectroscopy: The study of electronic transitions in molecules using ultraviolet-visible (UV-Vis) spectroscopy is crucial for understanding the electronic properties of molecules.
Photochemistry: Photochemistry is the study of the chemical reactions initiated by light, and it plays a vital role in understanding the photochemical properties of molecules.
Magnetic resonance spectroscopy: NMR (nuclear magnetic resonance) spectroscopy and ESR (electron spin resonance) spectroscopy provide information on the electronic and magnetic properties of atoms and molecules.
X-ray spectroscopy: X-ray spectroscopy is useful in studying the electronic structure of atoms, and it can provide valuable information on the chemical bonding of molecules.
Computational chemistry: Computational chemistry uses computational methods to model the structures and properties of molecules, and it can help in interpreting molecular spectra.
Molecular dynamics: Modeling the motion and dynamics of molecules provides fundamental insights into molecular properties, and it is useful in the study of biological systems.
Surface-enhanced Raman spectroscopy (SERS): SERS enhances the Raman signal of molecules by several orders of magnitude, making it useful in the study of trace compounds.
Time-resolved spectroscopy: Time-resolved spectroscopy measures the spectra of molecules over short time intervals, providing insights into chemical reactions.
Infrared spectroscopy: Infrared spectroscopy is a powerful molecular spectroscopy technique that detects the rotational-vibrational transitions of molecules.
Mass spectrometry: Mass spectrometry is useful in the characterization and quantification of molecules in complex mixtures, and it plays a vital role in metabolomics and proteomics.
Fourier-transform infrared (FTIR) spectroscopy: FTIR spectroscopy uses a Fourier-transform algorithm to generate high-resolution spectra, and it is a valuable tool for detecting trace amounts of chemicals.
Laser spectroscopy: Laser-based spectroscopy uses lasers to excite and detect molecular transitions, and it has applications in environmental monitoring and medical diagnostics.
Optical spectroscopy: Optical spectroscopy measures the interaction of light with matter, and it is the foundation of molecular spectroscopy.
Inelastic scattering: Inelastic scattering measures the energy loss and gain of molecules following collisions, and it is useful in the study of chemical reactions.
Spectral data analysis: Analyzing the spectra of molecules involves intricate calculations and mathematical models, and it requires experience and expertise to interpret the results correctly.
Infrared (IR) Spectroscopy: This type of spectroscopy measures the absorption or emission of infrared radiation by molecules. It is used to identify functional groups and determine the structure of organic molecules.
Ultraviolet-Visible (UV-Vis) Spectroscopy: UV-Vis spectroscopy measures the absorption or transmission of ultraviolet and visible light by a sample. It is used to determine the concentration of a substance in a solution and to study the electronic transitions of molecules.
Raman Spectroscopy: Raman spectroscopy measures the scattered radiation that results from inelastic scattering of photons by vibrational or rotational transitions in molecules. It is used to identify the chemical composition of a sample and to study its crystal structure.
Nuclear Magnetic Resonance (NMR) Spectroscopy: NMR spectroscopy measures the electromagnetic radiation emitted by atomic nuclei when they are placed in a magnetic field. It is used to determine the structure of molecules, identify functional groups, and study the dynamics of molecular motion.
Electron Spin Resonance (ESR) Spectroscopy: ESR spectroscopy measures the energy absorbed or emitted when unpaired electrons in a sample are placed in a magnetic field. It is used to determine the electronic structure of molecules and to study free radicals and other paramagnetic species.
Mass Spectrometry (MS): MS measures the mass-to-charge ratio of ions in a sample. It is used to determine the molecular weight of a molecule, identify the chemical composition of a sample, and study its fragmentation pattern.
Photoelectron Spectroscopy (PES): PES measures the kinetic energy of electrons ejected from a material when it is illuminated with light of a known wavelength. It is used to determine the electronic structure of molecules and study their bonding and electronic properties.
X-Ray Absorption Spectroscopy (XAS): XAS measures the absorption of X-rays by a sample. It is used to study the electronic and geometric structure of molecules, identify metal sites in proteins and other biomolecules, and study the electronic properties of materials.
- "Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation."
- "Spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum."
- "Spectroscopy, primarily in the electromagnetic spectrum, is a fundamental exploratory tool in the fields of astronomy, chemistry, materials science, and physics."
- "Allowing the composition, physical structure and electronic structure of matter to be investigated at the atomic, molecular and macro scale, and over astronomical distances."
- "Historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism."
- "Current applications of spectroscopy include biomedical spectroscopy in the areas of tissue analysis and medical imaging."
- "Matter waves and acoustic waves can also be considered forms of radiative energy."
- "Recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO)."
- "measures and interprets the electromagnetic spectra"
- "measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation."
- "the precise study of color"
- "physics, allowing the composition, physical structure and electronic structure of matter to be investigated"
- "at the atomic, molecular and macro scale, and over astronomical distances."
- "the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism."
- "biomedical spectroscopy in the areas of tissue analysis"
- "Matter waves and acoustic waves can also be considered forms of radiative energy."
- "Allowing the composition, physical structure and electronic structure of matter to be investigated"
- "Allowing the composition, physical structure and electronic structure of matter to be investigated"
- "recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO)."
- "Spectroscopy is a fundamental exploratory tool."