Please help.Any type of help would be nice.

1.Explain the spectrum of 1-methylstyrene.
2.Explain the gaseous and solid state PCl5 from its IR and Raman spectra.

You need to post or give a link to the spectrums for anyone to be any type of assistance.

Thanks for the answer. I don't have the spectras.I've been looking for their spectras (any type) for weeks.I need any type of explanations or interpretations even if someone has his/her spectra of PCl5 and/or 1-methylstyrene

Maybe you are being asked to describe what you are expected to see from spectrums for the two. If that is the case, IR is only really useful for looking for compounds with OH groups, carboxylic acids, amines, and compounds with conjugation. When using IR in the research labs that I worked in, I only used it for the following, and used H NMR for everything else I was looking to identify. With that being said, you should be able to provide a lot of data of what you may expect to see for the first compound that you name.

Scratch that, PCL5 doesn't contain a hydrogen, so I wouldn't use H NMR.

Of course, I'm here to help you! Let's start by answering your questions step by step.

1. Explaining the spectrum of 1-methylstyrene:
To understand the spectrum of 1-methylstyrene, we need to know that it belongs to the class of organic compounds called styrenes. The spectrum of 1-methylstyrene refers to the range of electromagnetic radiation (usually in the infrared or ultraviolet region) that is absorbed or emitted by the compound.

The best way to analyze the spectrum of 1-methylstyrene is to refer to experimental data or spectroscopic analysis techniques. Here's how you can get more information about the spectrum of 1-methylstyrene:

a) Experimental data: Look for existing experimental data obtained using various spectroscopic methods such as IR (infrared spectroscopy) or NMR (nuclear magnetic resonance). These techniques provide information about the molecular vibrations and structures of the compound, which can be used to interpret and analyze its spectrum.

b) Spectral databases: Access online spectral databases, such as NIST Webbook or SDBS (Spectral Database for Organic Compounds), which contain a vast collection of spectral data for various compounds. Search for the specific spectrum of 1-methylstyrene to find information about its absorption or emission bands, frequencies, and corresponding molecular vibrations.

c) Spectral analysis software: You can use software programs like ChemDraw or Gaussian to simulate the spectrum of 1-methylstyrene based on its molecular structure and vibrational frequencies. These programs use computational methods to predict and simulate spectroscopic data.

2. Explaining the gaseous and solid state PCl5 from its IR and Raman spectra:
To understand the properties of gaseous and solid state PCl5 (phosphorus pentachloride) from its IR (infrared) and Raman spectra, we need to know that IR and Raman spectroscopy provide information about molecular vibrations, rotational and vibrational transitions, and structural properties of compounds.

To analyze the IR and Raman spectra of gaseous and solid state PCl5, follow these steps:

a) Experimental data: Look for existing experimental data obtained using IR or Raman spectroscopy for both gaseous and solid PCl5. Analyze the spectra to identify absorption or scattering bands and their corresponding frequencies. These bands correspond to the vibrational modes of PCl5 molecules and can provide insights into the compound's structure and intermolecular interactions.

b) Analysis of spectral features: For both IR and Raman spectra, observe the presence and position of characteristic peaks. Analyze the pattern of peaks to identify specific vibrational modes and determine the symmetry of the molecule or crystal lattice.

c) Compare the spectra: Compare the IR and Raman spectra of gaseous and solid PCl5 to understand the changes in vibrational frequencies and intensities. In solid-state, the crystal lattice and intermolecular forces can affect the molecular vibrations and cause shifts in absorption or scattering frequencies compared to the gaseous state.

By analyzing the spectra, you can gain insights into the molecular structure, bonding, and physical properties of PCl5 in both gaseous and solid forms.

Remember, the interpretation of spectra is a complex process, and it's always useful to refer to scholarly articles, textbooks, or consult experts in the field for a more comprehensive understanding.