A Study On Molecular Studies

The goal of this experiment is to study the most precise way of measuring molecular bond lengths and introduction to computational software used for studying molecular properties. This is of interest in that the instrument to being used, a Fourier-transform infrared (FT-IR) spectrometer, can measure the vibrational and rotational transitions of the fundamental and first overtone of CO. Through this experiment the objective is to collect data from the aforementioned instrument in order to determine vibrational and rotational spectroscopic constants and CO’s bond length, then to

Because there are steric hindrance of two methyl groups on 4th carbon, the hydride is added to the endo side of the carbonyl group. 3. Reduction of Camphor produces a mixture of diastereomers. 4.

8. ISBN: 0-558-05245-2 Virtual ChemLab: General Chemistry, Student Lab Manual/Workbook, V. 2.5, Third Edition, by Brian F. Woodfield and

Use VSEPR theory to predict the shape of a molecule based on its Lewis structure.

This explains how the presence of a single fluoride atom instead of a hydrogen impacts the structure and charge distribution of the cyclic hydrocarbon. In turn adding a Fluoride atom also increases the energy of the cyclic hydrocarbon creating less stable structures in boat, twist and half chair increasing ΔG and decreasing the amount of other conformers in a solution compared to chair.

Absorptions in the region of 1450 to 1600 cm-1 often designate an aromatic ring and when consulting the C-H region we can confirm its aromatic since the peak is to the left of the 3000 cm-1.

The purpose of this experiment is to examine the reactivities of various alkyl halides under both SN2 and SN1 reaction conditions. The alkyl halides will be examined based on the substrate types and solvent the reaction takes place in.

The objective of this experiment was to illustrate electrophilic aromatic substitution by synthesizing p-nitroanilide (as well as ortho) from acetanilide by nitration. The para form was separated from the ortho form based on solubility properties using recrystallization techniques.

Bromide molecule from pyridinium tribromide was attacked by pi bond creating a positive charge on the bromide. To stabilize the structure, the negative bromide was introduced via frontside attack and made an syn product.

Experimental Method: The molecules CH4, BF3, SO3-2, BrF3, and ICl5 were observed using three different models. The models used were the electron domain, model kit, and the Chem 3D. From each model, the molecule’s bond angle was to be recorded, as well as its molecular geometry. While using each model, what was to be taken into consideration was the ease of use. Finally, the main purpose for using each model was to observe which model was best to use for predicting bond angles. Accuracy, precision and ease were to be taken into consideration when deciding which model was the best overall.

Olmsted, John III; Williams, Greg; Burk, Robert C. Chemistry, 1st Canadian ed.; John Wiley and Sons Ltd: Mississauga, Canada, 2010, pp 399 - 406

Therefore, it can be concluded that the change of stereochemistry at C-3 of carbohydrate or changing ally ester to allyl amide does not have any effect on the regioselectivity of the cycloaddition. It is worthy to mention that in all cases reactions are highly regio- and diastereoselective in nature, because a single product was isolated in each

Furthermore, in this experiment we learned that NMR takes advantage of the magnetic properties of the 1H and 13C nuclei. We are not concerned with 12C because it does not have a magnetic

In order to study the stability and conformational changes of the free PR and above-mentioned complexes during MD simulation, Root mean square deviation (RMSD) analysis was calculated (Karami, Jalali, & Mirzaie, 2017b) for backbone atoms of both structures (Figure 11). As shown in Figure 11, it can be said that all systems enjoy a level of the RMSD between 0.100 – 0.415 nm during 100 ns MD simulation. It is obvious that the RMSD of the free PR gradually rises in first 3 ns; afterward, no tangible rise was seen in the RMSD rate of the free PR until the end of the simulation,

Experiment 6: Synthesis, Electronic Spectra, Structural Isomerism: Octahedral Co(III) complexes with Chloride and Ethylenediamine Ligands