Calculate the rotational constant B of deuterium chloride (DCI, i.e. hydrogen substitutes deuterium) and explain in what respect the vibration-rotation spectrum of DCI will differ from that of HCI in view of this value. B,/cm=

Calculate the rotational constant B of deuterium chloride (DCI, i.e. hydrogen substitutes deuterium) and explain in what respect the vibration-rotation spectrum of DCI will differ from that of HCI in view of this value. B,/cm=

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: 2. The following is the relative number of molecules in the vibrational states of the 1CI molecule…

A: The above question can be solved using the Maxwell- Boltzmann distribution law The Maxwell–Boltzmann…

Q: Vibration-rotation transitions in the infrared spectrum of 1H19F were observed at 2886.50, 2908.51,…

A: a) Wavenumber originated for the absorption line in the P branch is given, Wavenumber originated…

Q: Briefly explain the effect of isotopic substitution in the rotational spectrum of diatomic molecules…

A: Molecular spectroscopy and isotopic substitution. Molecular spectroscopy is a branch of science that…

Q: How many normal modes of vibration are there for the following molecules and, in each case, briefly…

A: Mode of vibration = number of different way molecules can vibrate

Q: The frequency for the first excitation of the stretching mode in the HCl molecule was experimentally…

A: The frequency for the first excitation of the stretching mode in the HCl molecule is = 86.6 THz The…

Q: What is the vibrational wavenumber for carbon dioxide? Explain how you got this answer.

A: IR spectroscopy is mainly used for the identification of functional group present in the molecule.…

Q: Estimate the absorption frequency of butadiene if the sum of the bond lengths is 0.424nm

Q: Estimate the ratio of the number of molecules in the firstexcited vibrational state of the molecule…

A: The energy delivered can be determined as follows:

Q: Explain the basis of the Franck-Condon principle and how it leads to the formation of a

A: To Explain: Basis of Franck-Condon principle and how it leads to the formation of Vibrational…

Q: What factors influence the wavelength of maximum emission and maximum excitation in fluorescence…

A: There are many factors that can influence the wavelength of maximum emission and maximum excitation…

Q: The first five vibrational energy levels of ¹H¹271 are at 1144.83, 3374.90, 5525.51, 7596.66, and…

Q: Estimate the ratio of the number of molecules in the first excited vibrational state of the molecule…

A: Let the number of nitrogen molecule in the first excited state be x and the number of the nitrogen…

Q: Consider the vibrational mode of CH4 that corresponds to the compression of one C-H bond while the…

A: For a molecule to be IR active, it must have permanent dipole moment. While for a molecule to be…

Q: Starting from the formula for the rotational energy levels: ħ² EJ J(J+1) = J = 0, 1, 2... 21 Show…

A: First find moment of inertia of HCl then put all the value (plank constant) and solve the equation.…

Q: The rotational constants of HFHF and DFDF are 20.956 cm−1 and 11.00 cm−1, respectively. 1K = 0.6950…

A: The expression of energy is shown below: E = BJJ+1 where; B = rotational constant J = energy states

Q: If the force constant of the C=N bond is 1.0 X103 N/m, calculate the vibrational frequency and…

A: Given: Force constant = 1.0 × 103 N/m.

Q: (b) The UV-visible electronic absorbance spectrum of the following azo dye has an absorption maximum…

A: Given:Determine the difference.A type of synthetic dye that contains the azo group , which gives…

Q: The fundamental vibrational wavenumber for 12c160 is 2143 cm-1. For 1 mole of these molecules,…

A: Given: The fundamental vibrational wavenumber for C1612O=2143cm-1 . when 1 mole of these molecules…

Q: Spectroscopy measurements indicate that the rotational constants of a non-linear molecule are 2.806,…

Q: The wavenumber of the fundamental vibrational transition of Cl 2 is 565 em·'. Calculate the force…

A: Hooke's law relates the wavenumber of the vibrational transition with the force constant and reduced…

Q: A low-resolution pure rotational spectrum for ¹H³5Cl has six lines spaced at an average of 19.8…

A: To calculate the bond length of ¹H³⁵Cl using the given low-resolution pure rotational spectrum data,…

Q: 1. Determine the number of translational, vibrational, and rotational degrees of freedom available…

A: (1) Given that, a molecule is NH3. We have to calculate the number of translational, vibrational,…

Q: The vibrational frequencies of 23Na'H, 2³Nª³³CI, and 23Na127I are 3.51 × 1013 s-1, 1.10 × 1013 s-',…

A: Reduced mass is given by the formula:1μ = 1m1+1m2μ = m1 m2m1 + m2where, μ= reduced mass of the…

Q: at 75 °C and 1 mole assuming all possible energy states are populated.

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: When a gas is expanded very rapidly, its temperature can fall to a few degrees Kelvin. At these low…

Q: 10. The first five vibrational energy levels of ¹H³5Cl are at 1481.86, 4367.50, 7149.04, 9826.48,…

Q: Consider the diatomic molecule AB modeled as a rigid rotor (two masses separated by a fixed distance…

Q: A gaseous sample produces a pure rotational spectrum in the microwave region as a series of equally…

A: Rotational spectroscopy is a spectroscopic method which studies the transition between rotational…

Q: The moment of inertia of CH4 can be ca lcu lated from the expression I= 8/3 MHR2 where R = 109 pm is…

A: First, calculate the moment of inertia for CH4 as follows: I = 83MHR2= 83×1.67×10-27kg×109×10-12m2=…

Q: You know that the wavenumbers of the rotational transition J = 1← 0 for 1H 35Cl and 2H 35Cl are…

A: The ΔE value represented in terms of wavenumbers for the rotational transition from J=0 to J=1, can…

Q: The fundamental vibration frequency of H^35Cl is 2989 cm^-1. What is the value of the liaison force…

Q: Suggest a reason why the replacement of 12C by 13C in CO2 affects some of its vibrational…

A: The replacing of an atom with its isotope is known as isotope effect, this is useful in an IR…

Q: (b) Assume the molecule, 2H³5Cl, can be considered as a rigid rotor in a pure rotational microwave…

A: Here we are required to find the wavenumber for the absorption line for 2H35Cl

Q: Consider the molecule Br2. The energy (in cm-1) required to excite Br2 from the ground vibrational…

A: In General, If any molecule is IR inactive and then it will Raman-active.

Q: What vibrational frequency change can be generally expected upon an isotopic exchange of vibrating…

A: Isotopic substitution refers to the replacement of one isotope of an element with another in a…

Q: The lowest three vibrational energy levels of 127|35CI lie at 191.77, 573.06, and 951.34 cm-1.…

A: The vibrational energy levels are represented by the equation: vo is the vibrational frequency, v…

Q: 5. The rotational constant of 127135Cl is 0.1142 cm-1. (a) What is the most highly populated…

A: Step 1: Step 2: Step 3: Step 4:

Q: The fundamental vibrational wavenumber ( ṽ) for 1H 127I molecule is 23096 cm-1 A. Determine the…

A: IR spectroscopy is also called as infrared spectroscopy. This is the called so because of the…

Q: 6) The wavenumber of the fundamental vibrational transition of 79Br³¹Br is 323.2 cm¹. Calculate the…

Q: ) What is the highest possible degeneracy of a vibration of a Cr(CO), molecule? Explain your answer.

Q: In the vibrational-rotational experiment of HCI, the average rotational line separation was found to…

Q: Calculate the wavenumbers of the two highest energy vibrational transitions for the ¹271³5C|…

Q: Determine the vibrational modes of selected molecular movements (in the text, cis-ML2(CO) 2 and…

A: The vibrational modes of selected molecular movements of any molecule can be determined using…

Q: Make (and justify) assignments for the vibrations observed in the IR spectra

A: And infrared spectrum is a plot of percentage transmittance or absorbance versus stretching…

Q: Explain the orig in of the Franck-Condon principle and how it leads to the appearance of vibrational…

A: The origin of the Franck-Condon principle and how it leads to the appearance of vibrational…

Q: How to obtain a general expression for the R branch in HCl for the lowest vibrational state.

A: Vibartional spectrum is obtained due top the fact that all the molecules are in the state of…

Question

Calculate the rotational constant Bo of deuterium chloride (DCI, i.e. hydrogen substituted by
Calculate the rotational constant Ba of deuterium chloride (DCI, i.e. hydrogen substituted
deutenum) and explain in what respect the vibration-rotation spectrum of DCI will differ from
that of HCl in view of this value.
Bg/cm1
5.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Determine the CO and CS bond lengths in OCS from the rotational constants B (16O12C32S) = 6081.5 MHz, B (16O12C34S) = 5932.8 MHz.
Suppose an oxygen atom (m = 15.9949mu) is adsorbed on the surface of a nickel nanoparticle by a bond of force constant 544 N m-1. Calculate the wavelength of a photon needed to excite a transition between its neighbouring vibrational energy levels.
Please don't provide handwritten solution
Estimate the vibrational frequency and rotational constant for DBr. Provide a numerical answer in cm-1. Assume the bond length is 1.945 Å and the reduced mass is 1.95 amu.
What can we predict about fluorescence intensity as a function of temperature from Boltzmann’s distribution?
But molecules combine both vibrational and rotational states in such a way that both selection rules must be satisfied if we are only talking about absorption or emission of electromagnetic radiation (i.e. photons). 5 1 images from Krane Ch 9. Relative absorption : 0.330 L=3 to L=2 L=2 to L = 1 Electronic excited state. Electronic ground state L→ L-1 L = 1 to L = 0 Ť 0.340 0.350 SE Energy (eV) 2B 0.360 : hf L=0 L=1 L=2 to to to L = 1 L = 2 L = 3 Photo 4 1 3 1 2 1 1 0 1 1 5 0 4 0 30 20 1 0 0 0 LN L→ L+1 0.370 0.380 no emission here because AL # 0, AL = +1 AN = ±1, HCI spectra. In the middle of the gap is the energy hf that would correspond to a pure vibrational transition, which would violate the rotational selection rule. What is the value of hf for the HCI spectra?
Considering that the HCI molecule behaves like a harmonic oscillator, calculate: a) The reduced mass and the moment of inertia. b) The energy of the three lowest rotational levels and the degeneracy of each level. c) The amplitude of vibration in the ground state. Interpret the result obtained, comparing it with the value of the internuclear distance, which is 1,275 Å. Data: NA = 6.022x1023 mol1; h = 6.626x10 34 J s; k = 491.8 N m1 Relative atomic masses: H = 1.008 and CI %3D 35.453
The molar absorption coefficient of a substance dissolved in hexane is known to be 227 dm3 mol−1 cm−1 at 290 nm. Calculate the percentage reduction in intensity when ultraviolet radiation of that wavelength passes through 2.00 mm of a solution of concentration 2.52 mmol dm−3.
Calculate the vibrational and rotational temperatures (Ovib and Orot) for the diatomic molecular Lithium Hydride (LiH). The Li-H bond length is 0.1595 nm and the vibrational frequency (VL¡H) is 1405 cm'.
E rotational is 2.777×10−20 J
hydrogen molecule absorbs ultraviolet radiation in a transition from its 1Σg+ ground electronic state to an excited state that is energetically close to a dissociative 1Σu+ state. The absorption band has a relatively large experimental linewidth. Account for this observation.