The hydrogen halides have the following fundamental vibrational wavenumbers: 4141.3 cm−1 (1H19F); 2988.9 cm−1 (1H35Cl); 2649.7 cm−1 (1H81Br); 2309.5 cm−1 (H127I). Calculate the force constants of the hydrogen–halogen bonds.

The hydrogen halides have the following fundamental vibrational wavenumbers: 4141.3 cm−1 (1H19F); 2988.9 cm−1 (1H35Cl); 2649.7 cm−1 (1H81Br); 2309.5 cm−1 (H127I). Calculate the force constants of the hydrogen–halogen bonds.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 61P

See similar textbooks

Related questions

Q: The hydrogen halides have the following fundamentalvibrational…

A: The fundamental vibration is seen when the molecule absorbed the quantum energy in its ground state.…

Q: Assuming that the vibrations of a 35Cl2 molecule are equivalent to those of a harmonic oscillator…

A: SOLUTION: Step 1: The reduced mass of the chlorine is calculated as follows:

Q: 4. The vibrational frequency of 'H³°C1 is 8.963 x 1013 Hz. What is the force constant of the bond in…

Q: In what two ways does the Morse potential provide a more accurate description of molecular…

Q: Calculate the CO and CS bond lengths in OCS from the rotational constants B(16O12C32S) = 6081.5MHz,…

A: bondlength of atoms and moment of inertia(I) calculated by Micro wave spectra Rotations takes place…

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: The ammonia molecule NH3 has vibrational modes. 6 4 7 12

A: In a molecule the number of vibrational modes can be determined by using the following formula:

Q: Indicate whether each statement is true or false. The larger the number of atoms in a molecule, the…

Q: The force constant for the bond in CO is 1857 N m−1. Calculate the vibrational frequencies (in Hz)…

A: A molecule has three types of motion. They are translational motion, vibrational motion and…

Q: Calculate the HC and CN bond lengths in HCN from the rotational constants B(1H12C14N) = 44.316 GHz…

A: The molecule considered is HCN.

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: Consider the rotational spectrum of a linear molecule at 298 K with a moment of inertia of…

A: Introduction : We have to calculate the frequency and most populated state .

Q: Arrange the following energies in order of increasing magnitude: a) the typical energy of a…

A: The bond energy of a covalent single bond, the mean molecular translational energy for a gas at…

Q: 1) Calculate the energy of one mole of UV photons of wavelength 300 nm and compare it with a typical…

A: NOTE : Since you've posted multiple independent questions,we're solving first question for you.If…

Q: What is the highest possible degeneracy of a vibration of a Cr(CO)6 molecule? Explain your answer.

A: To find: highest possible degeneracy of a vibration of a Cr(CO)6 molecule.

Q: Determine the symmetry of the vibrational modes of a molecule

A: The vibrational modes can be IR or Raman active.Polyatomic molecules undergo more complex…

Q: Consider the rotational-vibrational spectrum of a diatomic molecule.

A: We need to find the P-branch peaks for given spectrum

Q: 4. Determine the total and vibrational degrees of freedom of a glucose molecule, CeH12O6

A: Total degrees of freedom = 3N Where, N is the no. of atoms. Degrees of freedom is three types -…

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: How many normal modes of vibration are there for the following molecules: (i) C6H6, (ii) C6H5CH3,…

Q: If the spacings between adjacent vibrational features in a photoelectron spectroscopy experiment…

A: A sigma bond of CD is more stronger than CH sigma bond because CD bond have lessee vibrational…

Q: XeF4 is a square planar molecule that has 9 vibrationalmodes. How many degrees of freedom does this…

A: Solution - According to the question - the degrees of freedom of a particle may be defined as the…

Q: assuming that the vibrations of a 35Cl2 molecule are equivalent to those of a harmonic oscillator…

A: The answer is given as follows

Q: The vibrational wavenumber of the oxygen molecule in its electronic ground state is 1580 cm−1,…

Q: Estimate the value of Erot for the lowest rotational energy state of N2, which has a bond length…

A: Rotation energy of any molecule is given by --- E = h28π2I where h is Planck's constant, I is the…

Q: How many normal modes of vibration are there for the following molecules: (i) H2O, (ii) H2O2, (iii)…

A: In case of non-linear molecules, there are three degrees of rotation as the rotation about all the…

Q: This question pertains to rotational spectroscopy. Which of the following molecules would have a…

A: Welcome to bartleby ! As per company Q&A guidelines ,we cannot answer more than one question…

Q: Calculate the number of possible vibrational modes for each of the following molecules and assign…

A: Hello. Since your question has multiple parts and each part has multiple subparts, we will solve…

Q: How many degrees of freedom for the following molecules with explanation ? (Rotational, Vibrational,…

Q: Calculate the vibrational degrees of freedom of water molecule. (A) 9 (B) 3 (C) 4 (D) 1

A: How many vibrational degree of freedom in water molecule?

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: Emission of microwave radiation from the J = 1 → 0 transition of a molecule has been detected at…

Q: Calculate the relative numbers of Br2 molecules ( ᷉v = 321 cm−1) in the second and first excited…

A: Given, ( ᷉v = 321 cm−1) (i) 298 K, (ii) 800 K The relative numbers of Br2 molecules in the secind…

Q: What can we predict about fluorescence intensity as a function of temperature from Boltzmann’s…

A: Fluorescence is the radiative transition between two states of same multiplicity.

Q: The Li2 molecule (7Li isotope) shows a very weak infrared line in its vibrational spectrum at a…

Q: Use the equipartition principle to estimate the value of γ = Cpm/CVm for gaseous N2O5. Do this…

A: Law of equipartition of energy According to the law, there are three types of degree of freedom. 1)…

Q: An object of mass 1.0 g suspended from the end of a spring has a vibrational frequency of 10.0 Hz.…

A: Given 10.0 Hz = 10.0 s-1 Mass of the given object = 1.0 g equivalent to 0.001 kg. The force constant…

Q: 3/ Please explain the answer in detail

Q: Which of the vibrational modes shown for the tetrahedral methane molecule are IR active? (i) (ii)…

A: To determine which of the vibrational modes shown for the tetrahedral methane molecule are IR…

Q: Explain the difference between the excitation and emission spectra of a molecule such as anthracene.

A: Emission spectrum An emissions spectrum can be defined as spectrum of the electromagnetic radiation…

Question

The hydrogen halides have the following fundamental vibrational wavenumbers: 4141.3 cm⁻¹ (¹H¹⁹F); 2988.9 cm⁻¹ (¹H³⁵Cl); 2649.7 cm⁻¹ (¹H⁸¹Br); 2309.5 cm⁻¹ (H¹²⁷I). Calculate the force constants of the hydrogen–halogen bonds.

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

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

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 number of total degrees of freedom and the number of vibrational degrees of freedom for the following molecules. a Hydrogen fluoride, HF b Hydrogen telluride, H2Te c Buckminsterfullerene, C60 d Phenylalanine, C6H5CH2CHNH2COOH e Naphthalene, C10H8 f The linear isomer of the C4 radical g The bent isomer of C4 radical.
How many normal modes of vibration are there for the following molecules and, in each case, briefly explain why this is so: (i) C6H6, (ii) C6H5CH3, and (iii) HC≡C−C≡CH?
The rotational constant for CO is 1.9314 cm−1 and 1.6116 cm−1 in the ground and first excited vibrational states, respectively. By how much does the internuclear distance change as a result of this transition?
How many normal modes of vibration are there for the following molecules: (i) C6H6, (ii) C6H5CH3, (iii) HC≡C–C≡C–H?
Calculate the rotational constant (B) for the molecule H12C14N, given that the H-C and C-N bond distances are 106.6 pm and 115.3 pm respectively.
How many vibrational modes are there for the molecule NC–(C≡C–C≡C–)10CN detected in an interstellar cloud?
Explain why the lines in the spectrum for H35Cl and H37Cl give rise to different rotational constants for the two molecules.
The J = 0 to J = 1 rotational transition of the CO molecule occurs at a frequency of 1.15 x 1011 Hz.(A) Use this information to calculate the moment of inertia of the molecule. (B) Calculate the bond length of the molecule.
1. Determine the number of translational, vibrational, and rotational degrees of freedom available to the molecule NH3. 2. Calculate the rotational constant (B) for the molecule H12C14N, given that the H-C and C-N bond distances are 106.6 pm and 115.3 pm respectively.
The vibrational wavenumber of the oxygen molecule in its electronic ground state is 1580 cm−1, whereas that in the excited state (B 3Σu−), to which there is an allowed electronic transition, is 700 cm−1. Given that the separation in energy between the minima in their respective potential energy curves of these two electronic states is 6.175 eV, what is the wavenumber of the lowest energy transition in the band of transitions originating from the v = 0 vibrational state of the electronic ground state to this excited state? Ignore any rotational structure or anharmonicity.
The average spacing between the rotational lines of the P and R branches of 12C21H2 and 12C22H2 is 2.352 cm−1 and 1.696 cm−1, respectively. Estimate the CC and CH bond lengths.
Explain the occurrence of P and R branches in the rotational fine structure of a vibrational transition of a diatomic molecule such as HCl or CO.