7. The bond lengths of the symmetric top molecule CH3CI between C-H bond is 1.095 Å...
Let's regard the mighty methane molecule (CH4) as a rigid tetrahedron, with the C atom at its center, and CH bond lengths of 1.1 Å (a) Find the position of the center of mass of the molecule. (c) What is the moment of inertia about an axis which is one of the CH bonds'? (d) Show that the moment of inertia about either of the two perpendicular axes is the same. Thus the moment of inertia is independent of the...
The molecule 'H'F has a bond length of 0.9256 Å (9.256 x 10-11 m) and a spring constant, k, of 920 Nm"! The atomic masses are 1.007825 g mol-' for 'H and 18.998403 g mol-' for ''F. (a) Calculate the energy difference between the two lowest rotational states for 'H°F? Express your answer in cm! Calculate the energy difference between the two lowest vibrational states for 'H'F? Express your answer in cm! Assuming that we have a 1 cm x...
The rotational constant of 12C32S2 is 0.109 cm1. 5. Determine and write an equation for the moment of inertia in terms of the C-S bond a) lengths. Calculate the bond length of the molecule (m(12C) = 12.00 amu, m32S) = 32.00 b) amu How can we measure this rotational constant b)
Give details.
4. Rotational levels of 1602 Calculate the moment of inertia of the 1"02 molecule given that its bond length is 120.8 pm and that the atomic mass of 160 is 15.9949 g/mol. a. b. Calculate the rotational constant B in cm and the energy of the first 3 rotational states in cm Infer the wavenumber of the first two rotational lines c. Sketch the rotational spectrum of 1602
4. Rotational levels of 1602 Calculate the moment of inertia...
(c) Calculate the moment of inertia of a CH35Cl3 molecule around a rotational axis that contains the C-H bond The C-CI bond length is 177 pm and the HCCI angle is 107°, m(35Cl) 34.97 u.
3. Acetylene is a linear molecule with the C-C bond length of 120.3 pm and C-H bond legth of 106.0 pm. The fundamental frequencies of the mormal modes are vi = 1975 cm , V2 = 3370 cm , v = 3277 cm , VA = 729 cm", and vg = 600 cm . The normal modes V and vg are doubly degenerate. (a) [7 points) Calculate the moment of intertia, rotational temperature and vibra- tional temperature of each normal...
The bond length of 1 H 35 Cl is 127.46 pm . The atomic masses for 1 H and 35 Cl are 1.0078 amu and 34.9689 amu , respectively. Calculate the value of B in cm^-1 Calculate the spacing between lines in the pure rotational spectrum of this molecule in units of s −1
Exercise 1: Ethane (6 pts.) Heat of Formation of ethane: Bond Lengths: C-C C-H Bond Angle: C-C- H I S H-C-H Dihedral Angle: H-C-C-H What angles are ideal for this molecule? Do the results exactly match these ideal angles? If not, why not? Consider the sources of even small deviations from the ideal. What dihedral angle would you expect in the lowest energy conformation of ethane? Does this match your result? What is the term used to describe the shape...
The equilibrium bond length in nitric oxide (14N 16O) is 1.15 Å. a. Calculate the moment of inertia of nitric oxide. b. Calculate the energy of ? = 0 → 1 transition. c. How many times NO rotates per second in its first rotationally excited state? d. How many degenerate states are associated with the sixth rotationally excited state (ignoring the potential degeneracies associated with the electronic and vibrational states)?
Having trouble with a & c
The equilibrium bond length in oxygen gas (602) is 1.21 Å. (Use the relative atomic mass: 160 = 15.994914622.) (a) Calculate the moment of inertia of 1602 40 4.68e-22 1.94e-46 kg'm2 |X 0 transition. (b) Calculate the energy for the J 1 4.0 5.73e-23 5.72e-23 (c) How many times does the molecule rotate per second in the J 1 level? 40 2.73e8 8.63e+10 s~1