Quantum Chemistry/Gallery of Images

thumb|allowed transitions for ΔJ=±1 as a stick spectrum for the rigid rotor model thumb|Graph comparing the first 10 energy levels of the particle in a box vs the harmonic oscillator. thumb|This plot shows the probability densities of the following wavefunction ABS(𝜓n(x))^2​ for the vibrational quantum numbers 𝑣 = 0,1,2,3 thumb|plot of quantum numbers nx,ny (n = 1-10) versus energy for a particle in a 2D box. size and shading of each point represents the energy, the number within each point shows the number of degenerate states thumb|First-order Stark effect for hydrogen in the n=2 manifold. 2s and 2p0 states split linearly under increasing electric field, while 2p±1 states remain unshifted thumb|Overlay of the radial component of the hydrogen atom when n=1,2,3 and l=0 to show the increase in the nodes. thumb|The energy levels and degenerate rotational quantum states of a linear rigid rotor for quantum numbers J = 0 to J = 10 when the rotational constant B = 1 plotted as horizontal lines with each quantum number and degeneracy value labeled on the right side of the axis thumb|Figure X. Energy levels of the hydrogen atom in the Bohr model for quantum numbers n = 1 to 8 calculated using En = -13.6 eV/n2. The levels get closer together as n increases, approaching the ionization limit at E = 0 eV. This page collects the graphics used in this course. thumb|Simulated microwave spectrum of H-79Br using data from the HITRAN database. thumb|Rigid-Rotor Boltzmann Population At T = 298 K thumb|The series corresponding to emission of electromagnetic radiation when hydrogen atom transitions from higher-energy quantum states to lower-energy quantum states. thumb|The calculated potential energy surface of HF and associated change in polarity. thumb|Plot showing the radial dependence of the effective nuclear charge Zeff(r) for helium, including screening from the second electron. thumb|Energy difference between screened and unscreened helium 1s orbital as a function of Zeff thumb|Particle in a 1D box wavefunction and probability distribution at quantum numbers n = 1,2,3. The movement of the particle is bound in the region 0 < x < L, where L = 1.0. The shaded areas show all probabilities equal 1 through normalization. thumb|Plot of the intensity of blackbody radiation as a function of wavenumber at T= 3000 K, 4000 K, and 5000 K. thumb|A plot of the first five normalized wavefunctions Ψn​(x) for L = 1, showing node increase with n. thumb|Blackbody radiation of maximum intensity using temperatures of each major class of stars thumb|This ladder diagram shows the energy levels of the Quantum Harmonic Oscillator for vibrational quantum numbers 0 to 4 with the classical potential energy distribution overlaid.