All Chemistry Calculator Related Post

EPR Spectroscopy Calculator – g & A Predictor EPR Spectroscopy Calculator Spin Hamiltonian & Spectrum Simulator Predict g-tensor, hyperfine A, ZFS D/E, and CW EPR lineshapes Electron spin S ?S=1/2 for radicals, S=5/2 for Mn2+ S=1/2 (Organic radical)S=1 (Triplet)S=3/2 (Co2+)S=2S=5/2 (Mn2+, Fe3+) g_x ?Anisotropic g-tensor g_y g_z Hyperfine A (MHz) ?Isotropic coupling ZFS D (cm⁻¹) […]

X-Ray Diffraction Calculator – XRD Pattern Tool X-Ray Diffraction Calculator Bragg’s Law & Lattice Parameter Tool Calculate d-spacing, 2θ angles, Miller indices, and simulate XRD patterns Crystal System ?Lattice type CubicTetragonalHexagonalOrthorhombic X-ray Wavelength λ (Å) ?Cu Kα = 1.5406 Å Please enter valid wavelength Lattice parameter a (Å) ?Unit cell edge Please enter valid a

Mössbauer Spectroscopy Calculator – δ & ΔEQ Tool Mössbauer Spectroscopy Calculator 57Fe, 119Sn, 151Eu Parameter Predictor Calculate isomer shift δ, quadrupole splitting ΔEQ, and hyperfine field B_hf Isotope ?Mössbauer-active nucleus 57Fe (Iron)119Sn (Tin)151Eu (Europium) Oxidation state ?e.g., +2, +3 +2+3+4 Coordination geometry ?Symmetry affects ΔEQ OctahedralTetrahedralSquare PlanarTrigonal Electron density at nucleus ρ(0) (a.u.⁻³) ?From DFT

ENDOR Spectroscopy Calculator – Hyperfine Analysis Tool ENDOR Spectroscopy Calculator Hyperfine Coupling and ENDOR Frequency Predictor Calculate ν± transitions, A couplings, and simulate ENDOR spectra for paramagnetic species Nucleus ?Magnetic nucleus (e.g., 1H, 14N) 1H (Proton)2H (Deuterium)14N31P19F13C Magnetic field B₀ (T) ?External field strength Please enter a valid field Isotropic hyperfine A_iso (MHz) ?Scalar coupling

Zero-Field Splitting Calculator – ZFS Tool for EPR Zero-Field Splitting Calculator Transition Metal ZFS Parameter Calculator Calculate D and E using crystal field, spin-orbit coupling, and superposition models Metal ion ?Transition metal ion (e.g., Mn2+, Fe3+) Mn2+ (S=5/2)Fe3+ (S=5/2)Ni2+ (S=1)Co2+ (S=3/2)Cu2+ (S=1/2) Coordination geometry ?Symmetry of the complex OctahedralTetrahedralSquare PlanarTrigonal Bipyramidal Spin-orbit coupling constant λ

Basis Set Calculator – Quantum Chemistry Tool Basis Set Calculator Quantum Chemistry Basis Set Analyzer STO-3G, 6-31G*, cc-pVTZ, def2-SVPD, and more Basis Set ?Choose from 50+ standard sets STO-3G3-21G6-31G6-31G*6-31G**6-311G6-311G*6-311G**cc-pVDZcc-pVTZcc-pVQZdef2-SVPdef2-SVPDdef2-TZVPdef2-TZVPDLANL2DZaug-cc-pVDZ Element ?Atomic number or symbol QM Method ?HF, DFT, MP2, etc. Hartree-FockB3LYPMP2CCSDGeneric DFT Analyze Basis Set Total Basis Functions: – Contracted Primitives: – Zeta Level: –

Free Energy Perturbation Calculator – Drug Binding Tool Free Energy Perturbation Calculator Alchemical Free Energy Calculator Zwanzig FEP, Thermodynamic Integration, and BAR methods FEP Method ?Choose perturbation technique Zwanzig Exponential AveragingThermodynamic IntegrationBennett Acceptance Ratio Temperature (K) ?Simulation temperature Enter valid temperature λ Points ?Number of intermediate states Mutation Type ?Alchemical transformation Methyl → HCl →

Free Energy Perturbation Calculator – Drug Binding Tool Free Energy Perturbation Calculator Alchemical Free Energy Calculator Zwanzig FEP, Thermodynamic Integration, and BAR methods FEP Method ?Choose perturbation technique Zwanzig Exponential AveragingThermodynamic IntegrationBennett Acceptance Ratio Temperature (K) ?Simulation temperature Enter valid temperature λ Points ?Number of intermediate states Mutation Type ?Alchemical transformation Methyl → HCl →

Conformational Energy Calculator – Molecular Modeling Tool Conformational Energy Calculator Molecular Mechanics Conformational Energy MMFF94, AMBER, CHARMM force fields for torsional, vdw, and electrostatic energies Force Field ?Molecular mechanics potential MMFF94AMBERCHARMMOPLS Molecule Type ?Pre-parameterized systems Alkane (C-C-C-C)Peptide (Ala-Ala)Sugar (glucose)Aromatic (benzene) Torsion 1 (°) ?First dihedral angle Enter -180 to 180° Torsion 2 (°) ?Second dihedral

Hydrogen Bonding Energy Calculator – Molecular Force Tool Hydrogen Bonding Energy Calculator Quantum-Based H-Bond Energy Calculator Pauling, Lippincott-Schroeder, and electrostatic models for accurate bond strength Hydrogen Bond Donor ?Atom attached to hydrogen (O, N, F) Oxygen (-OH)Nitrogen (-NH)Fluorine (-FH)Sulfur (-SH) Hydrogen Bond Acceptor ?Atom with lone pair (O, N, F) Oxygen (C=O, -O-)Nitrogen (amine, pyridine)FluorineChlorine