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Related Concept Videos

Molecular Models02:00

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
Chemical Equilibria: Systematic Approach to Equilibrium Calculations01:21

Chemical Equilibria: Systematic Approach to Equilibrium Calculations

Equilibrium calculations for systems involving multiple equilibria are often complex. For example, to calculate the solubility of a sparingly soluble salt in an aqueous solution in the presence of a common ion, one must consider all the equilibria in this solution. Calculations for these systems can be complicated and tedious, so a systematic approach with a series of steps is often helpful. The process is detailed below.
The first step is to identify all the chemical reactions involved, The...
Electronic Structure of Atoms02:28

Electronic Structure of Atoms


An atom comprises protons and neutrons, which are contained inside the dense, central core called the nucleus, with electrons present around the nucleus. Taking into account the wave–particle duality of electrons and the uncertainty in position around the nucleus, quantum mechanics provides a more accurate model for the atomic structure. It describes atomic orbitals as the regions around the nucleus where electrons of discrete energy exist, characterized by four quantum numbers:  n, l, ml, and...
The Small x Assumption02:20

The Small x Assumption

If a reaction has a small equilibrium constant, the equilibrium position favors the reactants. In such reactions, a negligible change in concentration may occur if the initial concentrations of reactants are high and the Kc value is small. In such circumstances, the equilibrium concentration is approximately equal to its initial concentration. This estimation can be used to simplify the equilibrium calculations by assuming that some equilibrium concentrations are equal to the initial...
The Van der Waals Equation01:26

The Van der Waals Equation

The ideal gas law is based on two simplifying assumptions: first, that there are no intermolecular attractions between gas molecules, and second, that the volume occupied by the molecules themselves is negligible compared with the volume of the container. However, these assumptions don't hold up under all conditions - specifically, at high pressures and low temperatures, as gas tends to deviate from ideal gas behavior.The van der Waals equation is an enhanced version of the ideal gas law,...
Molecular Geometry and Dipole Moments02:36

Molecular Geometry and Dipole Moments

The VSEPR theory can be used to determine the electron pair geometries and molecular structures as follows:

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Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry
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Published on: April 8, 2020

JACOB: an enterprise framework for computational chemistry.

Mark P Waller1, Thomas Dresselhaus, Jack Yang

  • 1Theoretical Chemistry, Organic Chemistry Institute, Westfälische Wilhelms Universität Münster, Correnstrasse 40, Münster 48149, Germany. m.waller@uni-muenster.de

Journal of Computational Chemistry
|April 5, 2013
PubMed
Summary
This summary is machine-generated.

The JACOB framework accelerates computational chemistry application development by providing an integrated, batch-based system. This robust, open-source tool enhances developer productivity and simplifies complex computational workflows.

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Area of Science:

  • Computational Chemistry
  • Software Engineering
  • Scientific Computing

Background:

  • Developing computational chemistry applications requires significant infrastructure management.
  • Generic programming tasks often hinder rapid scientific code development.
  • Existing frameworks may lack scalability, robustness, or ease of integration.

Purpose of the Study:

  • To introduce JACOB, an integrated batch-based framework for computational chemistry.
  • To enhance developer productivity by abstracting generic infrastructure.
  • To provide a scalable, secure, and robust platform for scientific applications.

Main Methods:

  • Applied enterprise software engineering paradigms for framework design.
  • Developed a centralized web application for configuration and control.
  • Implemented an application-programming interface with tools for large-scale jobs and workflow coordination.

Main Results:

  • JACOB offers a unified framework for rapid computational chemistry application development.
  • The framework streamlines the creation of systematic studies and complex workflows.
  • Enterprise software engineering principles ensure scalability, testability, security, and robustness.

Conclusions:

  • JACOB significantly expedites computational chemistry application development.
  • The framework's modular design allows easy extension with user-specific scientific code.
  • Open-sourced code is available for broader community adoption and contribution.