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Releases: openmopac/mopac

MOPAC version 23.0.2

18 Nov 15:50
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This is a patch to remove a stray file that was being erroneously generated by calls to the diskless API, thus interfering with its strict "diskless" status.

MOPAC version 23.0.1

11 Nov 19:03
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This is a patch release addressing some problems with the new API including packaging adjustments and fixing bugs associated with calls to run_mopac_from_input when mixed with other API calls.

MOPAC version 23.0.0

10 Nov 18:34
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This major version release of MOPAC adds several new interfaces to expand accessibility beyond the traditional usage of MOPAC as a command-line program and interfacing with MOPAC strictly through disk-based I/O. Specifically, MOPAC can now be used as an MDI Engine through the MolSSI Driver Interface (MDI) Library, conventional MOPAC calculations with disk-based I/O can be run through direct calls to the core MOPAC library, and a limited set of functionality is exposed through a purely diskless Application Programming Interface (API). MOPAC's new API has C bindings, which will make it easier to integrate with software written in C, Python, or Julia.

The main distribution of MOPAC continues to support x86-based Windows, Mac, and Linux operating systems, but x86-based Mac support will probably be discontinued in a few years as Apple ends official support for all x86-based Macs. MOPAC will continue to support Mac OS, but will eventually switch from x86 to ARM processors. The main distribution of MOPAC will continue to use the most performant BLAS/LAPACK implementations available, which is the Intel MKL library for x86 processors, and either OpenBLAS or ARM vendor BLAS for ARM processors.

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Full Changelog: v22.1.1...v23.0.0

MOPAC version 22.1.1

29 Jan 05:42
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This patch includes several important bug fixes, mainly for periodic calculations. In particular, periodic calculations are no longer sensitive to how tightly atoms are packed within the central cell in the input file, and the pre-compiled distribution of the Windows-only BZ program is operational again.

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Full Changelog: v22.1.0...v22.1.1

MOPAC version 22.1.0

26 Sep 02:29
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The main change in this version is the addition of a new semiempirical model, PM6-ORG, optimized for the simulation of proteins and biomolecules. A notable bug fix and feature addition is that a bug in finite-pressure gradients for non-orthorhombic crystals has been fixed and the stress tensor has been implemented. Standard output has been restored to INDO calculations with the omission of a heat of formation output. Partial charges can be printed in the optional columns (67 - 76) of a PDB file with the keyword PRTCHAR. Simple compressed-archive installers are now being added to each release in addition to the QTIFW installers for users who encounter rare problems with QTIFW.

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Full Changelog: v22.0.6...v22.1.0

MOPAC version 22.0.6

18 Dec 06:53
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This patch is mainly small bug fixes. It also contains an acceleration of the COSMO solver in conventional MOPAC calculations by replacing some hand-written dense linear algebra by a LAPACK call.

What's Changed

New Contributors

Full Changelog: v22.0.5...v22.0.6

MOPAC version 22.0.5

07 Nov 23:05
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A few minor bug fixes and minor new features, mainly the use of the EXTERNAL keyword without a filename is supported if the parameters are placed directly at the bottom of the input file with BEGIN EXTERNAL/END EXTERNAL delimiters. A new semiempirical model, PM6-ORG, has been added to the source, but it is still in development and not yet ready for use. The minor version will be incremented upon the release of the PM6-ORG model, hopefully before the end of the year.

This patch release is a bit late in that it contains bug fixes that are now several months old. Future patch releases will be more timely upon fixing consequential bugs.

What's Changed

New Contributors

Full Changelog: v22.0.4...v22.0.5

MOPAC version 22.0.4

08 Jul 14:42
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MOPAC is now available on the conda-forge channel of the conda package manager. This patch release is primarily intended to fix an OpenMP dependency issue that is causing problems for the conda-forge build. The CTest testing system has also been cleaned up for multi-threaded environments by identifying all test dependencies, which was causing problems for MOPAC deployment on the Fedora package manager.

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Full Changelog: v22.0.3...v22.0.4

MOPAC version 22.0.3

24 Jun 23:44
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This patch release is mainly to fix an unfortunate distribution / dependency issue, stemming from how CMake detects OpenMP libraries. This caused yet another missing dependency in the Linux installer and instances on Linux where multiple, disjoint OpenMP libraries were being linked into the MOPAC executable.

What's Changed

New Contributors

Full Changelog: v22.0.2...v22.0.3

MOPAC version 22.0.2

20 Jun 21:10
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This is a bug-fix patch release that addresses all recently reported bugs except for Issue #40, which is more of a disparity between the MOPAC software and manual rather than a strict bug.

What's Changed

Full Changelog: v22.0.1...v22.0.2