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  1. Dec 21, 2018 · ORCA在Linux下是通过OpenMPI这种MPI库实现并行的,并行方式运行ORCA之前需要先编译OpenMPI库。ORCA文件包的文件名当中直接体现了要求的OpenMPI库版本,比如文件名里有openmpi416就代表需要OpenMPI 4.1.6。不代表其它版本OpenMPI就一定不兼容。

  2. Jul 25, 2024 · Recreating the ORCA infrastructure and deleting much of the legacy code amounted to reliving a large part of my scientific life in fast forward. Many memories were tied to specific code parts and so many images returned along the way of how life was when this or that was written and what that world looked like back then.

  3. Jul 2, 2021 · 明显orca 5.0比4.2.1合理多了,和g16基本一致了。注:orca里的smd的极性部分用的是cpcm,和gaussian的smd的极性部分用的iefpcm有异,结果注定不可能非常相近,但差异不会太显著。 orca作为mpi并行程序,内存消耗量问题一直为人所诟病。

  4. Orca (Killer Whale) Hostile Planet; More. Nat Geo Channel 1:48. Seal Pup Killed By Shark. 20 May 2019 ...

  5. Feb 15, 2022 · “第22届北京科音初级量子化学培训班” 将于11月21至24日于北京举行。这是新人(包括零基础的)从头系统学习基础的量子化学计算,从而能顺利上手量子化学研究的非常难得的机会!

  6. Dec 13, 2020 · orca量子化学程序有不错的做bomd形式的从头算动力学的功能,使用很方便,而且本身orca做dft的效率又高,是做孤立体系aimd的首选程序之一。 虽然有些特性不支持,比如没法像Gaussian的BOMD那样直接做准经典动力学,不能根据原子距离等标准判断什么时候自动结束任务等等,但都不是大问题。

  7. Jan 4, 2015 · 与其说orca收敛烂,不如说Gaussian在收敛方面做得比较好,可调节选项也比较丰富。 很多其它程序诸如GAMESS-US的收敛也一样明显不如Gaussian。 (虽然不收敛的情况也很多,导致502错误成了周经性问题,甚至还有小白喷Gaussian这方面很糟)

  8. Jul 11, 2024 · Dear ORCA community, after almost exactly 3 years of exceptionally hard work, the development team is very excited to announce that ORCA 6.0.0 will be released on Thursday, July 25th, 2024 As for ORCA 5 before, there will be a *two day* online release event on July 25th and 26th, 2024.

  9. www.nationalgeographic.co.uk › topic › subjectsSeals - National Geographic

    An adult male Mediterranean monk seal swims through a national park in Madeira, which is home to one of three remaining populations.

  10. Nov 29, 2016 · ORCA 4.0.0 及以后版本中增加了一个关键词为SCFConvForced,可以在SCF不收敛时终止计算,但仍不是默认,建议在所有计算中加上此选项。 下文中Gaussian和ORCA两栏分别是左右对应的两个程序的关键词,Note是说明。下文为个人理解,如有错误烦请务必指出改正。

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