# Struggling to submite a (ORCA computational chemistry) parallel job to PBS Pro

**URL:** <https://community.openpbs.org/t/struggling-to-submite-a-orca-computational-chemistry-parallel-job-to-pbs-pro/2147>\
**Category:** Users/Site Administrators\
**Created:** [May 28, 2020, 2:13pm UTC](https://community.openpbs.org/t/struggling-to-submite-a-orca-computational-chemistry-parallel-job-to-pbs-pro/2147 "2020-05-28T14:13:40Z")\
**Posts on this page:** 1\
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**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\
**Post date:** [May 28, 2020, 9:11pm UTC](https://community.openpbs.org/t/struggling-to-submite-a-orca-computational-chemistry-parallel-job-to-pbs-pro/2147/2 "2020-05-28T21:11:03Z")

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1. Please share the PBS Version ( `qstat --version` )
2. Was OpenMPI compiled from source with PBS TM API  
[TM api on pbspro does not work for me?](http://community.openpbs.org/t/tm-api-on-pbspro-does-not-work-for-me/323/2)  
[Compile OpenMPI with PBSpro 14.1.10](http://community.openpbs.org/t/compile-openmpi-with-pbspro-14-1-10/159/14)
3. Could you please simple OpenMPI + PBS job , before trying out your above example, to make sure it works.

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