# OpenMC cross\_section.xml problem

**URL:** <https://openmc.discourse.group/t/openmc-cross-section-xml-problem/698>\
**Category:** User Support\
**Created:** [August 15, 2020, 4:53pm UTC](https://openmc.discourse.group/t/openmc-cross-section-xml-problem/698 "2020-08-15T16:53:26Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Pranto](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/pranto/32/489_2.png) [@Pranto](https://openmc.discourse.group/u/Pranto)\
**Post date:** [August 15, 2020, 5:39pm UTC](https://openmc.discourse.group/t/openmc-cross-section-xml-problem/698/2 "2020-08-15T17:39:56Z")

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OpenMC cross\_section path variable

```auto
export OPENMC_CROSS_SECTIONS='/Users/saksorn/opt/data/endf/cross_sections.xml'
export OPENMC_CROSS_SECTIONS

```

> [@huak95](#):
>
> Moreover when I install OpenMC via conda it dosen’t have a OpenMC in home directory.  
> It install here  
> `/Users/saksorn/opt/miniconda3/envs/openmc-env/lib`  
> I don’t know is that will effect the program or not.

It will not affect the program.

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