Quantum chemical calculations are appreciable method to predict the hydrogen bonding of the molecule. Many software are available to do this theoretical calculations
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Many computational chemists are using to study the molecular interactions using ‘Gaussian’ software. Myself, I’m also recommending you to use this for your reliable results.
I appreciate Mr. Ahmad Husain answer. 'Mercury' is VIEWER software, this may useful to analysis to structural geometry of the X-ray studied molecule. But, you can't predict H-bond use this software