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What Is Molecular Formula
What Is Molecular Formula? A Molecule Formula is an expression of element symbols and numbers of atoms of same element types that bonded together to form the molecule. If the number of atoms of an element type is 1, it is omitted from the formula. If the number of atoms of an element type is greater...
2020-04-16, 639👍, 0💬

What Is PK-PD Relation
What Is PK-PD (Pharmacokinetic-Pharmacodynam ic)relation? Since PK is mainly represented as a function of drug concentration over time, and PD is mainly represented as a function of drug efficacy over drug concentration, the PK-PD relation is represented as a function of by drug efficacy over time b...
2021-11-01, 635👍, 1💬

Open Babel Installation Options on CentOS
What are the options for installing Open Babel on CentOS computers? There are a number of options for installing Open Babel on CentOS computers: 1. Install Open Babel with a newer software package manager like DNF/YUM. This is the easiest option to install Open Babel on CentOS computers, if someone ...
2020-10-20, 633👍, 0💬

"babel" - FP2 Exhaustive Fingerprint Fragments
How to exhaust all possible Open Babel FP2 Fingerprint Fragments in a molecule? The easiest way to exhaust all possible Open Babel FP2 Fingerprint Fragments in a molecule to following this algorithm: Loop through all atoms (except H) in the molecule. Set each atom as the root of a bond-atom tree. An...
2020-12-02, 632👍, 0💬

Structure Display Command on Open Babel GUI
How to change the display command on Open Babel GUI? By default, Open Babel GUI uses Firefox to display molecule structure. If you don't have Firefox installed, you will get an error: Obgui Error: Execution of command "firefox ..." failed. System cannot find the file. To fix the problem, you can cha...
2022-05-31, 630👍, 0💬

Molecule FYI-1000186
Molecule Summary: ID: FYI-1000186 SMILES: CCC/C=C/C=O Received at FYIcenter.com on: 2020-11-09
2020-12-02, 623👍, 0💬

Open Babel Documentation and Resources
Where can I find Open Babel documentations and resources? Here is a list of links to Open Babel documentations and resources. Open Babel Command Manuals and Tutorials - http://openbabel.org/wiki/Cate gory:GuidesOpen Babel v2.3.1 Documentation - "Open Babel, or how I learned to love the chemistry fil...
2021-01-09, 622👍, 0💬

Introduction to Molecules
Where to find FAQ (Frequently Asked Questions) in understanding what is molecule and its basic properties? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is molecule. What Is Molecule What Is Molecular Formula What Is Atomic...
2020-04-16, 621👍, 0💬

JSME Molecule Editor at FYIcenter.com
What is JSME Molecule Editor at FYIcenter.com? FYIcenter.com maintains a version of JSME Molecule Editor. You can use it to create a new molecule, or edit an existing molecule. JSME, Molecule Editor in JavaScript is a free molecule editor created by Peter Ertl and Bruno Bienfait. It can be used as a...
2021-08-13, 619👍, 0💬

"babel ... -o svg -xS" - Ball/Stick Depiction in SVG
How to generate a ball and stick depiction of a molecule in SVG with the "babel" command? If you want to a ball and stick depiction of a molecule in SVG format, you can use the "-o svg -xS" option with the "babel" command. For example, the following command generate a ball and stick depiction of of ...
2020-07-15, 619👍, 0💬

Understanding "babel" Command Line Syntax
Where to find FAQ (Frequently Asked Questions) on understanding "babel" Command Line Syntax? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on understanding "babel" Command Line Syntax. What Is "babel" Command "babel" Command - Input Data Source ...
2020-05-24, 618👍, 0💬

What Is Stereochemistry
What Is Stereochemistry? Stereochemistry is the study of stereoisomers, which are molecules having same atoms and same connectivities, but with different spatial arrangements. Here are some stereoisomers listed in the picture below: Example of Stereoisomers You can do stereochemistry with Open Babel...
2022-11-09, 615👍, 0💬

Substructure Search with SMARTS Expressions
How to use SMARTS expressions in a substructure search using "babel" commands? You can use SMARTS expressions in the "-s ..." option in "babel" commands to filter molecules that match given SMARTS expressions. Here are some examples: # C, C and O connected with single bonds fyicenter$ obabel "-:c1cc...
2021-01-09, 615👍, 0💬

"obprobe" - Create Electrostatic Probe Grid
What Is "obprobe" command? How to use it to optimize the geometry and minimize the energy for a given molecule? "obprobe" command is a command line tool provided in the Open Babel package that allows you to Create Electrostatic Probe Grid for a given molecule. Here is the user manual of the "obprobe...
2020-10-26, 615👍, 0💬

"babel -i fs ... -s SMILES" - Substructure Search with Index
How to perform a substructure search using the fastsearch index file with the "babel" command? If you want to perform a substructure search using the fastsearch index file, you can use the following "babel" command syntax: babel -i fs index_file output_section -s SMILES In the above command: "-i fs ...
2020-05-25, 612👍, 0💬

"obenergy" - Calculate Molecule Energy
What Is "obenergy" command? How to use it to Calculate Molecule Energy? "obenergy" command is a command line tool provided in the Open Babel package that allows you to Calculate Molecule Energy. Here is the user manual of the "obenergy" command. NAME obenergy -- calculate the energy for a molecule S...
2020-11-11, 611👍, 0💬

Migrate JME Applet to JSME JavaScript
How to migrate my old JME Applet Web pages to use JSME JavaScript? If you have old Web pages that use the JME Applet molecule editor, you migrate your old pages to use JSME by making 2 changes: 1. Load JSME JavaScript library using a "script" tag in the "head" tag. &lt;script type="text/javascri...
2020-05-18, 611👍, 0💬

PyMol GUI and CLI
Where to find tutorials in understanding PyMol GUI and CLI? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding PyMol GUI (Graphics User Interface) and CLI (Command Line Interface). PyMol Screen Layout Load Molecule Strcuture from Fil...
2020-04-16, 610👍, 0💬

What Are SMARTS Expressions
What are SMARTS expressions? SMARTS expressions are divided into 3 types: 1. Atom Expressions - An expression that can be evaluated to an atom pattern using atom operations on atoms and atom expressions. An atom expression must be enclosed in square brackets, if it is not a single simple atom symbol...
2020-06-08, 608👍, 0💬

peter-ertl.com/jsme - JSME (JavaScript Molecule Editor)
What IS JSME, Molecule Editor in JavaScript? JSME, Molecule Editor in JavaScript is a free molecule editor created by Peter Ertl and Bruno Bienfait. It can be used as an integrated online Web tool. JSME features are described in its documentation as: "JSME supports drawing and editing of molecules a...
2020-05-29, 608👍, 0💬

Fingerprint Types Supported in Open Babel
What Fingerprint Types are Supported in Open Babel? You can get a list of fingerprint types supported in Open Babel by running the "babel -L fingerprints" command: fyicenter$ babel -L fingerprints FP2 Indexes linear fragments up to 7 atoms. FP3 SMARTS patterns specified in the file patterns.txt FP4 ...
2020-12-15, 607👍, 0💬

"obgrep" - Search Molecules using SMARTS
What Is "obgrep" command? How to use it to Search Molecules using SMARTS strings? "obgrep" command is a command line tool provided in the Open Babel package that allows you to Search Molecules using SMARTS strings. "obgrep" command does the same job as the "babel ... -s ..." with more options. Here ...
2020-11-11, 606👍, 0💬

"babel -ofpt -xs" - Display Fingerprint Fragments
How to Display Fingerprint Fragments using "babel" command? I want to know how many fragments are used when taking the fingerprint of a given molecule. You can using ""-ofpt -xs" options of the "babel" command to Display Fingerprint Fragment information. Here are some examples of molecule fingerprin...
2020-12-02, 605👍, 0💬

"babel -x..." Command - Extra Output Writing Options
How to pass extra options for "babel" to write output data of a specific format? If you want to pass extra options for "babel" to write output data of a specific format, you need to use one or more "-x..." options in the "babel" command line as shown in the following syntax: babel input_section outp...
2020-07-15, 604👍, 0💬

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