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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, 398👍, 0💬

Molecule FYI-1000165
Molecule Summary: ID: FYI-1000165 SMILES: Received at FYIcenter.com on: 2020-08-17
2020-08-25, 397👍, 0💬

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, 394👍, 0💬

PyMol Installation
Where to find tutorials in understanding what is PyMol and how to install it? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team in understanding what is PyMol and how to install it. What Is PyMol Install PyMol Incentive Edition on MacOS Install PyMo...
2020-04-16, 394👍, 0💬

Install Open Babel CLI RPM Package for CentOS
How to download and install Open Babel CLI (Command Line Interface) RPM package for CentOS computers? Open Babel CLI RPM package offers a number of pre-build command line tools for you convert and manipulate molecule data from one format to another format using Open Babel library. You can follow thi...
2020-10-10, 393👍, 0💬

"babel -s ..." Command - Substructure Search
How to use "babel -s ..." command to do substructure search? You can do substructure search using the "-s ..." option of the "babel" command with the following syntax: babel input_section output_section -s smarts_string The smarts_string specifies a SMARTS string that represents a molecule pattern. ...
2020-06-08, 391👍, 0💬

Substructure Search with Wildcard Atom "*"
How to use Wildcard Atom in a substructure search using "babel" commands? You can use "*" in a SMARTS string as a wildcard atom to represent "ANY" atom in a substructure search using "babel" commands. Here are some examples of substructure matching with a wildcard atom "*" in the molecule pattern: f...
2020-06-08, 391👍, 0💬

Open Babel Command Files on macOS
What are Open Babel commands and files installed by the macOS binary package? If you install Open Babel 2.3.1 with the pre-compiled binary package on a macOS computer, you will get a number of Open Babel commands. All Open Babel command files are located in the /usr/local/bin directory: fyicenter$ l...
2020-05-24, 391👍, 0💬

Build Molecule Pattern in JSME
How to build a molecule pattern in JSME editor? I also want to save it a SMARTS string to do substructre search. If you want to build a molecule pattern in JSME, you can follow this tutorial. 1. Follow the previous tutorial to install JSME on your Web server. 2. Run the demo page on the Apache Web s...
2020-05-18, 390👍, 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, 389👍, 0💬

What Are Valence Electrons
What Are Valence Electrons of an Atom? Valence Electrons of an Atom are electrons located on the most outer shell of the atom. The number of Valence Electrons of an atom is very important chemical property of the atom. There is no easy way to calculate the number of Valence Electrons of an atom. But...
2020-05-29, 388👍, 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, 388👍, 0💬

"obconformer" - Generate Best Conformer
What Is "obconformer" command? How to use it to generate the best conformer from a base molecule? "obconformer" command is a command line tool provided in the Open Babel package that allows you to generate the best conformer from a base molecule. Here is the user manual of the "obconformer" command....
2020-11-22, 386👍, 0💬

"babel" vs. "obabel" Commands
What are the differences between "babel" and "obabel" commands? "babel" and "obabel" commands are two commands of the same Open Babel chemical data conversion program with slightly different command line syntaxes. You can see the syntax differences between "babel" and "obabel" commands by running th...
2021-07-19, 383👍, 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 bracktes, if it is not a single simple atom symbol...
2020-06-08, 383👍, 0💬

"babel ... -o svg -xd -xP300" Bug - Option -d takes a parameter
Why "babel ... -o svg -xd -xP300" command is giving the "Option -d takes a parameter" error in Open Babel 2.4? It seems to be another code bug in the "babel" command in Open Babel 2.4 release. "-xd" option for "svg" output format should not require any parameters according the help document: "d - do...
2020-07-15, 382👍, 0💬

Running Open Babel on macOS
Where to find FAQ (Frequently Asked Questions) on running Open Babel on macOS? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on running Open Babel on macOS. Open Babel Installation Options on macOS Install Open Babel Binary Package on macOS Open...
2020-09-15, 380👍, 0💬

Introduction to Open Babel
Where to find FAQ (Frequently Asked Questions) on basic understanding of Open Babel, Chemistry Toolbox? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on basic understanding of Open Babel, Chemistry Toolbox. What Is Open Babel, Chemistry Toolbox ...
2020-05-21, 380👍, 0💬

Molecule FYI-1000182
Molecule Summary: ID: FYI-1000182 SMILES: COc2ccc(Cc1ccccc1)c(C)c2 Received at FYIcenter.com on: 2020-10-28
2020-11-22, 379👍, 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, 379👍, 0💬

Molecule FYI-1000172
Molecule Summary: ID: FYI-1000172 SMILES: COc1cc(/C=C/c2cc(/C=C/c3ccc(O) c(OC)c3)[nH]n2)ccc1OReceived at FYIcenter.com on: 2020-10-06
2020-10-10, 378👍, 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, 375👍, 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, 375👍, 0💬

"babel --append ..." Command - Calculate Molecule Properties
How to use "babel --append ..." command to calculate Molecule Properties? The "--append ..." option of the "babel" command can be used to copy existing molecule properties from the input data source, and append them to the "title" field of output molecules. But the "--append ..." option can also be ...
2020-12-26, 374👍, 0💬

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