Some OWLv2 questions require you use the ChemDoodle Sketcher tool to draw a model of a molecule.

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ChemDoodle Sketcher lets you draw the structural formula of a molecule by adding atoms, bonds, and rings to your model using the buttons at the top.

A question might begin with the ChemDoodle Sketcher displaying a single atom, an undefined dot, or a model that is nearly complete for you to finish.

• ChemDoodle 2D contains thousands of chemistry features, helping you produce the highest quality graphics and saving you hours of work. We spend a very long time scrutinizing the graphics output in ChemDoodle. The software automatically orients bonds in the correct directions, merges bond strokes together, places attributes in the best locations.
• A brief interface overview of ChemDoodle 5. Learn the basics of ChemDoodle 5 and how to easily create molecules.www.ichemlabs.comwww.chemdoodle.com@ichemlabs.
• ChemDoodle 2D provides an industry leading stoichiometry table. This stoichiometry table is a form where you input theoretical and experimental values from your experiment and you will get accurate calculations for your input and results. ChemDoodle 2D's stoichiometry tables are fully chemically aware and are self-calculating.

1. Draw the structural formula.To do this

   Do this
   Add atoms	Click the down arrow next to the element button. Select an element. Choose from the displayed options, or click to choose from the periodic table. Click an existing element in ChemDoodle Sketcher and drag away. The selected element is added to the structual formula.
   Change the charge of an atom	Click the down arrow next to the attributes button. Click to increase the charge, or to decrease the charge. Click an atom.
   Add or remove a lone pair	Click the down arrow next to the attributes button. Click to add a lone pair, or to remove a lone pair. Click an atom.
   Add or remove a radical	Click the down arrow next to the attributes button. Click to add a radical, or to remove a radical. Click an atom.
   Label an atom with an asterisk	Click the down arrow next to the attributes button. Click . Click an atom.
   Designate an atom as an R group	Click the down arrow next to the attributes button. Click . Click an atom. Enter a positive integer in the Input window.
   Draw bonds	To draw a bond with carbon at the other end: Select a bond type. Click an existing atom. To draw a bond with an element other than carbon at the other end: Note This can only be done with single bonds, but you can edit the bond later. Select the single bond. Select an element. Click and drag away from an existing atom.
   Draw rings	Select a ring type. Click an atom or pair of atoms.
   Enclose a region with brackets	Click . Click and drag to select the region to enclose with brackets. Use the three sets of arrows around the brackets to define the following values: Charge amount: top-right arrows Repeat count: bottom-right arrows Multiple count: center-left arrows

2. Edit the structural formula.To do this

   Do this
   Edit atoms	Click the down arrow next to the element button. Select an element. Choose from the displayed options, or click to choose from the periodic table. Click an element in ChemDoodle Sketcher to set it to the selected element.
   Edit bonds	Select a bond type. Click an existing bond.
   Move objects	Click . Click and drag an object.
   Erase an object	Click . Click an object.
   Undo your last action	Click .
   Redo your last action	Click .
   Clear all objects	Click .

3. Click Submit Answer.

Example

Instructions:

Draw a complete structure for a molecule with the molecular formula CH₄S.

• Explicitly draw all H atoms.
• In cases where there is more than one answer, just draw one.

Answer:

1. Click , and click the carbon atom.
2. Open the dropdown menu next to the element button, and select S.
3. Click the new carbon atom to change it to an sulfur atom.
4. Click , and click the sulfur atom.
5. Open the Set Label dropdown menu and select H.
6. Click the new carbon atom to change it to a hydrogen atom.
7. Click , and click the carbon atom.
8. Select H, and click the new carbon atom.
9. Click , and click the carbon atom.
10. Select H, and click the new carbon atom.
11. Click , and click the carbon atom.
12. Select H, and click the new carbon atom.

Straightforward application that makes it easy for you to draw chemical schemes and interact with chemical data through a user-friendly interface

What's new in ChemDoodle 9.1.0:

• Features:
• Mass numbers now show relative abundance values in parenthesis for naturally occurring isotopes when setting this value in the right-click menu for atoms.
• A new option, Selection Tools Auto-select Last Object is now present in General Preferences to disable the automatic selection of content when a selection tool is activated.

ChemDoodle is a streamlined chemical publishing application that makes it easy for you to draw chemical graphics and schemas, as well as interact with chemical data.Looking at ChemDoodle’s interface, you can easily tell that it is a feature rich application, designed to provide you with all the tools you need in order to study chemical phenomena.

Easy to use application for the Mac designed to help you study chemical phenomena

Within its main window, you can quickly access all of its main features and tools without having to jump hurdles in the process, because all you need for creating and publishing your chemical projects is within your mouse's reach every time.

Speaking of tools and features, ChemDoodle certainly doesn’t disappoint and provides you with a plethora of chemistry related tools. A worth-mentioning feature is the fact that ChemDoodle supports spectroscopy interactions, and can help you simulate mass spectrometry and nuclear magnetic resonance spectroscopy.

Advanced chemical calculator functions and spectroscopy tools

On the technical side of things, ChemDoodle also features advanced calculator functions that enable you to calculate chemical elements’ properties, molecular masses and formulas, melting and boiling points, as well as bond distance matrices and isotopic distributions.

Also noteworthy is that ChemDoodle makes it easy for you to import or export a wide array of chemical file formats because it comes with inbuilt support for ChemDraw, ISIS/Sketch, ChemSketch, MarvinSketch, MoLfiles, CML, SMILES, InChlm PDB, and many others.

Works on all popular operating systems and supports most common chemical file types

Another plus is the fact that you can paste vector graphics created using ChemDoodle within documents Microsoft Office, iWork, OpenOffice and Adobe documents. Moreover, ChemDoodle is a cross-platform application that should work great on most modern operating systems, such as Mac OS X, Windows, or Linux.

Taking all things into consideration,ChemDoodble is a complex application that has great academic potential, with intricate chemistry design capabilities and lots of useful design tools.

Filed under

• 14 days trial
• Documents show a watermark at the top and will render a background texture.
• The Save..., Save as Image... and Convert... functions are disabled.
• Only images and ChemDoodle data can be pasted from ChemDoodle.
• All copied and printed content will contain a watermark.
• Templates cannot be saved.
• Certain ChemDoodle Web Components functions are disabled (such as PDB file optimization).

Chemdoodle 3d

• A minimum of 1 GB of memory
• 64-bit processor

ChemDoodle 9.1.0

runs on:

OS X 10.10 or later (Intel only)

file size:

134.2 MB

filename:

ChemDoodle-osx-9.1.0.dmg

main category:

Math/Scientific

developer:

visit homepage

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