A reader asked if it is possible to draw a molecular structure diagram similar to the one shown below in PPT. According to observation, this is a space-filling model of a small molecule, which can usually be drawn using ChemDraw software and then imported into Chem3D for more precise adjustments. However, for scientific research drawings, drawing directly in PPT is also a simple and beautiful choice. Here I will provide a general method. Due to limited time, this section is mainly for guiding ideas, for readers' reference only, I hope it will be helpful to you. !
Renderings (With and without shadows) :
Text:
1. How to draw the molecular structure of oxygen or nitrogen: Hold down the "Shift" key on the keyboard and drag the "Ellipse" tool (In the basic shape) To draw a perfect circle, set the "Shape Fill" to red, select "No Outline" for the "Shape Outline", and set the width and height of the circle to "3.6 cm"; hold down "Shift" and Drag the "Ctrl" key horizontally to copy another perfect circle; select the two circles, right-click and select "Group" to combine them together and add top and bottom edges to the smaller red circle (select "edge type" Circle"), set the width and height to "1.8 cm" (that is, half the diameter), and automatically convert to pounds after pressing Enter; set a rotation angle (here is 270 degrees on the Y axis) so that the two circles blend Integrated; further adjust the "Material" and "Light Source", and perform three-dimensional rotation to obtain a three-dimensional effect.
{That is: combination and rotation can be combined into one}
2. Promotion 1:Change the color to blue to represent nitrogen; set three rings (Ring, set "Shape Fill" to "No Fill Color", select a color for "Shape Outline"), set a certain depth in the three-dimensional format, select them all and combine them together, rotate the angle at any angle, and then adjust the "Material" and "Light Source", you can get an effect similar to the "Olympic Ring"; the drawing of hydrogen and carbon dioxide molecules is also similar.
Further optimization, add shadow effects as follows:
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