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3 votes
1 answer
159 views

Are there plans to support multiple molecules in the Molecule function?

I am playing around with Molecule to run simple optimization on several water molecules in a single frame. The Molecule function only seems to create coordinates for a single molecule to use in ...
bhopshang's user avatar
  • 739
6 votes
1 answer
152 views

Graph Convolution Network, molecule activity

I am trying to translate an example code for graph convolution network from Deep Learning for Physical Scientists: Accelerating Research with Machine Learning. Edward O. Pyzer-Knapp et. al. They have ...
bhopshang's user avatar
  • 739
1 vote
0 answers
140 views

Gaussian 16 fchk and log file import in mathematica

I am working with Gaussian log files and fchk files imported into Mathematica and I noticed a few things. The ExampleData in documentation for these files use Gaussian 03 output files, while the ...
bhopshang's user avatar
  • 739
0 votes
0 answers
113 views

Gay-Berne potential in Mathematica

Cross-posting from Physics SE. I am trying to make a plot of the Gay-Berne potential using Mathematica. I am following this paper and I am trying to recreate Fig. 2. This is figure 2: To save time, ...
megamence's user avatar
  • 101
2 votes
2 answers
419 views

Finding Temperature as function of pressure and entropy in Mathematica

While Mathematica's ThermodynamicData[] is very useful, is there a method in Mathematica to find Temperature as a function of Pressure and Entropy? ...
Chris B's user avatar
  • 111
1 vote
1 answer
113 views

List Contour plot

My data for List Contour plot ranges from -30 to 2500. The contour plot i am getting fails to distinguish the highest or the lowest ranges. How can i make it plot all the values with a colour? This is ...
Sangami Ganesan Santhi's user avatar
0 votes
0 answers
143 views

2d list contour plot

I have plotted a ListContour plot with a large set of data i have and most of the points do not seem to have a distinguised colour, i.e, the color function needs to be re-scaled for my data. How can i ...
Sangami Ganesan Santhi's user avatar
0 votes
2 answers
559 views

Contour plot a 2d array

I have the calculated data for an interaction potential. My variables are distances (48 values) and angles(15 values) and my energy data is a 2d matrix of 48 x 15 values. How do i plot the energy as a ...
Sangami Ganesan Santhi's user avatar
2 votes
1 answer
197 views

How do I make a general solver for a system of equations (e.g. thermodynamic processes) with different inputs and outputs?

Background Let's say I have a system of equations (e.g. thermodynamics equations), where the "knowns" and "unknowns" are subject to change, and the system of equations can also ...
Sterling's user avatar
  • 553
2 votes
0 answers
49 views

OscillatorStrength[Helium] and OscillatorStrength[Rubidium] do not return results

I am new to working with the Resonance Absorption Lines Pacgage << ResonanceAbsorptionLines` and trying to write code using the OscillatorStrength command. ...
cphys's user avatar
  • 161
1 vote
0 answers
37 views

Fitting Experimental Data To SRK-Type Equation of State. Minimization

I'm trying to find parameters to fit an EoS to saturation pressures to different temperatures. My experimental data are like this ...
Manuel Castillo's user avatar
5 votes
2 answers
117 views

Possible error in IsotopeData

I found 2 isotopes in Wolfram database which are marked as unstable, but their lifetime is indicated as infinite (germanium-76 and selenium-82). The following chunck of code illustrates the issue: <...
Igor Kotelnikov's user avatar
0 votes
0 answers
173 views

How to plot and simulate reaction networks in Mathematica?

I am trying to simulate reaction networks like it's done in the Simulation methods in this paper. They used Xcellerator, so I after installing on Mathmatica 11.2 and trying to run their Belousov-...
0x90's user avatar
  • 599
6 votes
1 answer
746 views

Maxwell construction problem with FindRoot

A Maxwell construction is just an integral of area and then solving for a root to find vapor pressure. This must be exactly the same value as where the Gibbs energy plot crosses at a point. I found ...
nufaie's user avatar
  • 1,081
10 votes
3 answers
990 views

DFT for Helium atom

I'm trying to solve this problem I'm not a Mathematica expert, but my program works perfect when vhartree={0,0,..,0} This is the program I wrote: ...
Niels's user avatar
  • 141

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