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Partial charges: read every scheme ORCA, Gaussian and NWChem provide, and show them like Mulliken

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還沒有人認領這個 Issue。

評估

難度
5/5
預估耗時
一週以上
新手友好度
30/100
Issue 類型
功能
描述清晰度
基本清楚
活躍度
活躍
技術堆疊
c
領域
data

研究方向

Start by tracing how Mulliken and ESP charges are parsed into the per-atom tables and displayed through data/client/config/PropertyPanelDescriptor.xml. Then add support in the listed order, checking each parser against real ORCA, Gaussian, and NWChem outputs and verifying that the atomic charges sum to the total charge. The issue also proposes a unified scheme selector, comparison table, and comparable colour scales.

由索引模型根據 Issue 內容生成。

描述

Requested for research use (partial charges). Today ECCE reads Mulliken (NWChem, ORCA, Gaussian, MOPAC, ECCE-QM), ESP fits (NWChem esp, Gaussian MK/CHELPG) and ORCA CHELPG when requested. Everything else the codes provide is ignored.

Not read yet

Scheme ORCA Gaussian 16 NWChem
Löwdin printed by default — printed on request
Mayer (atomic charge, bond orders) printed by default "Do Mayer BO" offered, output not read —
Hirshfeld ! Hirshfeld Pop=Hirshfeld —
CM5 — with Pop=Hirshfeld —
MBIS ! MBIS (ORCA 5+) — —
NPA (NBO) with NBO Pop=NBO6 already offered, NPA not read via NBO's file
APT — printed with Freq —

Order (cheapest first):

  1. Read what is printed already: ORCA Löwdin and Mayer, Gaussian NPA (already requestable) and APT.
  2. Offer and read Hirshfeld (ORCA, Gaussian), CM5 (Gaussian), MBIS (ORCA) in the Calculation Editor.
  3. NWChem Löwdin; NBO for ORCA and NWChem if the NBO program is available.

Display: the general PartialCharges panel (table, colour scale, atoms coloured by charge; used for ESPCHARGE) can show each new property by declaring it in data/client/config/PropertyPanelDescriptor.xml (group Charges, class PartialCharges), as long as the parse scripts store the same per-atom table. On top of that:

  • one "Atomic charges" entry with a scheme choice, instead of one menu entry per scheme;
  • a comparison table (atoms × schemes), optionally a plot of charge per atom for each scheme;
  • the same, optionally fixed, colour scale across schemes so colours are comparable.

Verification: each scheme checked against a real output of that code (water, a small ion pair, a transition-metal complex), with sums matching the total charge, as in the teaching set.

主要語言
C
星號
10
分支
8
平均合併
21 分鐘
30 天內合併 PR
1

環境準備

這個專案沒有提供開發容器、Dockerfile 或貢獻指南,環境需要你自己搭建:先看它的 README,通用步驟見我們的新手貢獻指南。

從這裡開始

  1. 先讀完整個 Issue,再讀專案的貢獻指南。
  2. 在 Issue 下留言說明你要接手 —— 這能避免兩個人做同樣的事。
  3. Fork 儲存庫,在一個分支上完成修改。
  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

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