MOPAC (Molecular Orbital PACkage) is a semiempirical quantum chemistry software package that enables simple and low-cost molecular modeling calculations. It supports various semiempirical models, including AM1, PM6, and PM7, along with features for implicit solvation via COSMO and fast closed-shell calculations using the MOZYME solver. Developed and maintained by The Molecular Sciences Software Institute since 1983, it serves researchers requiring efficient computational chemistry tools.

LLM mention score The LLM mention score is the total number of mentions of this brand in different LLM chatbots, normalized to the scale from 0 to 100. You can get actual, non-normalized numbers via the LLM Mention API from DataForSEO.

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count. 

How to get LLM mention data →
// Fetch MOPAC mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "MOPAC",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]