Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Group contribution of vinyl caprolactam using the Hoy method
| Structure group | No. | FT, i (MJ/m3)½ mol−1 | Δ T, i (P) | V (cm3 mol−1) |
|---|---|---|---|---|
| >N– | 1 | 125 | 0.008 | 12.14 |
| –CO– | 1 | 538 | 0.04 | 17.3 |
| =CH– | 1 | 249 | 0.0185 | 13.18 |
| =CH2 | 1 | 259 | 0.018 | 19.17 |
| –CH2– | 5 | 269 | 0.02 | 15.55 |
| Ring (seven membered) | 1 | 92 | 0.007 | --- |
