| Nom (anglais): | CJK Unified Ideograph-5F1B[1] | 
| Version Unicode: | 1.1 (juin 1993)[2] | 
| Bloc: | Idéogrammes unifiés CJC, U+4E00 - U+9FFF[3] | 
| Plan: | Plan multilingue de base, U+0000 - U+FFFF[3] | 
| Écriture: | idéogrammes han (sinogrammes) (Hani) [4] | 
| Catégorie: | Lettre, autre (Lo) [1] | 
| Classe bidirectionelle: | Gauche-à-droite (L) [1] | 
| Classe de liaison: | Non réordonné (0) [1] | 
| Caractère miroir: | Non [1] | 
| Entité HTML: | 
 | 
| Encodage UTF-8: | 0xE5 0xBC 0x9B | 
| Encodage UTF-16: | 0x5F1B | 
| Encodage UTF-32: | 0x00005F1B | 
| kCowles | 527 | 
| kDaeJaweon | 0673.140 | 
| kFennIndex | 453.08 | 
| kGSR | 0004a' | 
| kHanYu | 20991.130 | 
| kIRGDaeJaweon | 0673.140 | 
| kIRGDaiKanwaZiten | 09724 | 
| kIRGHanyuDaZidian | 20991.130 | 
| kIRGKangXi | 0357.060 | 
| kKangXi | 0357.060 | 
| kKarlgren | 223 | 
| kMatthews | 5767 | 
| kMeyerWempe | 259 | 
| kMorohashi | 09724 | 
| kNelson | 1564 | 
| kSBGY | 245.42 | 
| kCantonese | ci2 ci4 | 
| kDefinition | loosen, relax, unstring a bow | 
| kHangul | 이:0N | 
| kHanyuPinyin | 20991.130:chí | 
| kJapaneseKun | YURUMU | 
| kJapaneseOn | SHI CHI | 
| kKorean | I | 
| kMandarin | chí | 
| kXHC1983 | 0143.090:chí |