Table 4.
Structural features of less common E−E′−E″, E ⋯ E′−E″, or E−E′ ⋯ E″ trichalcogenides characterized by X-ray diffraction analysis.
| Compound reference code | E | E′ | E″ | d(E–E′)(Å) | d(E′–E″) (Å) | ∠E–E′–E″(°)(b) | References |
|---|---|---|---|---|---|---|---|
| BUWZUO | S | Se | S | 2.266(a) | 3.001(a) | 172.2(a) | [259] |
| CEQKUE | S | Se | S | 2.549 | 2.549 | 180.0 | [260] |
| CUNWAJ | S | Se | S | 2.534(a) | 2.534(a) | 180.0(a) | [261] |
| DUBKUG | S | Se | S | 2.846(a) | 2.295(a) | 173.7(a) | [262] |
| FIKYUT | S | Se | S | 2.467 | 2.371 | 170.0 | [251] |
| KARZIM | S | Se | S | 2.896(a) | 2.282(a) | 172.0(a) | [263] |
| SETIOP | S | Se | S | 2.446 | 2.446 | 169.7 | [264] |
| WAXMAJ | S | Se | S | 3.302(a) | 2.229(a) | 169.2(a) | [256] |
| ZZZELOW01 | S | Se | S | 3.341 | 2.210 | 169.6 | [257] |
| SOSNIX | S | Se | Se | 3.002(a) | 2.308(a) | 167.3(a) | [253] |
| SOSNOD | S | Se | Se | 2.977(a) | 2.312(a) | 167.3(a) | [253] |
| NPHSET | S | Se | Se | 2.244 | 3.492 | 165.4 | [254] |
| WADVOM | S | Se | Se | 2.223 | 2.985 | 168.6 | [255] |
| WAXMAJ | S | Se | Se | 2.189 | 3.404 | 165.9 | [256] |
| FIKYON | S | Se | Se | 2.508 | 2.472 | 171.3 | [251] |
| ZENJEH | S | Se | Se | 2.498 | 2.466 | 173.6 | [252] |
| FEZHIB | S | Te | Se | 3.163 | 2.536 | 167.9 | [162] |
| FEZHUN | S | Te | Se | 2.592 | 2.872 | 175.3 | [162] |
| FEZJEZ | S | Te | Se | 3.002(a) | 2.609(a) | 173.4(a) | [164] |
| JOXYIE | S | Te | Te | 3.508(a) | 2.734(a) | 170.4(a) | [162] |
| SISQUG | S | Te | Te | 2.473 | 3.347 | 169.2 | [163] |
| SEURBR | Se | Se | Se | 2.712 | 2.624 | 173.9 | [337] |
| SEURSL | Se | Se | Se | 2.664 | 2.634 | 168.3 | [339] |
| SECLUR | Se | Se | Se | 2.717 | 2.597 | 173.8 | [337] |
| BAWFUA | Se | Te | Te | 2.561 | 3.611 | 176.1 | [315] |
| YOMRIB | Se | Te | Te | 2.468 | 3.559 | 173.3 | [316] |
| ZONWOO | O | Se | Se | 2.427(d) | 2.391 | 165.0 | [357, 358] |
(a)Mean values. (b)The angle values are rounded off to the first decimal digit.
(c)Triselenourea dications with different counterions. (d) d(O ⋯ Se).