Crystal structure of (1,3-di-tert-butyl- η 5-cyclopentadienyl)trimethylhafnium(IV)
<|begin_of_text|><|start_header_id|>system<|end_header_id|> You are a research archivist expert in dataset metadata. Answer the question truthfully.  <|eot_id|><|start_header_id|>user<|end_header_id|> Here is the Description of a dataset. Description:'The molecule of the title organometallic hafnium(IV) compound, [Hf(CH3) 3(C 13H 21)] or [HfMe3( η 5-C 5H 3-1,3- tBu 2)], adopts the classical three-legged piano-stool geometry for monocyclopentadienylhafnium(IV) derivatives with the three methyl groups bonded to the Hf(IV) atom at the legs. The C atoms of the two tert-butyl group bonded to the cyclopentadienyl (Cp) ring are 0.132 (5) and 0.154 (6) Å above the Cp least-squares plane. There are no significant intermolecular interactions present between the molecules in the crystal structure' . Please return only a json list of at most 3 Keywords corresponding to the Description:.<|eot_id|><|start_header_id|>assistant<|end_header_id|> {"Answer" : ["Crystal structure","Cyclopentadienyl ligand","Hafnium","Organometallic compound."]} <|eot_id|>
 Here is the Description of a dataset. Description:'The molecule of the title organometallic hafnium(IV) compound, [Hf(CH3) 3(C 13H 21)] or [HfMe3( η 5-C 5H 3-1,3- tBu 2)], adopts the classical three-legged piano-stool geometry for monocyclopentadienylhafnium(IV) derivatives with the three methyl groups bonded to the Hf(IV) atom at the legs. The C atoms of the two tert-butyl group bonded to the cyclopentadienyl (Cp) ring are 0.132 (5) and 0.154 (6) Å above the Cp least-squares plane. There are no significant intermolecular interactions present between the molecules in the crystal structure' . Please return only a json list of at most 3 Keywords corresponding to the Description:.
The molecule of the title organometallic hafnium(IV) compound, [Hf(CH3) 3(C 13H 21)] or [HfMe3( η 5-C 5H 3-1,3- tBu 2)], adopts the classical three-legged piano-stool geometry for monocyclopentadienylhafnium(IV) derivatives with the three methyl groups bonded to the Hf(IV) atom at the legs. The C atoms of the two tert-butyl group bonded to the cyclopentadienyl (Cp) ring are 0.132 (5) and 0.154 (6) Å above the Cp least-squares plane. There are no significant intermolecular interactions present between the molecules in the crystal structure
Crystal structure; Cyclopentadienyl ligand; Hafnium; Organometallic compound.