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The dataset generation failed
Error code: DatasetGenerationError
Exception: ArrowNotImplementedError
Message: Cannot write struct type 'elements_vars' with no child field to Parquet. Consider adding a dummy child field.
Traceback: Traceback (most recent call last):
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1870, in _prepare_split_single
writer.write_table(table)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 620, in write_table
self._build_writer(inferred_schema=pa_table.schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 441, in _build_writer
self.pa_writer = self._WRITER_CLASS(self.stream, schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/pyarrow/parquet/core.py", line 1010, in __init__
self.writer = _parquet.ParquetWriter(
File "pyarrow/_parquet.pyx", line 2157, in pyarrow._parquet.ParquetWriter.__cinit__
File "pyarrow/error.pxi", line 154, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 91, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: Cannot write struct type 'elements_vars' with no child field to Parquet. Consider adding a dummy child field.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1886, in _prepare_split_single
num_examples, num_bytes = writer.finalize()
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 639, in finalize
self._build_writer(self.schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/arrow_writer.py", line 441, in _build_writer
self.pa_writer = self._WRITER_CLASS(self.stream, schema)
File "/src/services/worker/.venv/lib/python3.9/site-packages/pyarrow/parquet/core.py", line 1010, in __init__
self.writer = _parquet.ParquetWriter(
File "pyarrow/_parquet.pyx", line 2157, in pyarrow._parquet.ParquetWriter.__cinit__
File "pyarrow/error.pxi", line 154, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 91, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: Cannot write struct type 'elements_vars' with no child field to Parquet. Consider adding a dummy child field.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1417, in compute_config_parquet_and_info_response
parquet_operations = convert_to_parquet(builder)
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1049, in convert_to_parquet
builder.download_and_prepare(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 924, in download_and_prepare
self._download_and_prepare(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1000, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1741, in _prepare_split
for job_id, done, content in self._prepare_split_single(
File "/src/services/worker/.venv/lib/python3.9/site-packages/datasets/builder.py", line 1897, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
doi string | paragraph_string string | reaction dict | reaction_string string | target dict | targets_string string | precursors list | solvents_string sequence | operations list | quantities list | type string |
|---|---|---|---|---|---|---|---|---|---|---|
10.1016/j.materresbull.2006.03.011 | La4Ti9O24 compounds with various degrees of Pb2+ a<...>meter (ICP) to check the stoichiometry (Table 2 ). | {
"left_side": [
"La(NO3)3·6H2O",
"TiCl4"
],
"right_side": [
"La4Ti9O24"
]
} | TiCl4 + La(NO3)3·6H2O -> La4Ti9O24 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | La4Ti9O24 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": null,
"temperature": null,
"time": null
},
"string": "maintained",
"type": "HeatingOperation"
},
{
"conditions": {
"atmosphere": [
"air"
],
"mixing_device": nu... | [
{
"material": "water",
"quantity": [
{
"number": 0.1,
"unit": "M"
}
]
}
] | precipitation |
10.1016/j.apcata.2012.04.027 | The anatase TiO2 support was obtained by adding 0.<...> flowing air. The BET surface area is 77.1 m2 g−1. | {
"left_side": [
"TiCl4"
],
"right_side": [
"TiO2"
]
} | TiCl4 -> TiO2 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | TiO2 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water",
"water"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"water"
],
"temperature": null,
"time": null
},
"string": "adding",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": null,... | [
{
"material": "TiCl4",
"quantity": [
{
"number": 0.125,
"unit": "mol"
}
]
},
{
"material": "water",
"quantity": [
{
"number": 0.5,
"unit": "L"
}
]
},
{
"material": "NH3·H2O",
"quantity": [
{
"number": 2,
... | precipitation |
10.1063/1.4967923 | The precursor salts, cobalt chloride (CoCl2, 6H2O)<...>−↔ FeOOH+ H2O, Co(OH)2+2FeOOH → CoFe2O4+ 2H2O+ H+. | {
"left_side": [
"CoCl2",
"FeCl3"
],
"right_side": [
"CoFe2O4"
]
} | FeCl3 + CoCl2 -> CoFe2O4 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | CoFe2O4 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"ethylene glycol",
"ethanol",
"ethanol",
"ethylene glycol"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"ethylene glycol"
],
"temperature": null,
"time": null
},
"string": "dissolved",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_d... | [
{
"material": "CoCl2",
"quantity": [
{
"number": 0.721,
"unit": "g"
}
]
},
{
"material": "FeCl3",
"quantity": [
{
"number": 1.638,
"unit": "g"
}
]
},
{
"material": "urea",
"quantity": [
{
"number": 1.06,
... | hydrothermal |
10.1039/c7nr01644a | For the growth of ZnCo2O4 NRs, H:ZnO NR samples we<...>e used for the growth of ZnCo2O4 NRs on H:ZnO NRs. | {
"left_side": [
"Co(NO3)3·6H2O",
"Zn(NO3)2·6H2O"
],
"right_side": [
"ZnCo2O4"
]
} | Zn(NO3)2·6H2O + Co(NO3)3·6H2O -> ZnCo2O4 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | ZnCo2O4 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"zinc nitrate hexahydrate"
],
"temperature": null,
"time": null
},
"string": "dipped",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mi... | [
{
"material": "zinc nitrate hexahydrate",
"quantity": [
{
"number": 1,
"unit": "mmol"
}
]
},
{
"material": "cobalt nitrate hexahydrate",
"quantity": [
{
"number": 2,
"unit": "mmol"
}
]
},
{
"material": "urea",
"quantity"... | hydrothermal |
10.1039/c3ce00037k | All chemicals were of analytical grade and purchas<...>tions were kept the same as the typical synthesis. | {
"left_side": [
"C6H9NO",
"CH4N2S",
"Cu(NO3)2·3H2O"
],
"right_side": [
"Cu39S28"
]
} | Cu(NO3)2·3H2O + CH4N2S + C6H9NO -> Cu39S28 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | Cu39S28 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"N, N-dimethyl formamide"
],
"temperature": null,
"time": null
},
"string": "dissolved",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"... | [
{
"material": "Cu(NO3)2·3H2O",
"quantity": [
{
"number": 2,
"unit": "mmol"
}
]
},
{
"material": "thiourea",
"quantity": [
{
"number": 2,
"unit": "mmol"
}
]
},
{
"material": "N, N-dimethyl formamide",
"quantity": [
... | hydrothermal |
10.1039/c2ce25512j | The reagents were analytical grade and used withou<...>d finally dried in a vacuum oven at 60 °C for 3 h. | {
"left_side": [
"AgNO3",
"La(NO3)3·6H2O",
"N2H4·H2O",
"Na2TeO3",
"Pb(CH3COO)2·3H2O"
],
"right_side": [
"AgPb10LaTe12"
]
} | La(NO3)3·6H2O + Na2TeO3 + Pb(CH3COO)2·3H2O + AgNO3 + N2H4·H2O -> AgPb10LaTe12 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | AgPb10LaTe12 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water",
"ethanol"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": null,
"temperature": null,
"time": null
},
"string": "added",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media":... | [
{
"material": "polyvinylpyrrolidone",
"quantity": [
{
"number": 0.2,
"unit": "g"
}
]
},
{
"material": "silver nitrate",
"quantity": [
{
"number": 0.12,
"unit": "mmol"
}
]
},
{
"material": "lead acetate trihydrate",
"quan... | hydrothermal |
10.1007/s10854-016-5792-7 | In this study, the synthesis of EuVO4 was performe<...>sphere. Reaction conditions are listed in Table 1. | {
"left_side": [
"Eu(NO3)3·6H2O",
"NH4VO3"
],
"right_side": [
"EuVO4"
]
} | Eu(NO3)3·6H2O + NH4VO3 -> EuVO4 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | EuVO4 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"water"
],
"temperature": null,
"time": null
},
"string": "dissolved",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": nu... | [
{
"material": "Ammonium metavanadate",
"quantity": [
{
"number": 1,
"unit": "mmol"
}
]
},
{
"material": "Eu(NO3)3·6H2O",
"quantity": [
{
"number": 1,
"unit": "mmol"
}
]
},
{
"material": "water",
"quantity": [
{
... | precipitation |
10.1016/j.jssc.2008.06.049 | A 7.2 M NH4OH solution was added to a 0.5 M aqueou<...>400, 600, 800 °C) for 6 h under air was performed. | {
"left_side": [
"Fe(NO3)3·9H2O"
],
"right_side": [
"Fe2O3"
]
} | Fe(NO3)3·9H2O -> Fe2O3 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | Fe2O3 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"Fe(OH)3"
],
"temperature": null,
"time": null
},
"string": "added",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": null... | [
{
"material": "NH4OH",
"quantity": [
{
"number": 7.2,
"unit": "M"
}
]
},
{
"material": "iron nitrate",
"quantity": [
{
"number": 0.5,
"unit": "M"
}
]
}
] | precipitation |
10.1016/j.jpowsour.2013.01.021 | To prepare a concentration-gradient cathode materi<...> form the concentration-gradient cathode material. | {
"left_side": [
"(Mn1/3N1/3Co1/3)CO3",
"CoSO4",
"Li2CO3",
"MnSO4",
"NiSO4"
],
"right_side": [
"Li1.13(Mn0.534Ni0.233Co0.233)0.87O2"
]
} | Li2CO3 + NiSO4 + MnSO4 + CoSO4 + (Mn1/3N1/3Co1/3)CO3 -> Li1.13(Mn0.534Ni0.233Co0.233)0.87O2 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | Li1.13(Mn0.534Ni0.233Co0.233)0.87O2 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": null,
"temperature": null,
"time": null
},
"string": "stirred",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media... | null | precipitation |
10.1039/C2AN35259A | 2.3.1 Preparation of superparamagnetic Fe3O4 parti<...>finally drying in a vacuum oven at 60 °C for 24 h. | {
"left_side": [
"FeCl3·6H2O",
"FeSO4·7H2O"
],
"right_side": [
"Fe3O4"
]
} | FeSO4·7H2O + FeCl3·6H2O -> Fe3O4 | {
"additives": [],
"amounts_vars": {
"a": null,
"b": null,
"c": null,
"d": null,
"f": null,
"g": null,
"h": null,
"i": null,
"k": null,
"l": null,
"m": null,
"n": null,
"p": null,
"q": null,
"r": null,
"s": null,
"t": null,
"u": null,
"w": ... | Fe3O4 | [
{
"additives": [],
"amounts_vars": {
"a": null,
"c": null,
"d": null,
"h": null,
"i": null,
"m": null,
"n": null,
"p": null,
"q": null,
"s": null,
"t": null,
"u": null,
"w": null,
"x": null,
"y": null,
"z": null
... | [
"water",
"water"
] | [
{
"conditions": {
"atmosphere": null,
"mixing_device": null,
"mixing_media": [
"water"
],
"temperature": null,
"time": null
},
"string": "dissolved",
"type": "MixingOperation"
},
{
"conditions": {
"atmosphere": null,
"mixing_device": nu... | [
{
"material": "FeCl3·6H2O",
"quantity": [
{
"number": 5,
"unit": "g"
}
]
},
{
"material": "water",
"quantity": [
{
"number": 30,
"unit": "mL"
}
]
},
{
"material": "hydrazine hydrate",
"quantity": [
{
"numbe... | precipitation |
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