4 Pentacarbonyl iron (0), Fe(CO)s, was refluxed for 40h with an equal volume of dicyclopentadiene, C₁0H₁. The volatile material was removed in vacuum, and a crystalline compound was obtained by recrystallization of the residue. The molecular weight was determined by freezing point depression in benzene to be approximately 368 g/mole. Elemental analysis proved the following data: C: 47.55; H: 2.85; Fe: 31.52. The IR spectrum is shown below. Suggest a structure for the compound.

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O: 18.08

4 Pentacarbonyl iron (0), Fe(CO)5, was refluxed for 40h with an equal volume of
dicyclopentadiene, C₁0H₁ The volatile material was removed in vacuum, and a
crystalline compound was obtained by recrystallization of the residue. The molecular
weight was determined by freezing point depression in benzene to be approximately
368 g/mole. Elemental analysis proved the following data: C: 47.55; H: 2.85; Fe: 31.52.
The IR spectrum is shown below. Suggest a structure for the compound.
4000 3000
Cm-1
1500
2000
1000
800
100
80---
60
40
20+
9
on
8
10
Wavelength, microns
11 12
13
Transcribed Image Text:4 Pentacarbonyl iron (0), Fe(CO)5, was refluxed for 40h with an equal volume of dicyclopentadiene, C₁0H₁ The volatile material was removed in vacuum, and a crystalline compound was obtained by recrystallization of the residue. The molecular weight was determined by freezing point depression in benzene to be approximately 368 g/mole. Elemental analysis proved the following data: C: 47.55; H: 2.85; Fe: 31.52. The IR spectrum is shown below. Suggest a structure for the compound. 4000 3000 Cm-1 1500 2000 1000 800 100 80--- 60 40 20+ 9 on 8 10 Wavelength, microns 11 12 13
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