please identify

1) elemental composition

2) Empirical formula

3) Molecular weight

4) Molecular formula

5) Functional groups present based on IR

6) Number of different protons attached to each based on 13-C-NMR

7) (H-NMR) how many signals, their chemical shifts, integration, splitting, and number of neighboring protons)

This compound is a neutral, low-melting solid (melting point 5052C ). The Mass, IR,1HNMR,- and 13 C NMR spectra are given below. Elemental Analysis: C 54.90%;H4.61%; N 9.15%; O 31.34%