Provide a Structure That Is Consistent with the Data Below

question 5

Essay

Provide a structure that is consistent with the data below.
C₉H₉N
IR (cm^-1): 3050, 2950, 2240, 1630
¹H NMR ( d): 7.5 (2H, d), 7.1 (2H, d), 2.3 (2H, q), 0.9 (3H, t)
¹³C NMR (d ): 137 (s), 130, (s), 126 (d), 122 (d), 95 (s), 25 (t), 15 (q)

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Definitions:

Efficient Markets Hypothesis

A theory that asserts that financial markets are "informationally efficient", meaning that prices of securities fully reflect all available information at any point in time.

EMH

Efficient Market Hypothesis, a theory that suggests all available information is already reflected in stock prices, hence making it difficult to achieve consistently higher returns.

Geometric Average

The geometric average is a method of calculating the mean that mitigates the impact of extreme values in a data set, commonly used in calculating investment returns.

Historical Record

Documentation or an account of past events, actions, or operations, serving as evidence or information about previous occurrences.