Insert (A-level) : Paper 1 Inorganic and physical ...

A-level CHEMISTRY

7405

Data Booklet

This Data Booklet is provided with AQA A-level Chemistry question papers.

IB/M/Insert to A-level Chemistry/E8

7405

Table A Infrared absorption data

Bond

N H (amines) O H (alcohols) C H O H (acids) C N C O C C C O C C

Wavenumber /cm?1

3300 ? 3500

3230 ? 3550

2850 ? 3300 2500 ? 3000

2220 ? 2260 1680 ? 1750 1620 ? 1680 1000 ? 1300

750 ? 1100

3 Data Sheet

Table B 1H NMR chemical shift data

Type of proton

ROH RCH3 RNH2 R2CH2 R3CH

/ppm

0.5 ? 5.0 0.7 ? 1.2 1.0 ? 4.5 1.2 ? 1.4 1.4 ? 1.6

RC C OH

2.1? 2.6

ROC H

RCH2Cl or Br

3.1 ? 3.9 3.1 ? 4.2

RCO C

O

H

R

H

CC

O RC

H O RC OH

3.7 ? 4.1 4.5 ? 6.0 9.0 ? 10.0 10.0 ? 12.0

Table C 13C NMR chemical shift data

Type of carbon

/ppm

CC

5 ? 40

R C Cl or Br

10 ? 70

RCC O

20 ? 50

RCN

CO CC

alcohols, ethers or esters

25 ? 60 50 ? 90 90 ? 150

RC N

RC O

RC O

esters or acids

aldehydes or ketones

110 ? 125 110 ? 160 160 ? 185

190 ? 220

4

Phosphate and sugars

OH OPO

OH

phosphate

CH2OH

H H OH

OH H

HO

OH

H

OH

glucose

HOCH2 O

OH

H H

H H

OH H

2-deoxyribose

Bases

NH2

N

N

N

N H

adenine

O

HN

N

H2N

N

N H

guanine

NH2 N

N

O

H

cytosine

O H3C

NH

N

O

H

thymine

Amino acids

H2N CH COOH CH3

alanine

H2N CH COOH CH2 CH2 CH2 CH2 NH2

H2N CH COOH CH2 COOH

aspartic acid

H2N CH COOH CH2

H2N CH COOH CH2 SH

cysteine

H2N CH COOH CH2 OH

Haem B

lysine

phenylalanine

serine

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