Chromophore IR shifts Flashcards

1
Q

Heteroannular diene

A

215nm

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2
Q

Homoannular diene

A

253nm

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3
Q

alkyl (alpha)

A

5nm

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4
Q

OR (alkoxy groups) (alpha)

A

6nm

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5
Q

X (halogens) (alpha)

A

10nm

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6
Q

OC (esters) (alpha)

A

0nm

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7
Q

Sulfide (alpha)

A

30nm

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8
Q

NR2 (amide) (alpha)

A

60nm

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9
Q

C=C (alpha)

A

30nm

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10
Q

Phenyl (alpha)

A

60nm

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11
Q

alkyl (beta)

A

12nm

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12
Q

OR (beta)

A

30nm

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13
Q

Cl (beta)

A

12nm

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14
Q

Br (beta)

A

30nm

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15
Q

OH (beta)

A

30nm

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16
Q

OC (ester) (beta)

A

6nm

17
Q

SR (sulfide) (beta)

A

85nm

18
Q

NR2 (amide) (beta)

A

95nm

19
Q

alkyl (delta)

A

18nm

20
Q

OR (delta)

A

30nm

21
Q

Cl (delta)

A

12nm

22
Q

Br (delta)

A

30nm

23
Q

OH (delta)

A

30nm

24
Q

OC (delta)

A

6nm

25
Q

C=C (delta)

A

30nm