, gives
the knowledge about the
Spectroscopy
molecular structure .
elements
compound X--Types of
↓ No
of elements
-
.
Molecular formula -
Type of bond
↓ -
Functional
group
structural formula-Conjugation
It is based on
different electromagnetic radiations
of light.
Organic Spectroscopy
It is interaction matter with
the
study of of
suitable radiations .
A
L
Wavelength 3
1016
100 co
2
I of 106 108 10 101 I
X-rays X-rays uV Visible IR Micro Radio Waves
waves
rays light
VI Ba YOR
(It studies the change happening in the compound de
to radiation to understand about its structure)
,Basic Techniques of Spectroscopy (Spectrum Techniques
>
-
UV-visible
>
-
IR
>
- Raman
Spectroscopy (Rotational- Vibrational spectroscopy)
>
-
Microwave
Spectroscopy (rotational spectroscopy)
UV
,
IR and micro are
absorption techniques
Whereas Raman
spectroscopy is
scattering technique
.
scattering
↑
> compound X - Transmission
↓L Absorption
There 3 tilings are possible if we pass E .
.
M
radiation through a .
compound
, Spectra
-
The change or
frequency of e m
.
.
energy
radiation emitted or absorbed can be recorded
the help of instrument which is
(spectra) with ,
known as spectrophotometer
.
Types of energy -
change
can neglected
be
Etotal =
Etranslational t E vibrational
,
E rotational
-
-
t
Felectronic
-
Types of Spectra
-
① Pure Rotational
② Vibrational Rotational
③ Electronic Band Spectra
Rotational Spectra-
It the transition
originates from
·
w -
between
vibration
rotational
level in
levels
an
of a
electronic
given
state
.
It is a measurement of the
energy
transitions
between rotational states of molecules in a .
gas
It is observed in microwave or
far infrared regions
.
the knowledge about the
Spectroscopy
molecular structure .
elements
compound X--Types of
↓ No
of elements
-
.
Molecular formula -
Type of bond
↓ -
Functional
group
structural formula-Conjugation
It is based on
different electromagnetic radiations
of light.
Organic Spectroscopy
It is interaction matter with
the
study of of
suitable radiations .
A
L
Wavelength 3
1016
100 co
2
I of 106 108 10 101 I
X-rays X-rays uV Visible IR Micro Radio Waves
waves
rays light
VI Ba YOR
(It studies the change happening in the compound de
to radiation to understand about its structure)
,Basic Techniques of Spectroscopy (Spectrum Techniques
>
-
UV-visible
>
-
IR
>
- Raman
Spectroscopy (Rotational- Vibrational spectroscopy)
>
-
Microwave
Spectroscopy (rotational spectroscopy)
UV
,
IR and micro are
absorption techniques
Whereas Raman
spectroscopy is
scattering technique
.
scattering
↑
> compound X - Transmission
↓L Absorption
There 3 tilings are possible if we pass E .
.
M
radiation through a .
compound
, Spectra
-
The change or
frequency of e m
.
.
energy
radiation emitted or absorbed can be recorded
the help of instrument which is
(spectra) with ,
known as spectrophotometer
.
Types of energy -
change
can neglected
be
Etotal =
Etranslational t E vibrational
,
E rotational
-
-
t
Felectronic
-
Types of Spectra
-
① Pure Rotational
② Vibrational Rotational
③ Electronic Band Spectra
Rotational Spectra-
It the transition
originates from
·
w -
between
vibration
rotational
level in
levels
an
of a
electronic
given
state
.
It is a measurement of the
energy
transitions
between rotational states of molecules in a .
gas
It is observed in microwave or
far infrared regions
.
