, How to draw skeletal structure or bondline notation
Skeletal Structure of Ex : Butane, , CyH, o
organic molecules :
-
simple quick way to represent,
condensed
organic molecules CHy CHy CHzCHz
Organic molecules : C , H 0 N S , P , , ,
Lewis structure
carbon
H 시 o 시
Sp3 hybridized
… ㅣ
-
θ
H ー
E ーレ -
C ー
C -
H
℃ -
4 valence electrons A ↓ , *
∞
-
can bind with 4 bonds
Skeletal Structure -
SIMPLE
understanding Skeletal
Structures
-
no It bonds shown on C
-
only show bonds between atoms -
Carbon is central atom
-
other atoms
(non C, H) ↳ sp3 hybridized , 109 5 . bond
angle, retrahedral shape
ㅐ H H H
( H
… H
EX: H
? H 해 ∅ ㎡
454245
- -
니
ㅐ 「
ㅐ HH 시
M C
c 、 ー G
↑
-
+
ず 뙈
씨 C E away
{
^
님 :
를
\
태
” "1
∞ ㅐ
ー
X
C ㅐ
H I
。 θ ~ ㉚
t
forward
'
bonds ma
-we know
hydrogen are
bond
: can
freely
there but we don't have to show
rotate
5
Z y
them ㅣ
M =
.
ヘ -
same molecule
-
s s }
EX : Pentane
대3
, 대 능시랍소
사
, EX : cyclo nexane
4 -count when you
to
\
3 S
but your pen 때 ≤H
쨉
paper
lけ
-
always # to check work cw
"
[
'. "
H …
↓ ㅐ
Double Bonds-sp2-120 Triple Bond-sp-180 working Backwards :
:
= linear
ㅐ
ㅐ
ㅐ
E
[
H H
nt
( - -
EX : Trans-2-but ene H ー
E ー
C ≡ E -
-
H H H
戎
ㅐ
" ㅐ
-
\
' ㅣ
M i -
ㅣ
ㅐ ㅐ ㅐ
e
yrm
- c
a
o
-
u
ㆁ
,
-
'
↓ :
Yc "
" ㅐ
2-butyne ㅐ
' .
∅
. ㅐ
:
…
"
'
" " " ↓
f
i · = อ σ
니
…
Now c/H atoms :
Ethanol Now Hatom : Butanamide
H Q
Vews
H H H H
\
↓ "
' " ④
…
H설
답다다다 -
- 」
+ c e o l λ
-
-
-
… 에
H H
∆
山
, What is Resonance ? reasonace-back and forth
-
NO5 Lewis Structure curved Arrows
_
-
moves Ielec .
(r
tail moves
-Knead
-
:อ erectrong
언
ta品
↓
∴
θ
ves . =
radical arrow
≈
운 Resonance Hybrid
+
N
Patterns
℃∴
系品
ㅇ
Key Arrow
θ
1 .
Negative electrons
in내
EX :
"…
용 ←,
I only ever more electrons , Conepairs or selections
i
:Oi
2- never resonate outo spc-atom
2 .
Ione é pairs
à
.
3 keep
sp
àin
㎥
Ö:
an eye on octets
i¤
]
gi
: : :
「
↴
*.: = - . ¿ - =o. .
3 It bond
:.0-S
→B S S
…
∴
:
l
:อ
의
-
:.0
:
( → i )
𩾷
一
Skeletal Structure of Ex : Butane, , CyH, o
organic molecules :
-
simple quick way to represent,
condensed
organic molecules CHy CHy CHzCHz
Organic molecules : C , H 0 N S , P , , ,
Lewis structure
carbon
H 시 o 시
Sp3 hybridized
… ㅣ
-
θ
H ー
E ーレ -
C ー
C -
H
℃ -
4 valence electrons A ↓ , *
∞
-
can bind with 4 bonds
Skeletal Structure -
SIMPLE
understanding Skeletal
Structures
-
no It bonds shown on C
-
only show bonds between atoms -
Carbon is central atom
-
other atoms
(non C, H) ↳ sp3 hybridized , 109 5 . bond
angle, retrahedral shape
ㅐ H H H
( H
… H
EX: H
? H 해 ∅ ㎡
454245
- -
니
ㅐ 「
ㅐ HH 시
M C
c 、 ー G
↑
-
+
ず 뙈
씨 C E away
{
^
님 :
를
\
태
” "1
∞ ㅐ
ー
X
C ㅐ
H I
。 θ ~ ㉚
t
forward
'
bonds ma
-we know
hydrogen are
bond
: can
freely
there but we don't have to show
rotate
5
Z y
them ㅣ
M =
.
ヘ -
same molecule
-
s s }
EX : Pentane
대3
, 대 능시랍소
사
, EX : cyclo nexane
4 -count when you
to
\
3 S
but your pen 때 ≤H
쨉
paper
lけ
-
always # to check work cw
"
[
'. "
H …
↓ ㅐ
Double Bonds-sp2-120 Triple Bond-sp-180 working Backwards :
:
= linear
ㅐ
ㅐ
ㅐ
E
[
H H
nt
( - -
EX : Trans-2-but ene H ー
E ー
C ≡ E -
-
H H H
戎
ㅐ
" ㅐ
-
\
' ㅣ
M i -
ㅣ
ㅐ ㅐ ㅐ
e
yrm
- c
a
o
-
u
ㆁ
,
-
'
↓ :
Yc "
" ㅐ
2-butyne ㅐ
' .
∅
. ㅐ
:
…
"
'
" " " ↓
f
i · = อ σ
니
…
Now c/H atoms :
Ethanol Now Hatom : Butanamide
H Q
Vews
H H H H
\
↓ "
' " ④
…
H설
답다다다 -
- 」
+ c e o l λ
-
-
-
… 에
H H
∆
山
, What is Resonance ? reasonace-back and forth
-
NO5 Lewis Structure curved Arrows
_
-
moves Ielec .
(r
tail moves
-Knead
-
:อ erectrong
언
ta品
↓
∴
θ
ves . =
radical arrow
≈
운 Resonance Hybrid
+
N
Patterns
℃∴
系品
ㅇ
Key Arrow
θ
1 .
Negative electrons
in내
EX :
"…
용 ←,
I only ever more electrons , Conepairs or selections
i
:Oi
2- never resonate outo spc-atom
2 .
Ione é pairs
à
.
3 keep
sp
àin
㎥
Ö:
an eye on octets
i¤
]
gi
: : :
「
↴
*.: = - . ¿ - =o. .
3 It bond
:.0-S
→B S S
…
∴
:
l
:อ
의
-
:.0
:
( → i )
𩾷
一
