*
210005
1005-6629 2021 04-0073-08 G633. 8 B
arrow pushing Robert
Robinson 1922
2014 Abhik Ghosh Steffen
Berg
John
T. Groves
1
1
1. 1
1
Cl
2
H
2
1 25℃
HH FF ClCl BrBr II
kJ /mol 436 159 243 193 151
73 2021 4
*
* 2018 L /2018/394
Cl H
2
HCl
H H Cl
2
HCl
Cl Cl
2
1. 2
I
2
H
2
HI I H
H
HI
H
2
I I I
2
1. 3
XYXY
3
XY
5
XY
7
X Y
F
2
Cl
2
ClF ClF
3
1
Cl
2
XX FF
BrBr F
2
FF F
2
F
2
F
F Cl
2
Cl
2
Cl ClF
Cl Cl F
2
F
2
F ClF F
3
ClF
ClF F
·CIF
2
·CIF
2
·CIF
2
F
2
ClF
3
F
ClF
3
ClF
ClF
3
Cl
2
2
74
2. 1
X
δ
+
X
δ
X
δ
+
2. 1. 1
X
2
+
H
2
幑幐
O
HX
+
HOX F
2
HOF
HOF
+
H
2
O HF
+
H
2
O
2
2HOF 2HF
+
O
2
H
2
O F
2
H
2
OF
+
F
F
H
2
OF
+
HF HOF
F 4. 0 O 3. 5 HOF O
H
2
O
H
3
O
+
2
F
F
H
3
O
+
2
HF H
2
O
2
HOF O
2
O
2
Lewis
HOF
HF HOOF
4
O
··
O
··
O
··
·
O
·
··
5
2. 1. 2
6
X
2
X
2
+
2OH
X
+
XO
+
H
2
O 3XO
2X
+
XO
3
XO
X
75 2021 4
2. 1. 3
CH
4
NH
3
NH
3
N
Cl
2
NH
3
NH
3
+
3Cl
2
NCl
3
+
3HCl S
N
2
7
2. 1. 4
I
2
+
2Na
2
S
2
O
3
2NaI
+
Na
2
S
4
O
6
I
2
S
2
O
2
3
S
4
O
2
6
S
2
O
2
3
O S
S S
π
I
2
S
2
O
3
I
I
S
2
O
2
3
S
8
2. 2
F
Cl
Br
I
LG
2. 2. 1
2I
+
Cl
2
I
2
+
2Cl
I
Cl
2
Cl I
ICl Cl
2
Cl
Cl
I
ICl
I I
2
Cl
2. 2. 2
Lewis I
+
I
2
I
3
CsF
+
BrF
3
CsBrF
4
I
3
BrF
4
76
2. 2. 3
I
+
ClO
IO
+
Cl
OCl
+
1 Cl
ClO
HOCl
O
I
HOCl O Cl
HOI HOI IO
9
OH
2. 3
I
Br
Cl
F
CI
S
N
2
S
N
1E
2
E
1
S
N
2 S
N
2
A
A BF
3
BCl
3
SiF
4
SiCl
4
NCl
3
NBr
3
PCl
3
PCl
5
Cl
2
OI
2
O
5
SF
4
IClICl
3
BrF
5
2. 3. 1
BX
3
Π
6
4
H
2
O BF
3
BCl
3
O
B 2p HX
BX
2
OH B OH
10
3
2. 3. 2
NCl
3
N
Lewis OH
NHCl
+
3
OH
NHCl
+
3
Cl NCl
HOCl NHCl
2
HOCl NH
3
NCl
3
+
3H
2
O NH
3
+
3HClO
77 2021 4
NBr
3
2NBr
3
+
3H
2
O N
2
+
3HOBr
+
3H
+
+
3Br
NCl
3
NHBr
2
11
2. 3. 3
Cl
2
OI
2
O
5
HClOHIO
3
H
2
O O
12
2. 3. 4
3d
SiCl
4
H
2
O
O Si
sp
3
d HCl
Si OH Cl
3
Si sp
3
13
3
3. 1
3. 1. 1
2NaCl
+
2H
2
O
H
2
+
Cl
2
+
2NaOH
2Cl
2e
Cl
2
Cl
Cl Cl Cl
2
2H
2
O
+
2e
2OH
+
H
2
OH
H
H H
2
3. 1. 2
MnO
2
+
4HCl
MnCl
2
+
Cl
2
+
2H
2
O
78
MnO
2
Cl
Cl
Cl MnO OH
+
MnO OH
MnOOH Cl
Cl Mn OH
2
Mn OH
2
Mn
2
+
Cl
Cl
2
3. 2
363 K
pH 3. 5 Cl
2
+
2Br
2Cl
+
Br
2
Br
BrO
3
3Br
2
+
6CO
2
3
+
3H
2
O 5Br
+
BrO
3
+
6HCO
3
CO
2
3
OH
Br
2
OH
Br
BrO
BrO
Br
BrO
14
3
BrO
3
+
5Br
+
6H
+
3Br
2
+
3H
2
O BrO
3
+
3H
+
+
Br
HBrO
2
+
H
2
BrO
+
HBrO
2
+
3H
+
+
Br
2H
2
BrO
+
H
2
BrO
+
+
Br
Br
2
+
H
2
O
15
79 2021 4
3. 3
5HSO
3
+
2IO
3
5SO
2
4
+
I
2
+
3H
+
+
H
2
O IO
3
+
3HSO
3
3HSO
4
+
I
IO
3
+
5I
+
6H
+
3I
2
+
3H
2
O I
2
+
HSO
3
+
H
2
O 2I
+
HSO
4
+
2H
+
HSO
3
I
2
HSO
3
S
IO
3
O 1 /3 HSO
3
IO
3
IO
3
+
2H
+
+
I
HIO
2
+
HIO HIO
2
+
H
+
+
I
2HIO HIO
+
H
+
+
I
I
2
+
H
2
O
S I
HSO
3
S I
2
ISO
3
H
- H
2
SO
4
HI
16
4
1 4 6 7 8 12 14 Ghosh A. Berg S
Arrow Pushing in Inorganic Chemistry A Logical Approach to the
Chemistry of the Main-Group Elements John Willy Sons Inc.
Hoboken New Jersey USA 2014 13 16 261 263 258
259 130 131 217 218 268 269.
2 13 4
M 2019 659 544 545.
3 9 10 11 15 16
M 2009 159 160 414 415
238 240 241 243 426 427 402 404
5 2 M
2016 59 60.
80