Химическая термодинамика (задачи, примеры, задания). Захаров И.В - 95 стр.

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95
C
2
H
4
D
2h
∠HCH = 117
o
22′
∠CCH = 121
o
19′
r
C-H
=1,086
r
C=C
=1,337
ν
1
=3026; ν
7
=949
ν
2
=1623; ν
8
=3136
ν
3
=1342; ν
9
=1374
ν
4
=1023; ν
10
=1130
ν
5
=3102; ν
11
=769
ν
6
=1222; ν
12
=756
52,5
N
2
O
4
D
2h
∠ONO = 135,4
o
r
N-N
=1 782
r
N-O
=1,190
ν
1
=1380; ν
7
=425
ν
2
=808; ν
8
=672
ν
3
=266; ν
9
=1758
ν
4
=79; ν
10
=270
ν
5
=1712; ν
11
=1264
ν
6
=482; ν
12
=751
9,2 ± 1,7
CH
3
NO
2
C
s
∠ONO = 125,3
o
∠NCH = 107,2
o
r
C-N
=1,489
r
N-O
=1,224
r
C-H
=1 088
ν
1
=3048; ν
9
=599
ν
2
=2965; ν
10
=3048
ν
3
=1488; ν
11
=1582
ν
4
=1449; ν
12
=1413
ν
5
=1384; ν
13
=1097
ν
6
=1153; ν
14
=476
ν
7
=921; ν
15
=(200)
ν
8
=647
−74,7
SF
6
O
h
r
S-F
=1,564
ν
1
=770,
ν
6
=947(3)
ν
2
=640 (2)
ν
3
=522 (3)
ν
4
=345 (3)
ν
5
=615 (3)
−1221 ± 1
H
2
SO
4
C
2v
∠O-S-O = (100
o
)
∠O=S=O = (125
o
)
∠SOH = (105
o
)
r
S=O
=(1,42)
r
O-H
=(0,97)
r
S-O(H)
=(1,53)
ν
1
=3500; ν
9
=3610
ν
2
=1223; ν
10
=1159
ν
3
=1138; ν
11
=883
ν
4
=834; ν
12
=400
ν
5
=550; ν
13
=1450
ν
6
=380; ν
14
=450
ν
7
=450; ν
15
=568
ν
8
=390;
−741 ± 8 
 C2H4          D2h            ν1=3026; ν7=949      52,5
         ∠HCH = 117o22′      ν2=1623; ν8=3136
         ∠CCH = 121o19′      ν3=1342; ν9=1374
           rC-H=1,086        ν4=1023; ν10=1130
           rC=C=1,337         ν5=3102; ν11=769
                              ν6=1222; ν12=756


 N2O4          D2h            ν1=1380; ν7=425    9,2 ± 1,7
         ∠ONO = 135,4o         ν2=808; ν8=672
           rN-N=1 782         ν3=266; ν9=1758
           rN-O=1,190           ν4=79; ν10=270
                             ν5=1712; ν11=1264
                               ν6=482; ν12=751
CH3NO2         Cs             ν1=3048; ν9=599     −74,7
         ∠ONO = 125,3o       ν2=2965; ν10=3048
         ∠NCH = 107,2o       ν3=1488; ν11=1582
           rC-N=1,489        ν4=1449; ν12=1413
           rN-O=1,224        ν5=1384; ν13=1097
           rC-H=1 088         ν6=1153; ν14=476
                             ν7=921; ν15=(200)
                                    ν8=647

 SF6            Oh           ν1=770,             −1221 ± 1
            rS-F=1,564       ν6=947(3)
                             ν2=640 (2)
                             ν3=522 (3)
                             ν4=345 (3)
                             ν5=615 (3)
H2SO4            C2v          ν1=3500; ν9=3610   −741 ± 8
         ∠O-S-O = (100o)     ν2=1223; ν10=1159
         ∠O=S=O = (125o)      ν3=1138; ν11=883
          ∠SOH = (105o)        ν4=834; ν12=400
            rS=O=(1,42)       ν5=550; ν13=1450
            rO-H=(0,97)        ν6=380; ν14=450
           rS-O(H)=(1,53)      ν7=450; ν15=568
                                   ν8=390;

                            95

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