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本帖最后由 MCV 于 2014-10-19 23:16 编辑
之前问过sob
叠氮以180度桥连金属M-NNN-M的时候,红外会蓝移一两百个波数,CDA分析从叠氮到金属的d大概是0.06,b大概是0.01,净转移电子是0.6,并且d r比较大的那些轨道的成分分析都没有叠氮的occ为0的成分,应该是没什么反馈pi键。除了键级分析外,还能做什么分析来解释这个蓝移?(而且教科书上经典的那些金属羰基化合物,配位的羰基的红外应该是红移)
回答是
【传说】Sobereva(190258442) 2014-10-19 5:51:02查看前后消息
做AIM分析,看看BCP性质如何变化。也做做密度差图,看看结合金属后密度怎么转移的,在哪里聚集了。也做做ELF图。
看到“AIM键临界点处电子密度拉普拉斯值符号判断相互作用类型失败原因的图形分析”这个AIM的文章中对Ni(CO)4这个类似的化合物的说法是“最让人放心的还是作拉普拉斯值或ELF图,物理意义明确,一目了然。”
于是我做了电子密度图和elf图
电子密度图:
elf:
看起来都是离子键
cda看起来N3-的轨道能级比较高,frag2的homo lumo是192 193
对比Ni(CO)4这种典型的存在pi反馈键的例子,应该是完全不同的,即只是离子键
不知能否这样解释,叠氮的能级较高,参与形成复合物轨道的主要是N3的轨道8的sigma成键轨道、轨道9的sigma反键轨道以及轨道10 11的pi轨道(看的是d-b和r比较高的),其中的反键轨道和pi轨道的电子被转移到金属上,所以叠氮本身键能提高(但是怎么说明为什么是反键的电子转移的更多)
另外能定量或者定性对比分析不同结构么,实验上的规律是M-NNN-M的M是Zn的时候解晶体几乎是直线,opt结果是有一定夹角的非直线,而从Zn到Hg,夹角越来越偏离直线,红外的蓝移也相对较弱
Orb. Occ. d b d - b r
1 2.000000 0.000202 -0.000000 0.000202 0.000017
2 2.000000 -0.000000 0.000000 -0.000001 0.000000
3 2.000000 -0.000001 0.000000 -0.000001 0.000000
4 2.000000 -0.000000 0.000002 -0.000003 0.000001
5 2.000000 -0.000000 -0.000001 0.000001 0.000000
6 2.000000 -0.000000 -0.000005 0.000005 -0.000002
7 2.000000 -0.000000 0.000003 -0.000003 -0.000000
8 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
9 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
10 2.000000 0.000396 -0.000003 0.000400 0.000060
11 2.000000 0.000477 -0.000003 0.000480 0.000089
12 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
13 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
14 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
15 2.000000 -0.000000 0.000000 -0.000000 0.000000
16 2.000000 -0.000000 0.000000 -0.000000 0.000000
17 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
18 2.000000 -0.000001 -0.000000 -0.000000 -0.000000
19 2.000000 -0.000001 0.000001 -0.000001 0.000000
20 2.000000 -0.000001 -0.000000 -0.000001 -0.000001
21 2.000000 -0.000001 0.000001 -0.000002 0.000000
22 2.000000 -0.000001 0.000000 -0.000001 0.000000
23 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
24 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
25 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
26 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
27 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
28 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
29 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
30 2.000000 -0.000000 0.000000 -0.000001 -0.000000
31 2.000000 -0.000002 -0.000001 -0.000001 -0.000001
32 2.000000 -0.000000 0.000004 -0.000005 0.000001
33 2.000000 -0.000000 0.000000 -0.000001 0.000000
34 2.000000 -0.000005 0.000020 -0.000025 0.000006
35 2.000000 -0.000002 0.000008 -0.000010 0.000003
36 2.000000 -0.000001 0.000000 -0.000001 0.000000
37 2.000000 -0.000000 -0.000000 0.000000 -0.000000
38 2.000000 -0.000000 0.000000 -0.000001 -0.000000
39 2.000000 -0.000000 -0.000000 0.000000 0.000000
40 2.000000 -0.000001 0.000001 -0.000002 0.000000
41 2.000000 -0.000000 0.000000 -0.000000 0.000000
42 2.000000 -0.000000 0.000000 -0.000000 0.000000
43 2.000000 -0.000000 -0.000000 -0.000000 -0.000000
44 2.000000 -0.000000 0.000002 -0.000002 0.000001
45 2.000000 -0.000000 0.000000 -0.000001 0.000000
46 2.000000 -0.000000 0.000000 -0.000001 0.000000
47 2.000000 -0.000000 -0.000001 0.000000 -0.000000
48 2.000000 -0.000004 -0.000761 0.000758 -0.000298
49 2.000000 -0.000002 -0.000464 0.000463 -0.000168
50 2.000000 -0.000000 -0.000028 0.000027 -0.000002
51 2.000000 -0.000000 -0.000026 0.000025 -0.000002
52 2.000000 -0.000000 -0.000015 0.000015 0.000002
53 2.000000 -0.000000 0.000003 -0.000003 0.000004
54 2.000000 -0.000003 -0.000511 0.000508 -0.000080
55 2.000000 -0.000000 -0.000352 0.000351 0.000037
56 2.000000 0.027019 -0.000153 0.027172 0.008282
57 2.000000 0.000015 -0.000810 0.000825 -0.000039
58 2.000000 0.000138 -0.001023 0.001161 0.000472
59 2.000000 0.000054 -0.000168 0.000222 0.000180
60 2.000000 0.000002 -0.000189 0.000191 0.000082
61 2.000000 0.000022 -0.000111 0.000133 0.000201
62 2.000000 -0.000015 -0.000304 0.000289 0.000150
63 2.000000 0.016033 -0.001966 0.017999 0.022717
64 2.000000 -0.000040 0.000617 -0.000656 0.001168
65 2.000000 0.006411 0.001901 0.004511 -0.004615
66 2.000000 -0.000112 -0.000450 0.000338 0.000243
67 2.000000 -0.000238 0.000367 -0.000605 0.000338
68 2.000000 -0.000381 -0.000338 -0.000043 -0.000469
69 2.000000 -0.000058 0.000138 -0.000196 0.000545
70 2.000000 -0.000025 0.000217 -0.000242 0.000483
71 2.000000 -0.000400 -0.000359 -0.000042 -0.001340
72 2.000000 -0.000058 -0.000310 0.000251 -0.000091
73 2.000000 -0.000004 -0.000034 0.000030 0.000030
74 2.000000 -0.000064 0.000166 -0.000230 0.000218
75 2.000000 -0.000040 0.000065 -0.000105 0.000205
76 2.000000 -0.000005 -0.000062 0.000057 0.000171
77 2.000000 -0.000010 -0.000099 0.000089 0.000222
78 2.000000 -0.000025 -0.000047 0.000022 0.000201
79 2.000000 -0.000016 -0.000621 0.000605 -0.000086
80 2.000000 0.000009 -0.000653 0.000662 0.000236
81 2.000000 -0.000052 -0.000069 0.000017 0.000023
82 2.000000 -0.000004 -0.000120 0.000116 0.000154
83 2.000000 0.000045 -0.000495 0.000540 0.001909
84 2.000000 -0.000027 -0.000066 0.000039 0.000465
85 2.000000 -0.000032 -0.000033 0.000001 0.000292
86 2.000000 0.000037 -0.000943 0.000981 0.001881
87 2.000000 -0.000007 0.000020 -0.000027 0.000511
88 2.000000 0.000006 -0.000118 0.000124 0.000802
89 2.000000 0.000006 -0.000114 0.000120 0.001136
90 2.000000 0.000020 -0.000390 0.000410 0.001670
91 2.000000 0.000022 -0.000093 0.000114 0.000337
92 2.000000 0.000009 -0.000065 0.000073 0.000224
93 2.000000 0.000013 -0.000144 0.000157 0.000696
94 2.000000 0.000372 -0.000046 0.000418 0.001162
95 2.000000 -0.000025 -0.000013 -0.000012 0.000464
96 2.000000 0.000084 -0.000348 0.000432 0.001548
97 2.000000 0.000165 -0.000481 0.000646 0.003100
98 2.000000 0.000596 -0.001126 0.001723 0.011777
99 2.000000 0.043246 -0.003258 0.046504 0.211374
100 2.000000 0.000793 -0.000106 0.000899 0.003356
101 2.000000 0.000298 -0.000614 0.000912 0.012760
102 2.000000 0.000760 0.000010 0.000750 0.001121
103 2.000000 0.000763 -0.000730 0.001493 0.018707
104 2.000000 -0.000135 -0.000170 0.000035 0.001450
105 2.000000 0.000066 -0.000190 0.000255 0.001386
106 2.000000 0.034657 -0.005086 0.039744 0.178063
107 2.000000 0.000507 -0.000130 0.000637 0.005641
108 2.000000 0.000212 -0.000142 0.000354 0.004707
109 2.000000 0.000674 0.000200 0.000474 -0.000824
110 2.000000 0.000672 0.000269 0.000403 -0.001282
111 2.000000 0.004677 0.001464 0.003213 -0.020831
112 2.000000 0.002054 0.000878 0.001176 -0.010073
113 2.000000 0.004091 -0.000877 0.004968 0.078380
114 2.000000 0.000036 -0.000038 0.000074 0.000743
115 2.000000 0.000557 0.000313 0.000244 0.003366
116 2.000000 0.005023 -0.002244 0.007267 0.080252
117 2.000000 0.000024 -0.000297 0.000321 -0.015216
118 2.000000 0.000156 -0.000035 0.000192 -0.016073
119 2.000000 0.003280 0.000643 0.002637 0.019871
120 2.000000 0.000311 0.000081 0.000230 -0.008994
121 2.000000 0.000440 -0.000056 0.000495 -0.002048
122 2.000000 -0.000070 -0.000604 0.000534 0.001640
123 2.000000 0.000751 0.000328 0.000423 -0.008433
124 2.000000 -0.000909 -0.000356 -0.000553 -0.009625
125 2.000000 -0.000406 -0.000930 0.000524 -0.001859
126 2.000000 0.000036 -0.000497 0.000534 0.003817
127 2.000000 0.000150 0.000201 -0.000051 -0.003392
128 2.000000 0.000051 0.000001 0.000050 -0.001431
129 2.000000 0.000635 0.000139 0.000496 -0.007954
130 2.000000 0.000037 -0.000034 0.000072 0.000150
131 2.000000 0.000104 0.000108 -0.000004 -0.001186
132 2.000000 -0.001311 -0.002292 0.000981 -0.026053
133 2.000000 -0.000113 0.000095 -0.000208 0.000108
134 2.000000 0.000006 -0.000092 0.000098 -0.001213
135 2.000000 0.000232 -0.000967 0.001199 -0.002909
136 2.000000 0.000083 -0.000237 0.000320 0.018515
137 2.000000 0.000044 0.000146 -0.000102 0.014380
138 2.000000 0.000306 0.002703 -0.002397 -0.021001
139 2.000000 0.000458 0.002402 -0.001944 -0.024345
140 2.000000 -0.000074 0.000098 -0.000172 -0.000660
141 2.000000 0.000196 0.000086 0.000110 0.000351
142 2.000000 -0.000016 -0.000007 -0.000009 0.000851
143 2.000000 0.000169 -0.000074 0.000242 0.000449
144 2.000000 0.000024 -0.000024 0.000048 0.000030
145 2.000000 0.000060 0.000027 0.000034 -0.000097
146 2.000000 0.007141 -0.000042 0.007183 -0.030583
147 2.000000 0.003554 0.000031 0.003523 -0.014830
148 2.000000 0.002598 -0.000583 0.003181 -0.000769
149 2.000000 0.000261 -0.000041 0.000302 -0.001154
150 2.000000 0.010639 -0.001997 0.012637 -0.007994
151 2.000000 0.000471 -0.000235 0.000706 -0.006508
152 2.000000 0.000106 -0.000085 0.000191 -0.002650
153 2.000000 0.000092 0.000169 -0.000077 -0.002213
154 2.000000 0.000070 -0.000089 0.000159 -0.002121
155 2.000000 0.000094 0.000160 -0.000066 -0.001610
156 2.000000 0.000204 -0.000710 0.000914 -0.012889
157 2.000000 0.000403 0.000042 0.000361 -0.000686
158 2.000000 -0.000015 -0.000327 0.000312 -0.000331
159 2.000000 -0.000043 -0.000171 0.000129 0.000491
160 2.000000 -0.000048 0.000056 -0.000104 0.000778
161 2.000000 0.000043 0.000106 -0.000062 0.000201
162 2.000000 0.001670 -0.001156 0.002827 -0.002836
163 2.000000 0.007863 0.001102 0.006761 -0.030019
164 2.000000 0.000565 -0.004756 0.005321 0.008734
165 2.000000 0.000591 -0.000973 0.001564 -0.027028
166 2.000000 0.000658 -0.000263 0.000921 -0.028133
167 2.000000 0.001236 -0.000712 0.001948 -0.016937
168 2.000000 0.000670 -0.000343 0.001014 -0.018714
169 2.000000 0.000314 0.000200 0.000114 -0.007143
170 2.000000 0.000296 0.000076 0.000220 -0.008267
171 2.000000 0.002126 -0.000157 0.002283 -0.012975
172 2.000000 0.000332 0.000169 0.000163 -0.001549
173 2.000000 0.002440 -0.000183 0.002622 -0.015468
174 2.000000 0.007436 -0.001221 0.008657 -0.047795
175 2.000000 0.000111 0.000145 -0.000034 0.000500
176 2.000000 0.000720 -0.000387 0.001107 -0.005052
177 2.000000 0.028555 -0.001285 0.029839 -0.168540
178 2.000000 0.012821 -0.003928 0.016750 -0.091639
179 2.000000 0.002183 -0.002076 0.004258 0.020228
180 2.000000 0.001833 -0.001199 0.003032 0.015595
181 2.000000 0.001687 0.000370 0.001317 -0.003794
182 2.000000 0.000432 -0.000026 0.000458 -0.018432
183 2.000000 0.014691 -0.004732 0.019423 0.082190
184 2.000000 0.012608 -0.006498 0.019106 0.101142
185 2.000000 0.000210 -0.001089 0.001300 -0.009945
186 2.000000 0.001136 0.004170 -0.003033 -0.002750
187 2.000000 0.002821 0.000959 0.001862 -0.022492
188 2.000000 0.001549 -0.000401 0.001950 -0.015858
189 2.000000 0.027786 0.003069 0.024717 -0.090088
190 2.000000 0.044216 -0.005012 0.049227 -0.219267
191 2.000000 0.060594 0.009780 0.050814 -0.265154
192 2.000000 0.046949 0.012328 0.034621 -0.297968
193 0.000000 0.000000 0.000000 0.000000 0.000000
194 0.000000 0.000000 0.000000 0.000000 0.000000
195 0.000000 0.000000 0.000000 0.000000 0.000000
196 0.000000 0.000000 0.000000 0.000000 0.000000
......
2292 0.000000 0.000000 0.000000 0.000000 0.000000
-------------------------------------------------------------------
Sum: 384.000000 0.466762 -0.028637 0.495398 -0.749031
========== Extended Charge decomposition analysis (ECDA) ==========
Contribution to all occupied complex orbital:
Occupied, virtual orbitals of fragment 1: 1069.8931% 0.5949%
Occupied, virtual orbitals of fragment 2: 18091.8745% 37.6588%
Contribution to all virtual complex orbital:
Occupied, virtual orbitals of fragment 1: 30.0044% 7899.1831%
Occupied, virtual orbitals of fragment 2: 8.0208% 202062.1221%
PL( 1) + CT( 1-> 2) = 0.6001 PL( 1) + CT( 2-> 1) = 0.0119
PL( 2) + CT( 1-> 2) = 0.7532 PL( 2) + CT( 2-> 1) = 0.1604
The net electrons obtained by frag. 2 = CT( 1-> 2) - CT( 2-> 1) = 0.5882
Input the index of complex orbital you are interested in, e.g. 6
To exit, input 0
Note: If you want to obtain the composition of an orbital (e.g. orbital 5) of a
fragment (e.g. fragment 2) in all complex orbitals, you can input e.g. 2,5
191
Note: Only the fragment orbitals with contribution > 1.0% will be shown below
Occupation number of orbital 191 of the complex: 2.00000000
Orbital 10 of fragment 1, Occ: 2.00000 Contribution: 9.9454%
Orbital 11 of fragment 1, Occ: 2.00000 Contribution: 35.8738%
Orbital 175 of fragment 2, Occ: 2.00000 Contribution: 1.0238%
Orbital 176 of fragment 2, Occ: 2.00000 Contribution: 8.9017%
Orbital 179 of fragment 2, Occ: 2.00000 Contribution: 16.3894%
Orbital 180 of fragment 2, Occ: 2.00000 Contribution: 8.9526%
Orbital 181 of fragment 2, Occ: 2.00000 Contribution: 6.5063%
Orbital 182 of fragment 2, Occ: 0.00000 Contribution: 2.2396%
Input the index of complex orbital you are interested in, e.g. 6
To exit, input 0
Note: If you want to obtain the composition of an orbital (e.g. orbital 5) of a
fragment (e.g. fragment 2) in all complex orbitals, you can input e.g. 2,5
192
Note: Only the fragment orbitals with contribution > 1.0% will be shown below
Occupation number of orbital 192 of the complex: 2.00000000
Orbital 10 of fragment 1, Occ: 2.00000 Contribution: 39.8322%
Orbital 11 of fragment 1, Occ: 2.00000 Contribution: 12.0030%
Orbital 175 of fragment 2, Occ: 2.00000 Contribution: 4.3270%
Orbital 176 of fragment 2, Occ: 2.00000 Contribution: 1.6264%
Orbital 179 of fragment 2, Occ: 2.00000 Contribution: 19.0185%
Orbital 181 of fragment 2, Occ: 2.00000 Contribution: 16.0944%
Note: If you want to obtain the composition of an orbital (e.g. orbital 5) of a
fragment (e.g. fragment 2) in all complex orbitals, you can input e.g. 2,5
99
Note: Only the fragment orbitals with contribution > 1.0% will be shown below
Occupation number of orbital 99 of the complex: 2.00000000
Orbital 8 of fragment 1, Occ: 2.00000 Contribution: 67.4266%
Orbital 96 of fragment 2, Occ: 2.00000 Contribution: 1.0562%
Orbital 100 of fragment 2, Occ: 2.00000 Contribution: 6.5395%
Orbital 111 of fragment 2, Occ: 2.00000 Contribution: 8.9479%
Orbital 127 of fragment 2, Occ: 2.00000 Contribution: 2.4722%
Orbital 131 of fragment 2, Occ: 2.00000 Contribution: 1.0748%
Orbital 182 of fragment 2, Occ: 0.00000 Contribution: 2.1127%
106
Note: Only the fragment orbitals with contribution > 1.0% will be shown below
Occupation number of orbital 106 of the complex: 2.00000000
Orbital 7 of fragment 1, Occ: 2.00000 Contribution: 25.0951%
Orbital 9 of fragment 1, Occ: 2.00000 Contribution: 29.3559%
Orbital 97 of fragment 2, Occ: 2.00000 Contribution: 4.3954%
Orbital 99 of fragment 2, Occ: 2.00000 Contribution: 1.4723%
Orbital 101 of fragment 2, Occ: 2.00000 Contribution: 1.6911%
Orbital 105 of fragment 2, Occ: 2.00000 Contribution: 9.3029%
Orbital 109 of fragment 2, Occ: 2.00000 Contribution: 2.1213%
Orbital 110 of fragment 2, Occ: 2.00000 Contribution: 11.8356%
Orbital 116 of fragment 2, Occ: 2.00000 Contribution: 3.8432%
Orbital 122 of fragment 2, Occ: 2.00000 Contribution: 1.4712%
Orbital 161 of fragment 2, Occ: 2.00000 Contribution: 1.1897%
Orbital 183 of fragment 2, Occ: 0.00000 Contribution: 1.8848%
190
Note: Only the fragment orbitals with contribution > 1.0% will be shown below
Occupation number of orbital 190 of the complex: 2.00000000
Orbital 9 of fragment 1, Occ: 2.00000 Contribution: 2.6372%
Orbital 161 of fragment 2, Occ: 2.00000 Contribution: 1.6141%
Orbital 174 of fragment 2, Occ: 2.00000 Contribution: 8.9221%
Orbital 175 of fragment 2, Occ: 2.00000 Contribution: 24.4012%
Orbital 176 of fragment 2, Occ: 2.00000 Contribution: 25.3403%
Orbital 177 of fragment 2, Occ: 2.00000 Contribution: 13.1953%
Orbital 180 of fragment 2, Occ: 2.00000 Contribution: 9.9160%
Orbital 181 of fragment 2, Occ: 2.00000 Contribution: 5.8693%
Orbital 183 of fragment 2, Occ: 0.00000 Contribution: 4.8394%
排序d
Orb. | Occ. | d | b | d - b | r | 191 | 2 | 0.060594 | 0.00978 | 0.050814 | -0.26515 | 192 | 2 | 0.046949 | 0.012328 | 0.034621 | -0.29797 | 190 | 2 | 0.044216 | -0.00501 | 0.049227 | -0.21927 | 99 | 2 | 0.043246 | -0.00326 | 0.046504 | 0.211374 | 106 | 2 | 0.034657 | -0.00509 | 0.039744 | 0.178063 | 排序b
Orb. | Occ. | d | b | d - b | r | 192 | 2 | 0.046949 | 0.012328 | 0.034621 | -0.29797 | 191 | 2 | 0.060594 | 0.00978 | 0.050814 | -0.26515 | 186 | 2 | 0.001136 | 0.00417 | -0.00303 | -0.00275 | 189 | 2 | 0.027786 | 0.003069 | 0.024717 | -0.09009 | 138 | 2 | 0.000306 | 0.002703 | -0.0024 | -0.021 | 排序d-b
Orb. | Occ. | d | b | d - b | r | 191 | 2 | 0.060594 | 0.00978 | 0.050814 | -0.26515 | 190 | 2 | 0.044216 | -0.00501 | 0.049227 | -0.21927 | 99 | 2 | 0.043246 | -0.00326 | 0.046504 | 0.211374 | 106 | 2 | 0.034657 | -0.00509 | 0.039744 | 0.178063 | 192 | 2 | 0.046949 | 0.012328 | 0.034621 | -0.29797 | 排序r
Orb. | Occ. | d | b | d - b | r | 99 | 2 | 0.043246 | -0.00326 | 0.046504 | 0.211374 | 106 | 2 | 0.034657 | -0.00509 | 0.039744 | 0.178063 | 184 | 2 | 0.012608 | -0.0065 | 0.019106 | 0.101142 | 183 | 2 | 0.014691 | -0.00473 | 0.019423 | 0.08219 | 116 | 2 | 0.005023 | -0.00224 | 0.007267 | 0.080252 |
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