论文署名作者越多，论文质量越低

质量决定水平。

然而流行时髦（可能不是H1N1流行感冒）的做法是标记（评价）论文的水平，而不是标记（评价）论文的质量。

什么是水平？

最省力的做法，也是最盲目的做法就是根据刊物来评价论文的水平，这就是拜刊物忽悠水平教派，这个科学教派是非常强大的。

 

根据论文本身来评估论文的质量，这是正本清源的做法。

评估论文质量，究竟如何来操作，这是个技术层面的问题，真正想搞也不难。

 

上次本博主评估了余瑞璜先生（三个作者）发表在《中国科学》的文章，存在严重问题，因为把Nd2Fe14B的键络数据搞错了，从而影响到以后真正的EET计算，究竟他们三个作者是如何分工的，这俺就不知道了。但是，那文章署名了3个人，白纸黑字，这是事实。

本文评估余瑞璜先生独自发表的一篇文章，白纸黑字，署名了惟一的作者，就是余瑞璜先生自己，如下所示。

 

        两篇文章，一个发表在《中国科学》，一个发表在大学学报。如果按照“水评论”，是前者水平高；如果按照“质量论”，是后者质量高，本博主要给出证据。

Al12Mg17结构属于空间群217号，一个晶胞里有58个原子。

余瑞璜先生给出的Al12Mg17晶体的键络参数如下：

 

余瑞璜先生最大键长取值到d=4.690。

如果截取到d=4.690，晶体空间共有15条键，余先生的结果也是15条。

如果把余先生的结果按照红色数字编号（键长从小到大），和俺用《点群/空间群操作系统》计算的结果完全一样，“完全一样”包含三个指标：

1）  成键的原子种类，例如，24g-Al---24g-Al，就是DAlAl；

2）  键长，误差在0.005左右。

3）  配位数，完全一样。

余瑞璜先生自己30年前干的工作，非常漂亮！

结合实际的数据，下面详细地解说余瑞璜先生工作的妙处！

第6条键的数据显示，空间配位数和配对配位数是有差别的，余瑞璜先生的处理手法和Herbst J F（1991 Rev. Mod. Phys. 63 822）的是一样的。

 

需要提醒的是，等同键数 Ia＝I1×I2×I3，其中

I1从空间群占位结构式取值；

I2从空间配位数（Z）取值；

I3的值规定为：如果是空间群意义上的同种原子成键，I3＝1；

              如果是空间群意义上的不同种原子成键，I3＝2。

（实际上，应该是按照点群对称性来分类，不过立方晶体不显示区别）

空间群占位表达式为：2a(Mg)8c(Mg)24g(Mg)24g(Al)

约化之后为：1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

I1将从蓝颜色的数字中取值。

 

（计算机输出格式版本）

"a=",10.56,"b=",10.56,"c=",10.56,"Delta=",.005（评估误差为0.005埃）

1,"  ","24g-Al","---","24g-Al","      d===",2.6582

"24g-Al",":",-2.9357,-.9398,.9398,"          Z=",1

"  SP coordinates=",.222,.411,.589

"     配位原子：","24g-Al",": ",-2.9357,.9398,-.9398

"              SP coordinates=",.222,.589,.411

"24g-Al",":",-2.9357,.9398,-.9398,"          Z=",1

"  SP coordinates=",.222,.589,.411

"     配位原子：","24g-Al",":  ",-2.9357,-.9398,.9398

"             SP coordinates=",.222,.411,.589

余瑞璜先生的Ia=12

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×1＝12

 

2,"  ","24g-Al","---","24g-Al","      d===",2.8226

"24g-Al",":",-4.3402,-4.3402,-2.3443,"          Z=",2

"  SP coordinates=",.089,.089,.278

"     配位原子：","24g-Al",": ",-4.3402,-2.3443,-4.3402

"              SP coordinates=",.089,.278,.089

"     配位原子：","24g-Al",": ",-2.3443,-4.3402,-4.3402

"              SP coordinates=",.278,.089,.089

"24g-Al",":",-2.3443,-4.3402,-4.3402,"          Z=",2

"  SP coordinates=",.278,.089,.089

"     配位原子：","24g-Al",":  ",-4.3402,-4.3402,-2.3443

"             SP coordinates=",.089,.089,.278

"     配位原子：","24g-Al",":  ",-4.3402,-2.3443,-4.3402

"             SP coordinates=",.089,.278,.089

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×2×1＝24

 

3,"  ","24g-Mg","---","24g-Al","      d===",2.9063

"24g-Mg",":",3.7594,.4435,3.7594,"          Z=",1

"  SP coordinates=",.856,.542,.856

"     配位原子：","24g-Al",": ",4.3402,-2.3443,4.3402

"              SP coordinates=",.911,.278,.911

"24g-Al",":",4.3402,-2.3443,4.3402,"          Z=",1

"  SP coordinates=",.911,.278,.911

"     配位原子：","24g-Mg",":  ",3.7594,.4435,3.7594

"             SP coordinates=",.856,.542,.856

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×2＝24

 

4,"  ","8c-Mg","---","24g-Mg","      d===",2.9618

"8c-Mg",":",-3.3475,-3.3475,3.3475,"          Z=",3

"  SP coordinates=",.183,.183,.817

"     配位原子：","24g-Mg",": ",-3.7594,-3.7594,.4435

"              SP coordinates=",.144,.144,.542

"     配位原子：","24g-Mg",": ",-3.7594,-.4435,3.7594

"              SP coordinates=",.144,.458,.856

"     配位原子：","24g-Mg",": ",-.4435,-3.7594,3.7594

"              SP coordinates=",.458,.144,.856

"24g-Mg",":",-.4435,-3.7594,3.7594,"          Z=",1

"  SP coordinates=",.458,.144,.856

"     配位原子：","8c-Mg",":  ",-3.3475,-3.3475,3.3475

"             SP coordinates=",.183,.183,.817

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×2＝24；或者，Ia=4×3×2＝24

 

5,"  ","24g-Mg","---","24g-Al","      d===",2.9791

"24g-Mg",":",1.5206,-1.5206,4.8365,"          Z=",2

"  SP coordinates=",.644,.356,.958

"     配位原子：","24g-Al",": ",2.3443,-4.3402,4.3402

"              SP coordinates=",.722,.089,.911

"     配位原子：","24g-Al",": ",4.3402,-2.3443,4.3402

"              SP coordinates=",.911,.278,.911

"24g-Al",":",2.3443,-4.3402,4.3402,"          Z=",2

"  SP coordinates=",.722,.089,.911

"     配位原子：","24g-Mg",":  ",1.5206,-4.8365,1.5206

"             SP coordinates=",.644,.042,.644

"     配位原子：","24g-Mg",":  ",1.5206,-1.5206,4.8365

"             SP coordinates=",.644,.356,.958

余瑞璜先生的Ia=48

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×2×2＝48；或者，Ia=12×2×2＝48

 

6,"  ","24g-Mg","---","24g-Al","      d===",3.1629

"24g-Mg",":",-1.5206,4.8365,1.5206,"          Z=",8

"  SP coordinates=",.356,.958,.644

"     配位原子：","24g-Mg",": ",-3.7594,3.7594,-.4435

"              SP coordinates=",.144,.856,.458

"     配位原子：","24g-Mg",": ",-3.7594,6.8006,.4435

"              SP coordinates=",.144,1.144,.542

"     配位原子：","24g-Mg",": ",-1.5206,5.7235,-1.5206

"              SP coordinates=",.356,1.042,.356

"     配位原子：","24g-Al",": ",-.9398,2.9357,-.9398

"              SP coordinates=",.411,.778,.411

"     配位原子：","24g-Mg",": ",-.4435,6.8006,3.7594

"              SP coordinates=",.458,1.144,.856

"     配位原子：","24g-Mg",": ",.4435,3.7594,3.7594

"              SP coordinates=",.542,.856,.856

"     配位原子：","24g-Al",": ",.9398,2.9357,.9398

"              SP coordinates=",.589,.778,.589

"     配位原子：","24g-Mg",": ",1.5206,5.7235,1.5206

"              SP coordinates=",.644,1.042,.644

"24g-Al",":",.9398,2.9357,.9398,"          Z=",2

"  SP coordinates=",.589,.778,.589

"     配位原子：","24g-Mg",":  ",-1.5206,4.8365,1.5206

"             SP coordinates=",.356,.958,.644

"     配位原子：","24g-Mg",":  ",1.5206,4.8365,-1.5206

"             SP coordinates=",.644,.958,.356

余瑞璜先生的Ia=48

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×2×2＝48；或者，Ia=12×2×2＝48

 

7,"  ","24g-Mg","---","24g-Mg","      d===",3.167

"24g-Mg",":",3.7594,3.7594,.4435,"          Z=",8

"  SP coordinates=",.856,.856,.542

"     配位原子：","24g-Mg",": ",1.5206,4.8365,-1.5206

"              SP coordinates=",.644,.958,.356

"     配位原子：","24g-Mg",": ",1.5206,5.7235,1.5206

"              SP coordinates=",.644,1.042,.644

"     配位原子：","24g-Mg",": ",3.7594,6.8006,-.4435

"              SP coordinates=",.856,1.144,.458

"     配位原子：","24g-Al",": ",4.3402,6.2198,2.3443

"              SP coordinates=",.911,1.089,.722

"     配位原子：","24g-Mg",": ",4.8365,1.5206,-1.5206

"              SP coordinates=",.958,.644,.356

"     配位原子：","24g-Mg",": ",5.7235,1.5206,1.5206

"              SP coordinates=",1.042,.644,.644

"     配位原子：","24g-Al",": ",6.2198,4.3402,2.3443

"              SP coordinates=",1.089,.911,.722

"     配位原子：","24g-Mg",": ",6.8006,3.7594,-.4435

"              SP coordinates=",1.144,.856,.458

"24g-Mg",":",5.7235,1.5206,1.5206,"          Z=",8

"  SP coordinates=",1.042,.644,.644

"     配位原子：","24g-Mg",":  ",3.7594,.4435,3.7594

"             SP coordinates=",.856,.542,.856

"     配位原子：","24g-Mg",":  ",3.7594,3.7594,.4435

"             SP coordinates=",.856,.856,.542

"     配位原子：","24g-Mg",":  ",4.8365,-1.5206,1.5206

"             SP coordinates=",.958,.356,.644

"     配位原子：","24g-Mg",":  ",4.8365,1.5206,-1.5206

"             SP coordinates=",.958,.644,.356

"     配位原子：","24g-Mg",":  ",6.8006,-.4435,3.7594

"             SP coordinates=",1.144,.458,.856

"     配位原子：","24g-Mg",":  ",6.8006,3.7594,-.4435

"             SP coordinates=",1.144,.856,.458

"     配位原子：","24g-Al",":  ",7.6243,-.9398,.9398

"             SP coordinates=",1.222,.411,.589

"     配位原子：","24g-Al",":  ",7.6243,.9398,-.9398

"             SP coordinates=",1.222,.589,.411

余瑞璜先生的Ia=72

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×6×1＝72；或者，Ia=12×6×1＝72

 

8,"  ","24g-Al","---","8c-Mg","      d===",3.2003

"24g-Al",":",11.4998,2.9357,.9398,"          Z=",2

"  SP coordinates=",1.589,.778,.589

"     配位原子：","8c-Mg",": ",8.6275,1.9325,1.9325

"              SP coordinates=",1.317,.683,.683

"     配位原子：","8c-Mg",": ",12.4925,1.9325,-1.9325

"              SP coordinates=",1.683,.683,.317

"8c-Mg",":",12.4925,1.9325,-1.9325,"          Z=",6

"  SP coordinates=",1.683,.683,.317

"     配位原子：","24g-Al",":  ",9.6202,.9398,-2.9357

"             SP coordinates=",1.411,.589,.222

"     配位原子：","24g-Al",":  ",9.6202,2.9357,-.9398

"             SP coordinates=",1.411,.778,.411

"     配位原子：","24g-Al",":  ",11.4998,-.9398,-2.9357

"             SP coordinates=",1.589,.411,.222

"     配位原子：","24g-Al",":  ",11.4998,2.9357,.9398

"             SP coordinates=",1.589,.778,.589

"     配位原子：","24g-Al",":  ",13.4957,-.9398,-.9398

"             SP coordinates=",1.778,.411,.411

"     配位原子：","24g-Al",":  ",13.4957,.9398,.9398

"             SP coordinates=",1.778,.589,.589

余瑞璜先生的Ia=48

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×2×2＝48；或者，Ia=4×6×2＝48

 

9,"  ","2a-Mg","---","24g-Al","      d===",3.2225

"2a-Mg",":",-5.28,-5.28,-5.28,"          Z=",12

"  SP coordinates=",0,0,0

"     配位原子：","24g-Al",": ",-8.2157,-6.2198,-4.3402

"              SP coordinates=",-.278,-.089,.089

"     配位原子：","24g-Al",": ",-8.2157,-4.3402,-6.2198

"              SP coordinates=",-.278,.089,-.089

"     配位原子：","24g-Al",": ",-6.2198,-8.2157,-4.3402

"              SP coordinates=",-.089,-.278,.089

"     配位原子：","24g-Al",": ",-6.2198,-6.2198,-2.3443

"              SP coordinates=",-.089,-.089,.278

"     配位原子：","24g-Al",": ",-6.2198,-4.3402,-8.2157

"              SP coordinates=",-.089,.089,-.278

"     配位原子：","24g-Al",": ",-6.2198,-2.3443,-6.2198

"              SP coordinates=",-.089,.278,-.089

"     配位原子：","24g-Al",": ",-4.3402,-8.2157,-6.2198

"              SP coordinates=",.089,-.278,-.089

"     配位原子：","24g-Al",": ",-4.3402,-6.2198,-8.2157

"              SP coordinates=",.089,-.089,-.278

"     配位原子：","24g-Al",": ",-4.3402,-4.3402,-2.3443

"              SP coordinates=",.089,.089,.278

"     配位原子：","24g-Al",": ",-4.3402,-2.3443,-4.3402

"              SP coordinates=",.089,.278,.089

"     配位原子：","24g-Al",": ",-2.3443,-6.2198,-6.2198

"              SP coordinates=",.278,-.089,-.089

"     配位原子：","24g-Al",": ",-2.3443,-4.3402,-4.3402

"              SP coordinates=",.278,.089,.089

"24g-Al",":",-2.3443,-4.3402,-4.3402,"          Z=",1

"  SP coordinates=",.278,.089,.089

"     配位原子：","2a-Mg",":  ",-5.28,-5.28,-5.28

"             SP coordinates=",0,0,0

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=1×12×2＝24；或者，Ia=12×1×2＝24

 

10,"  ","2a-Mg","---","8c-Mg","      d===",3.3472

"2a-Mg",":",10.56,0,0,"          Z=",4

"  SP coordinates=",1.5,.5,.5

"     配位原子：","8c-Mg",": ",8.6275,-1.9325,-1.9325

"              SP coordinates=",1.317,.317,.317

"     配位原子：","8c-Mg",": ",8.6275,1.9325,1.9325

"              SP coordinates=",1.317,.683,.683

"     配位原子：","8c-Mg",": ",12.4925,-1.9325,1.9325

"              SP coordinates=",1.683,.317,.683

"     配位原子：","8c-Mg",": ",12.4925,1.9325,-1.9325

"              SP coordinates=",1.683,.683,.317

"8c-Mg",":",12.4925,1.9325,-1.9325,"          Z=",1

"  SP coordinates=",1.683,.683,.317

"     配位原子：","2a-Mg",":  ",10.56,0,0

"             SP coordinates=",1.5,.5,.5

余瑞璜先生的Ia=8

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=1×4×2＝8；或者，Ia=4×1×2＝8

 

11,"  ","24g-Al","---","8c-Mg","      d===",3.4298

"24g-Al",":",8.2157,4.3402,4.3402,"          Z=",1

"  SP coordinates=",1.278,.911,.911

"     配位原子：","8c-Mg",": ",8.6275,1.9325,1.9325

"              SP coordinates=",1.317,.683,.683

"8c-Mg",":",8.6275,1.9325,1.9325,"          Z=",3

"  SP coordinates=",1.317,.683,.683

"     配位原子：","24g-Al",":  ",6.2198,2.3443,4.3402

"             SP coordinates=",1.089,.722,.911

"     配位原子：","24g-Al",":  ",6.2198,4.3402,2.3443

"             SP coordinates=",1.089,.911,.722

"     配位原子：","24g-Al",":  ",8.2157,4.3402,4.3402

"             SP coordinates=",1.278,.911,.911

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×2＝24；或者，Ia=4×3×2＝24

 

12,"  ","24g-Mg","---","8c-Mg","      d===",3.5101

"24g-Mg",":",6.8006,-3.7594,.4435,"          Z=",1

"  SP coordinates=",1.144,.144,.542

"     配位原子：","8c-Mg",": ",8.6275,-1.9325,-1.9325

"              SP coordinates=",1.317,.317,.317

"8c-Mg",":",8.6275,-1.9325,-1.9325,"          Z=",3

"  SP coordinates=",1.317,.317,.317

"     配位原子：","24g-Mg",":  ",6.8006,-3.7594,.4435

"             SP coordinates=",1.144,.144,.542

"     配位原子：","24g-Mg",":  ",6.8006,.4435,-3.7594

"             SP coordinates=",1.144,.542,.144

"     配位原子：","24g-Mg",":  ",11.0035,-3.7594,-3.7594

"             SP coordinates=",1.542,.144,.144

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×2＝24；或者，Ia=4×3×2＝24

 

13,"  ","24g-Mg","---","24g-Mg","      d===",4.3009

"24g-Mg",":",5.7235,-1.5206,-1.5206,"          Z=",1

"  SP coordinates=",1.042,.356,.356

"     配位原子：","24g-Mg",": ",5.7235,1.5206,1.5206

"              SP coordinates=",1.042,.644,.644

"24g-Mg",":",5.7235,1.5206,1.5206,"          Z=",1

"  SP coordinates=",1.042,.644,.644

"     配位原子：","24g-Mg",":  ",5.7235,-1.5206,-1.5206

"             SP coordinates=",1.042,.356,.356

余瑞璜先生的Ia=12

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×1＝12；或者，Ia=12×1×1＝12

 

14,"  ","24g-Al","---","24g-Mg","      d===",4.4586

"24g-Al",":",2.9357,-.9398,-.9398,"          Z=",1

"  SP coordinates=",.778,.411,.411

"     配位原子：","24g-Mg",": ",5.7235,1.5206,1.5206

"              SP coordinates=",1.042,.644,.644

"24g-Mg",":",5.7235,1.5206,1.5206,"          Z=",1

"  SP coordinates=",1.042,.644,.644

"     配位原子：","24g-Al",":  ",2.9357,-.9398,-.9398

"             SP coordinates=",.778,.411,.411

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×1×2＝24；或者，Ia=4×3×2＝24

 

15,"  ","24g-Mg","---","24g-Mg","      d===",4.6894

"24g-Mg",":",9.0394,-4.8365,-1.5206,"          Z=",2

"  SP coordinates=",1.356,.042,.356

"     配位原子：","24g-Mg",": ",5.7235,-1.5206,-1.5206

"              SP coordinates=",1.042,.356,.356

"     配位原子：","24g-Mg",": ",9.0394,-1.5206,-4.8365

"              SP coordinates=",1.356,.356,.042

"24g-Mg",":",9.0394,-1.5206,-4.8365,"          Z=",2

"  SP coordinates=",1.356,.356,.042

"     配位原子：","24g-Mg",":  ",5.7235,-1.5206,-1.5206

"             SP coordinates=",1.042,.356,.356

"     配位原子：","24g-Mg",":  ",9.0394,-4.8365,-1.5206

"             SP coordinates=",1.356,.042,.356

余瑞璜先生的Ia=24

本文计算结果：

1(2a-Mg)4(4c-Mg)12(24g-Mg)12(24g-Al):

Ia=12×2×1＝24；或者，Ia=12×2×1＝24

 

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