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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | 
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| -0.022 | -0.020 | -0.018 | -0.016 | -0.014 | -0.012 | -0.010 | -0.008 | -0.006 | -0.004 | -0.002 | -0.000 | 0.002 | ||||||||||||||||||||||||||||
| bond length difference calc. - exp. (Å) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (Å) | |
|---|---|---|---|
| Most negative difference | NH2CONH2 | Urea | -0.021 | 
| Most positive difference | NH2CONH2 | Urea | 0.003 | 
 Bond lengths
 
Click on entry for experimental details.
 
| Species | Name | Experimental (Å) | Difference (Å) | 
|---|---|---|---|
| NH2CONH2 | Urea | 1.021 | -0.021 | 
| CH3NH2 | methyl amine | 1.018 | -0.012 | 
| CH2NH | Methanimine | 1.023 | -0.009 | 
| N2H4 | Hydrazine | 1.016 | -0.008 | 
| NH2OH | hydroxylamine | 1.016 | -0.007 | 
| N2H2 | (E)-diazene | 1.028 | -0.006 | 
| NH3 | Ammonia | 1.012 | -0.005 | 
| NH2 | Amino radical | 1.024 | -0.005 | 
| BH2NH2 | Boranamine | 1.004 | -0.004 | 
| HNCNH | diiminomethane | 1.007 | -0.002 | 
| BH3NH3 | borane ammonia | 1.010 | -0.001 | 
| C4H5N | Pyrrole | 0.996 | -0.000 | 
| NH2CONH2 | Urea | 0.998 | 0.003 |