![Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/2000xAny/0/0/1/513001_compound_17722.jpg)
Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World
![hydrocarbons - Why can two carbon atoms not form more than triple bond with each other? - Chemistry Stack Exchange hydrocarbons - Why can two carbon atoms not form more than triple bond with each other? - Chemistry Stack Exchange](https://i.stack.imgur.com/NoMBi.jpg)
hydrocarbons - Why can two carbon atoms not form more than triple bond with each other? - Chemistry Stack Exchange
![theoretical chemistry - Bonding in diatomic C2, a carbon-carbon quadruple bond? - Chemistry Stack Exchange theoretical chemistry - Bonding in diatomic C2, a carbon-carbon quadruple bond? - Chemistry Stack Exchange](https://i.stack.imgur.com/IFRl5.jpg)
theoretical chemistry - Bonding in diatomic C2, a carbon-carbon quadruple bond? - Chemistry Stack Exchange
![Why does carbon not form C 2 atom with 4 covalent bonds? When it form 3 covalent bonds then why not 4 bonds. Why does carbon not form C 2 atom with 4 covalent bonds? When it form 3 covalent bonds then why not 4 bonds.](https://byjus-answer-creation.s3.amazonaws.com/uploads/60e7df4424737982aa9fb83f_img_upload_solution_1648116779.png)
Why does carbon not form C 2 atom with 4 covalent bonds? When it form 3 covalent bonds then why not 4 bonds.
![I present you the quadruple C-C bond: two sigma bonds (between two non hybridized s orbitals and two non hybridized p orbitals) and two pi bonds (between four non hybridized pi orbitals) : I present you the quadruple C-C bond: two sigma bonds (between two non hybridized s orbitals and two non hybridized p orbitals) and two pi bonds (between four non hybridized pi orbitals) :](https://preview.redd.it/o3hu2wwzssm81.png?auto=webp&s=958288c4d6044fa1044a5f1f0fc25218d3e7fedc)
I present you the quadruple C-C bond: two sigma bonds (between two non hybridized s orbitals and two non hybridized p orbitals) and two pi bonds (between four non hybridized pi orbitals) :
![On the nature of homo- and hetero-dinuclear metal–metal quadruple bonds — Analysis of the bonding situation and benchmarking DFT against wave function methods On the nature of homo- and hetero-dinuclear metal–metal quadruple bonds — Analysis of the bonding situation and benchmarking DFT against wave function methods](https://cdnsciencepub.com/cms/10.1139/V10-078/asset/images/large/v10-078m1.jpeg)
On the nature of homo- and hetero-dinuclear metal–metal quadruple bonds — Analysis of the bonding situation and benchmarking DFT against wave function methods
![The Quadruple Bonding in C2 Reproduces the Properties of the Molecule - Shaik - 2016 - Chemistry – A European Journal - Wiley Online Library The Quadruple Bonding in C2 Reproduces the Properties of the Molecule - Shaik - 2016 - Chemistry – A European Journal - Wiley Online Library](https://chemistry-europe.onlinelibrary.wiley.com/cms/asset/f1e7480c-4dd7-4bf5-85ab-7b739997f33e/chem201600011-toc-0001-m.jpg)
The Quadruple Bonding in C2 Reproduces the Properties of the Molecule - Shaik - 2016 - Chemistry – A European Journal - Wiley Online Library
![Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/1024x536/0/0/1/513001_compound_17722.jpg)
Calculations predict first quadruple bond between a transition metal and silicon | Research | Chemistry World
![Room-temperature Chemical Synthesis of C2: Evidence for Quadruple Bonding Character and Role in Nanocarbon Formation | Nature Portfolio Chemistry Community Room-temperature Chemical Synthesis of C2: Evidence for Quadruple Bonding Character and Role in Nanocarbon Formation | Nature Portfolio Chemistry Community](https://chemistrycommunity.nature.com/cdn-cgi/image/metadata=copyright,fit=scale-down,format=auto,sharpen=1,quality=95/https://images.zapnito.com/uploads/0ea1d5fa871700290d0fd0d45fdee98f/27860c02-2c01-477a-a9e9-9a92f80866fe.jpeg)