# Many body methods in quantum chemistry

- Institution: IIT Bombay
- Department: Chemistry and Biochemistry
- Teacher: Prof. Sourav Pal Prof. Achintya Kumar Dutta
- Level: Undergraduate
- Language: English
- Subjects: Chemistry
- Source: [NPTEL](https://nptel.ac.in/courses/104101366)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/104101366)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Week 1 : Lecture 1 : Failure of classical mechanics](https://invisiblenetwork.ai/learn/nptel/104101366/45d44e185e21) (Video)
2. [Week 1 : Lecture 2 : Postulates of quantum mechanics](https://invisiblenetwork.ai/learn/nptel/104101366/947c1e287253) (Video)
3. [Week 1 : Lecture 3 : Postulate 5 and 6](https://invisiblenetwork.ai/learn/nptel/104101366/89351b840e27) (Video)
4. [Week 1 : Lecture 4 : Overview of exactly solvable system](https://invisiblenetwork.ai/learn/nptel/104101366/95ef9967d231) (Video)
5. [Week 1 : Lecture 5 : Introduction to many electron problem](https://invisiblenetwork.ai/learn/nptel/104101366/f772b999a084) (Video)
6. [Week 1 : Lecture 6 : Non-interacting and interacting quantum particles](https://invisiblenetwork.ai/learn/nptel/104101366/ce183e409dd4) (Video)
7. [Week 1 : Lecture 7 : Spin orbital concept](https://invisiblenetwork.ai/learn/nptel/104101366/7e2775277951) (Video)
8. [Week 1 : Lecture 8 : Slater determinant introduction](https://invisiblenetwork.ai/learn/nptel/104101366/0fd6e20b3fc4) (Video)
9. [Week 1 : Lecture 9 : Form of exact wave function for interacting particles](https://invisiblenetwork.ai/learn/nptel/104101366/0c368bd53c72) (Video)
10. [Week 1 : Lecture 10 : A brief introduction to Configuration Interaction(CI)](https://invisiblenetwork.ai/learn/nptel/104101366/5dc349a86396) (Video)
11. [Week 2 : Lecture 11 : Variational method and Rayleigh-Ritz variation](https://invisiblenetwork.ai/learn/nptel/104101366/d64eff4bdf49) (Video)
12. [Week 2 : Lecture 12 : Linear variation method](https://invisiblenetwork.ai/learn/nptel/104101366/18c99616c2b8) (Video)
13. [Week 2 : Lecture 13 : Hartree-Fock theory introduction](https://invisiblenetwork.ai/learn/nptel/104101366/bbb774666bcd) (Video)
14. [Week 2 : Lecture 14 : Slater rules for matrix elements](https://invisiblenetwork.ai/learn/nptel/104101366/ab5a649da588) (Video)
15. [Week 2 : Lecture 15 : Spin integrated for closed shell determinant](https://invisiblenetwork.ai/learn/nptel/104101366/4612b8ab1ca5) (Video)
16. [Week 2 : Lecture 16 : Examples of spin integrated determinants](https://invisiblenetwork.ai/learn/nptel/104101366/d471fdf05899) (Video)
17. [Week 2 : Lecture 17 : Introduction to Lagrange variation](https://invisiblenetwork.ai/learn/nptel/104101366/38b015d62b5c) (Video)
18. [Week 2 : Lecture 18 : General lagrange variation](https://invisiblenetwork.ai/learn/nptel/104101366/c4bff2689166) (Video)
19. [Week 3 : Lecture 19 : Lagrange variation to minimize the the Hartree-Fock energy](https://invisiblenetwork.ai/learn/nptel/104101366/be5539fee905) (Video)
20. [Week 3 : Lecture 20 : Non-canonical HF equation](https://invisiblenetwork.ai/learn/nptel/104101366/c39f47ab2ec6) (Video)
21. [Week 3 : Lecture 21 : Interpretation of coulomb and exchange terms](https://invisiblenetwork.ai/learn/nptel/104101366/c981aecdda1d) (Video)
22. [Week 3 : Lecture 22 : Unitary transformation of non-canonical HF equation](https://invisiblenetwork.ai/learn/nptel/104101366/86d9a44f138a) (Video)
23. [Week 3 : Lecture 23 : Canonical Hartree-Fock equation](https://invisiblenetwork.ai/learn/nptel/104101366/022bf7e75e06) (Video)
24. [Week 3 : Lecture 24 : Koopmans' approximation for IP](https://invisiblenetwork.ai/learn/nptel/104101366/0df27203a1e3) (Video)
25. [Week 3 : Lecture 25 : Koopmans' approximation for EA](https://invisiblenetwork.ai/learn/nptel/104101366/8999ccd4c883) (Video)
26. [Week 4 : Lecture 26 : Spin integrated Hartree-Fock for closed shell system( RHF)](https://invisiblenetwork.ai/learn/nptel/104101366/b524e5303116) (Video)
27. [Week 4 : Lecture 27 : Molecular Hartree-Fock introduction](https://invisiblenetwork.ai/learn/nptel/104101366/a6f2d65260c7) (Video)
28. [Week 4 : Lecture 28 : Hartree-Fock Rothaan Hall equation](https://invisiblenetwork.ai/learn/nptel/104101366/d9db65e23de0) (Video)
29. [Week 4 : Lecture 29 : Symmetry of two electron integrals](https://invisiblenetwork.ai/learn/nptel/104101366/3a8f9164ef33) (Video)
30. [Week 4 : Lecture 30 : HF Roothan equation in terms of atomic orbitals](https://invisiblenetwork.ai/learn/nptel/104101366/abd51d2e8c32) (Video)
31. [Week 4 : Lecture 31 : Koopmans' IP for molecules](https://invisiblenetwork.ai/learn/nptel/104101366/327652971154) (Video)
32. [Week 5 : Lecture 32 : Koopmans' EA for molecules](https://invisiblenetwork.ai/learn/nptel/104101366/d91736275d83) (Video)
33. [Week 5 : Lecture 33 : Roothaan equation in orthonormalized basis](https://invisiblenetwork.ai/learn/nptel/104101366/62d4cb91baa6) (Video)
34. [Week 5 : Lecture 34 : Review of Hartree-Fock theory](https://invisiblenetwork.ai/learn/nptel/104101366/4c434146d35e) (Video)
35. [Week 5 : Lecture 35 : Charge density, Bond order and Population analysis](https://invisiblenetwork.ai/learn/nptel/104101366/bea3a33a0e3f) (Video)
36. [Week 5 : Lecture 36 : Dipole Moment](https://invisiblenetwork.ai/learn/nptel/104101366/ca11d5d4f2e5) (Video)
37. [Week 5 : Lecture 37 : Introduction to basis set](https://invisiblenetwork.ai/learn/nptel/104101366/c824272276e9) (Video)
38. [Week 6 : Lecture 38 : Dunning and Pople basis set](https://invisiblenetwork.ai/learn/nptel/104101366/192be4de0c9d) (Video)
39. [Week 6 : Lecture 39 : Polarization and diffuse function](https://invisiblenetwork.ai/learn/nptel/104101366/a0d7b4035948) (Video)
40. [Week 6 : Lecture 40 : Brillouin's theorem and Slater's rule type-2](https://invisiblenetwork.ai/learn/nptel/104101366/ba9d645cd07f) (Video)
41. [Week 6 : Lecture 41 : Slater rule type-2](https://invisiblenetwork.ai/learn/nptel/104101366/de27be90543e) (Video)
42. [Week 6 : Lecture 42 : Spin adapted determinant](https://invisiblenetwork.ai/learn/nptel/104101366/992e6e313cff) (Video)
43. [Week 6 : Lecture 43 : Dissociation of Hydrogen molecule problem](https://invisiblenetwork.ai/learn/nptel/104101366/7967d355b3ef) (Video)
44. [Week 7 : Lecture 44 : Inadequacies of restricted Hartree-Fock theory](https://invisiblenetwork.ai/learn/nptel/104101366/31c594098c68) (Video)
45. [Week 7 : Lecture 45 : Hartree-Fock perturbation theory and correlation correction](https://invisiblenetwork.ai/learn/nptel/104101366/80fb65ba6685) (Video)
46. [Week 7 : Lecture 46 : Hartree-Fock perturbation theory (contd.)](https://invisiblenetwork.ai/learn/nptel/104101366/cf5f85b9bda3) (Video)
47. [Week 7 : Lecture 47 : Introduction of 2nd order perturbation theory](https://invisiblenetwork.ai/learn/nptel/104101366/cf68f5e342dc) (Video)
48. [Week 8 : Lecture 48 : Intermediate normalization and an expression for the Correlation energy](https://invisiblenetwork.ai/learn/nptel/104101366/d0c6187053f6) (Video)
49. [Week 8 : Lecture 49 : Slater rule -3 and derivation of 2-nd order perturbation energy](https://invisiblenetwork.ai/learn/nptel/104101366/16c596d7f777) (Video)
50. [Week 8 : Lecture 50 : Physical insight of pair correlation theory](https://invisiblenetwork.ai/learn/nptel/104101366/7c1acea378ae) (Video)
51. [Week 9 : Lecture 51 : Introduction to configuration intercation(CI)](https://invisiblenetwork.ai/learn/nptel/104101366/98afd29b09c2) (Video)
52. [Week 9 : Lecture 52 : Determine the parameter of CI](https://invisiblenetwork.ai/learn/nptel/104101366/0e608b08c436) (Video)
53. [Week 9 : Lecture 53 : Construction of CIS hamiltonian matrix](https://invisiblenetwork.ai/learn/nptel/104101366/a04b670981b0) (Video)
54. [Week 9 : Lecture 54 : Importance of doubly excited determinants in correlation contribution](https://invisiblenetwork.ai/learn/nptel/104101366/369f5eccc460) (Video)
55. [Week 9 : Lecture 55 : Intermediate normalization and an expression for the Correlation energy](https://invisiblenetwork.ai/learn/nptel/104101366/1049f12a78dc) (Video)
56. [Week 9 : Lecture 56 : CI equation in terms of Normal-Ordered hamiltonian](https://invisiblenetwork.ai/learn/nptel/104101366/af2b67c7c842) (Video)
57. [Week 10 : Lecture 57 : Doubly excited CI function (D-CI)](https://invisiblenetwork.ai/learn/nptel/104101366/ea9a08b7529c) (Video)
58. [Week 10 : Lecture 58 : Matrix structure of CISD (singly and doubly excited CI)](https://invisiblenetwork.ai/learn/nptel/104101366/2ba688518c9a) (Video)
59. [Week 10 : Lecture 59 : Some illustrative example](https://invisiblenetwork.ai/learn/nptel/104101366/f24b2e5f0716) (Video)
60. [Week 10 : Lecture 60 : Effects of singly excited determinant in the calculation](https://invisiblenetwork.ai/learn/nptel/104101366/6ea2bbde3229) (Video)
61. [Week 10 : Lecture 61 : D-CI for non-interacting hydrogen molecules](https://invisiblenetwork.ai/learn/nptel/104101366/0f5d17bdb785) (Video)
62. [Week 10 : Lecture 62 : Size consistency problem in truncated CI](https://invisiblenetwork.ai/learn/nptel/104101366/6668ee211f4a) (Video)
63. [Week 10 : Lecture 63 : N-dependence of D-CI correlation energy](https://invisiblenetwork.ai/learn/nptel/104101366/43121dc19fd1) (Video)
64. [Week 11 : Lecture 64 : problem of truncating CI](https://invisiblenetwork.ai/learn/nptel/104101366/3790d5299ddf) (Video)
65. [Week 11 : Lecture 65 : Introduction of second quantization operator in quantum mechanics](https://invisiblenetwork.ai/learn/nptel/104101366/0219a0a7f9b5) (Video)
66. [Week 11 : Lecture 66 : Creation and annihilation operator and their properties](https://invisiblenetwork.ai/learn/nptel/104101366/95ea96bb7ec4) (Video)
67. [Week 11 : Lecture 67 : Operators in second quantization](https://invisiblenetwork.ai/learn/nptel/104101366/abbb2e03bea1) (Video)
68. [Week 11 : Lecture 68 : Some basic examples related with second quantization operator](https://invisiblenetwork.ai/learn/nptel/104101366/a5384710a090) (Video)
69. [Week 11 : Lecture 69 : Hole-Particle formalism](https://invisiblenetwork.ai/learn/nptel/104101366/254613bffcae) (Video)
70. [Week 12 : Lecture 70 : Hugenholtz rule for diagrammatic construction of MP perturbation theory](https://invisiblenetwork.ai/learn/nptel/104101366/7efb1e86517c) (Video)
71. [Week 12 : Lecture 71 : Linked cluster diagram](https://invisiblenetwork.ai/learn/nptel/104101366/321b8e4837ff) (Video)
72. [Week 12 : Lecture 72 : Energy expression for higher order Moller-Plasset perturbation theory](https://invisiblenetwork.ai/learn/nptel/104101366/2a1251d15fd7) (Video)
73. [Week 12 : Lecture 73 : Diagrammatic representation of MP3 energy and some practice problem](https://invisiblenetwork.ai/learn/nptel/104101366/1bf15603ff0a) (Video)
74. [Week 12 : Lecture 74 : Overview of the some other correlation calculation method](https://invisiblenetwork.ai/learn/nptel/104101366/6f976e1fc869) (Video)
75. [Week 12 : Lecture 75 : A brief introduction to Coupled cluster theory](https://invisiblenetwork.ai/learn/nptel/104101366/ab09ab1a55e1) (Video)
76. [Live Session 04-03-2024](https://invisiblenetwork.ai/learn/nptel/104101366/45d44e185e21-2) (Video)
77. [Live Session 11-03-2024](https://invisiblenetwork.ai/learn/nptel/104101366/947c1e287253-2) (Video)
78. [Live Session 16-04-2024](https://invisiblenetwork.ai/learn/nptel/104101366/89351b840e27-2) (Video)
79. [Live Session 18-03-2025](https://invisiblenetwork.ai/learn/nptel/104101366/95ef9967d231-2) (Video)
80. [Live Session 15-04-2025](https://invisiblenetwork.ai/learn/nptel/104101366/f772b999a084-2) (Video)