Ideas of Quantum Chemistry P32 doc
Ideas of Quantum Chemistry P32 doc
... independent of the quantum number J (resulting from different angles between l and j).
8
The projections of the angular momenta are quantized.
9
In the case of two vectors of the same length, the role of ... Cycloalkanes”.
276
7. Motion of Nuclei
• Anisotropy of the potential V
• Adding the angular momenta in quantum mechanics
• Application of the Ritz method
• Calculation...
Ideas of Quantum Chemistry P9 docx
... momentum of a particle (one of two particles).
9. Entangled states mean:
a) the real and imaginary parts of the wave function; b) a single state of two separated
particles causing dependence of the ... respect to the symmetry of the nuclear framework
• Conservation of total spin
• Indices of spectroscopic states
1
Three condensed benzene rings.
55
50
1. The Magic of Quantum...
Ideas of Quantum Chemistry P12 docx
... well as L.I. Schiff, Quantum Mechanics”, McGraw Hill (1968).
24
Of course, there are plenty of unstable positions of the chair with respect to the floor. The stationary
states of the chair have more ... are no more stable states of the chair
24
and there are only four energy levels,
Fig. 2.6. The stable states of the chair are analogues to the stationary quantum
states of Fig....
Ideas of Quantum Chemistry P15 docx
... it will be assumed that both sides
of them will act on a wavefunction.
Oskar Klein (1894–1977) was
the youngest son of the chief
rabi of Sweden and professor
of mathematics and physics
at Stockholm ... discuss them represent the cornerstone
and the beauty of university life): will the human body survive the switching off of relativistic effects?
Most of the biomolecules would fu...
Ideas of Quantum Chemistry P17 docx
... of the order of c
2
(in a.u.), and with the (unit) mass
of the electron m
0
,itisoftheorderofm
0
c
2
. Therefore, the minus sign before the
square root corresponds to a solution with energy of ... turned
out to be approximate not only from the
point of view of quantum theory (some
interactions not taken into account) but
also from the point of view of relativity
theory (an a...
Ideas of Quantum Chemistry P20 doc
... of the particle in a box. What then happens to the
nodes of the wave function for the particle going through two barriers? Here are
the plots for the off-resonance (Fig. 4.8) and resonance (of ... the widest to the highest
energy. The width of resonances is related to the notion of the resonance life-time τ (τ is proportional
to the inverse of the resonance width).
30
It correspond...
Ideas of Quantum Chemistry P21 docx
... quantum number,vibrational
quantum
number
the variable ξ is proportional to the displacement x:
ξ =
√
αx α =
km
¯
h
2
ν=
1
2π
k
m
frequency
is the frequency of the classical vibration of ... separation of variables, the wave
function is a product of the two wave functions for the harmonic oscillators with x
and y variables, respectively).
The harmonic oscillator is one of...
Ideas of Quantum Chemistry P24 docx
... λ. The physical meaning of these expansions is the follow-
ing: E
(0)
k
and ψ
(0)
k
are good approximations of E
k
(λ) and ψ
k
(λ). The rest will be calculated as a sum
of small correction terms.
198
5. ... e.g., because the wave functions have been cut out
of it earlier.
Beware of mathematical states
We mentioned in Chapter 1 that not all solutions of the Schrödinger equation are...
Ideas of Quantum Chemistry P42 doc
... at 32 professor of Chemistry
at the University in Sankt Petersburg. Since he
had no good textbook, he started to write his
own (“Principles of chemistry ). This is when
he discovered one of the ... (1916–2000),
Swedish chemist and physi-
cist, student of Pauli, pro-
fessor at the University of
Uppsala (Sweden), founder
and professor of the Quantum
Theory Project at Gainesvill...
Ideas of Quantum Chemistry P43 docx
... character of the
chemical bond,
3) the shift of the maximum electron density towards one of the atoms which indi-
cates the polarization of the bond,
bond
polarization
4) the shift of the maximum ... interactions
have been denoted by arrows:
there are all kinds of interac-
tions of the fragments of one
atom with the fragments of the
second one.
—(b)The quantum picture –
su...
Từ khóa: