Since the lowest-lying excited
quadruplet state of niobium lies only 3.5 kcal/mol above the sextuplet ground state, the energy profile emerging from the fragments Nb([sup.4]F) + S[O.sub.2] was also calculated [18].
Now considering CS as a example, the bonding mechanism is predicted a strong electron transfer for CS to 2pz orbital of boron, giving rise to a s-bond, a back-bonding interaction in the p-system, as well as a stronger B-CS bond in the
quadruplet than doublet.
A B3LYP Study Searching for B-B Triple Bond in XBBX System (X= CO, CS, N2, CNCH3, H2O, H2S, NH3, PH3, C5H5N, F-, CN-, NO2-) An unbalanced analysis of variance was conducted, on adjusted values, which considered year to be a random effect and cross, pubescence color, pubescence density, and
quadruplet considered as fixed effects.
He informed that despite being a Hepatitis B patient, Najma gave birth to
quadruplet - two boys and two girls through caesarean section.
"In cases of higher order multiples such as triplets and
quadruplets it would be wonderful to see more home help available from the HSE.
"A 27-year-old mother has given birth on Friday night to a
quadruplet, in an operation that took about one hour in al-Haj Jalal Hospital in Numaniya township, 40 kms to the north of Kut, the center of Wassit Province," Dr.
"
Quadruplet pregnancies are always p a high burden.
Remarkably, all four - made up of two sets of identical twins - were conceived naturally in a
quadruplet pregnancy considered to be very rare and potentially very dangerous.
"Nearly 90 per cent of
quadruplet pregnancies occur as a result of seeking fertility assistance such as IVF treatments.
He said: ``The major problem with
quadruplet pregnancies is the risk of premature birth.
``Even though the Liverpool Women's Hospital is the largest and busiest maternity unit in the UK, we have had no
quadruplet pregnancies since opening in 1995 up until now.
The researchers went on to prove their new genetic code works by assigning two "unnatural" amino acids to their
quadruplet codons, and incorporated them into a protein chain.
Police said it believes Wali Mohammad, brother of the man allegedly killed by Usman, is involved in the
quadruplet murder.
Cameras follow Hertfordshire couple Jose and Julie (above) as they prepare for the birth of
quadruplet girls.