The following questions concern experimental parameters for
obtaining 13C spectra and how to explain unexpected results. The
first spectrum is a standard broadband decoupled spectrum of
camphor
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The following questions concern experimental parameters for obtaining 13C spectra and how to expl...
The following questions concern experimental parameters for obtaining 13C spectra and how to expl...
The following questions concern experimental parameters for
obtaining 13C spectra and how to explain unexpected results. The
first spectrum is a standard broadband decoupled spectrum of
camphor?
Collection parameters 45o tip angle, D1 6 s Low power broadband 1H irradiation during D1 to buildup NOE (30 dB below 20 W), and high power protons (5 dB below 20 W) 70 60 50 40 30 20 10 ppm B reason for the difference between the spectra? In this case, the spectrum...
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88...
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88 g/mol. A) (1 point) The broad peak at -3100 cm and the strong peak at 1700 cm' combined indicate the presence of what functional group? B) (1 point) How many hydrogen neighbors does the septet at 2.6 ppm in the 'H NMR spectrum have? C) (1 point) What functional group is indicated by the peak at 184 ppm in the C spectrum? D) (1...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NM...
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
a. Using the most abundant isotopes of C, H and O, what are the
errors in ppm and milli-Daltons for the experimental accurate
mass?...
Need help drawing the skeletal structure of the unknown compound Information: Each spectra below was obtained...
Need help drawing the skeletal structure of the unknown compound
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm HNMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (values) are listed next to the peaks for some examples. For some spectra, an inset (grey box)...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NM...
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
d. If there are still any questionable assignments, propose
additional NMR experiments which would solve those questions and
briefly explain specifically what correlations you...
Please answer questions 2,3, and 4 that correspond to the nmr spectra of (2E,6E)-2,6-dibenzylidenecyclohexanone. Product: ppm...
Please answer questions 2,3, and 4 that correspond to the nmr
spectra of (2E,6E)-2,6-dibenzylidenecyclohexanone.
Product:
ppm BE 06 135 94 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 ppm 30 20 2. Are there any non-aromatic or non-alkene protons seen on the 'H NMR spectrum (yes or no)? If so, list the corresponding ppm value(s): 3. Are there any peaks upfield of 70 ppm seen in the 13C NMR spectrum (yes or...
3. Identify each compound in the following questions and make assignments in the 1H NMR. e)...
3. Identify each compound in the following questions and make
assignments in the 1H NMR.
e) Compound-5-with-1H-NMR-and-mass-spectrum-given. 100 MS-NW-3193 80 60 otrophittttttttttttt 10 20 30 40 50 60 70 m/z 80 t 90 100
8. (10 points) The following spectra correspond to compounds AE listed below con pound to its...
8. (10 points) The following spectra correspond to compounds AE listed below con pound to its corresponding spestre Label very simal on the spectrum (as Co . ctc.). Spectrum CDCI, 190 160 170 160 150 140 130 120 110 100 80 80 Spectrum 2 70 80 50 40 30 20 10 O le CDCI, 190 180 170 180 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 O de CDCI, 190 180 170 180...
These are IR,1H,13C spectrums and the compound formula weight(FW) is 116. How can I detetmine the...
These are IR,1H,13C spectrums and the compound formula
weight(FW) is 116.
How can I detetmine the structure of compound??
Help me!
%T PerkinElmer Spectrum Version 10.4.4 Thursday, November 21, 2019 9:36 AM Analyst Administrator Date Thursday, November 21, 2019 9:36 AM 86 80 3646.74cm- 2042.99cm-1 70- 3455.51cm-1 CEC stretch 586.52cm-1 0-H Sttetch N-H sthet h 798 45em-1 P751 90cm-1 775 31cm-1 863.88cm-1 $33.95cm-1 60 Unkown 3 50 40 1421 97dm-1 30 131 h1PBabocm-1 | 2877.61cm-1 1462.97cmt 20 2937.87cm-1 1304.17em-11027.87cm-1 1371...
Please help propose interpretations of the spectra for the two unknowns pictured below. Identification and drawing...
Please help propose interpretations of the spectra for the two
unknowns pictured below. Identification and drawing of the unknowns
would be much appreciated and will get a thumbs up.
Liquid T alcohol MS Relative Intensity 0- r 10 20 30 40 50 70 80 90 100 60 m/z Liquid T "H-NMR broad singlet, IH doublet, 6H quartet, 2H triplet, 2H nonet, IH PPM C-NMR PPM Sold e Carboxylic acid Mass Spec. 100 Relative Intensity optippropri protiletterturmflopperprompt 25 50 75 100...
The following questions concern experimental parameters for
obtaining 13C spectra and how to explain unexpected results. The
first spectrum is a standard broadband decoupled spectrum of
camphor?
Collection parameters 45o tip angle, D1 6 s Low power broadband 1H irradiation during D1 to buildup NOE (30 dB below 20 W), and high power protons (5 dB below 20 W) 70 60 50 40 30 20 10 ppm B reason for the difference between the spectra? In this case, the spectrum...
Answer the following questions about the provided spectra: The Molecular Weight of the compound is 88 g/mol. A) (1 point) The broad peak at -3100 cm and the strong peak at 1700 cm' combined indicate the presence of what functional group? B) (1 point) How many hydrogen neighbors does the septet at 2.6 ppm in the 'H NMR spectrum have? C) (1 point) What functional group is indicated by the peak at 184 ppm in the C spectrum? D) (1...
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
a. Using the most abundant isotopes of C, H and O, what are the
errors in ppm and milli-Daltons for the experimental accurate
mass?...
Need help drawing the skeletal structure of the unknown compound
Information: Each spectra below was obtained from a pure compound. Mass Spectrum parent peaks (M) are listed for all examples. IR peaks listed are strong (s) unless otherwise indicated for signals above 1500 cm HNMR Spectra, the integral is given in number of hydrogens (#H) or as a relative ratio. Important coupling constants (values) are listed next to the peaks for some examples. For some spectra, an inset (grey box)...
A variety of spectra for an organic compound with molecular
formula C10H16O are presented below. The
experimental accurate mass using (+) APCI source is 153.1280 u. The
1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following
slides. Propose a structure for this unknown and answer or address
the following questions or requirements:
d. If there are still any questionable assignments, propose
additional NMR experiments which would solve those questions and
briefly explain specifically what correlations you...
Please answer questions 2,3, and 4 that correspond to the nmr
spectra of (2E,6E)-2,6-dibenzylidenecyclohexanone.
Product:
ppm BE 06 135 94 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 ppm 30 20 2. Are there any non-aromatic or non-alkene protons seen on the 'H NMR spectrum (yes or no)? If so, list the corresponding ppm value(s): 3. Are there any peaks upfield of 70 ppm seen in the 13C NMR spectrum (yes or...
3. Identify each compound in the following questions and make
assignments in the 1H NMR.
e) Compound-5-with-1H-NMR-and-mass-spectrum-given. 100 MS-NW-3193 80 60 otrophittttttttttttt 10 20 30 40 50 60 70 m/z 80 t 90 100
8. (10 points) The following spectra correspond to compounds AE listed below con pound to its corresponding spestre Label very simal on the spectrum (as Co . ctc.). Spectrum CDCI, 190 160 170 160 150 140 130 120 110 100 80 80 Spectrum 2 70 80 50 40 30 20 10 O le CDCI, 190 180 170 180 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 O de CDCI, 190 180 170 180...
These are IR,1H,13C spectrums and the compound formula
weight(FW) is 116.
How can I detetmine the structure of compound??
Help me!
%T PerkinElmer Spectrum Version 10.4.4 Thursday, November 21, 2019 9:36 AM Analyst Administrator Date Thursday, November 21, 2019 9:36 AM 86 80 3646.74cm- 2042.99cm-1 70- 3455.51cm-1 CEC stretch 586.52cm-1 0-H Sttetch N-H sthet h 798 45em-1 P751 90cm-1 775 31cm-1 863.88cm-1 $33.95cm-1 60 Unkown 3 50 40 1421 97dm-1 30 131 h1PBabocm-1 | 2877.61cm-1 1462.97cmt 20 2937.87cm-1 1304.17em-11027.87cm-1 1371...
Please help propose interpretations of the spectra for the two
unknowns pictured below. Identification and drawing of the unknowns
would be much appreciated and will get a thumbs up.
Liquid T alcohol MS Relative Intensity 0- r 10 20 30 40 50 70 80 90 100 60 m/z Liquid T "H-NMR broad singlet, IH doublet, 6H quartet, 2H triplet, 2H nonet, IH PPM C-NMR PPM Sold e Carboxylic acid Mass Spec. 100 Relative Intensity optippropri protiletterturmflopperprompt 25 50 75 100...
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