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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-209.562186
Energy at 298.15K 
HF Energy-208.827055
Nuclear repulsion energy160.110826
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP3=FULL/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3757 3532 78.92      
2 A1 3334 3135 0.17      
3 A1 3311 3113 3.03      
4 A1 1546 1454 11.54      
5 A1 1457 1370 4.02      
6 A1 1197 1125 4.37      
7 A1 1107 1041 11.17      
8 A1 1045 982 23.87      
9 A1 900 847 0.14      
10 A2 862 810 0.00      
11 A2 705 663 0.00      
12 A2 616 579 0.00      
13 B1 838 788 1.54      
14 B1 742 698 131.37      
15 B1 644 606 0.82      
16 B1 462 434 70.77      
17 B2 3326 3128 3.96      
18 B2 3299 3102 2.26      
19 B2 1612 1516 2.02      
20 B2 1524 1433 9.78      
21 B2 1323 1244 1.69      
22 B2 1176 1106 1.88      
23 B2 1078 1013 20.18      
24 B2 879 826 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 18368.4 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 17271.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/cc-pVDZ
ABC
0.30277 0.29752 0.15006

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.125
H2 0.000 0.000 2.133
C3 0.000 1.127 0.336
C4 0.000 -1.127 0.336
C5 0.000 0.717 -0.989
C6 0.000 -0.717 -0.989
H7 0.000 2.121 0.774
H8 0.000 -2.121 0.774
H9 0.000 1.373 -1.857
H10 0.000 -1.373 -1.857

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00791.37591.37592.23262.23262.15012.15013.28323.2832
H21.00792.12142.12143.20353.20352.51912.51914.21984.2198
C31.37592.12142.25351.38662.27031.08703.27752.20663.3251
C41.37592.12142.25352.27031.38663.27751.08703.32512.2066
C52.23263.20351.38662.27031.43412.25433.34161.08792.2629
C62.23263.20352.27031.38661.43413.34162.25432.26291.0879
H72.15012.51911.08703.27752.25433.34164.24262.73614.3742
H82.15012.51913.27751.08703.34162.25434.24264.37422.7361
H93.28324.21982.20663.32511.08792.26292.73614.37422.7455
H103.28324.21983.32512.20662.26291.08794.37422.73612.7455

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.836 N1 C3 H7 121.169
N1 C4 C6 107.836 N1 C4 H8 121.169
H2 N1 C3 125.022 H2 N1 C4 125.022
C3 N1 C4 109.956 C3 C5 C6 107.186
C3 C5 H9 125.749 C4 C6 C5 107.186
C4 C6 H10 125.749 C5 C3 H7 130.996
C5 C6 H10 127.064 C6 C4 H8 130.996
C6 C5 H9 127.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability