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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-209.545709
Energy at 298.15K-209.551755
HF Energy-208.818657
Nuclear repulsion energy161.070428
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 MP3/6-31+G**
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 3815 3550 71.73      
2 A1 3374 3140 0.33      
3 A1 3352 3119 4.88      
4 A1 1571 1462 12.58      
5 A1 1484 1381 6.23      
6 A1 1209 1125 3.25      
7 A1 1131 1053 11.34      
8 A1 1072 998 24.46      
9 A1 914 850 0.31      
10 A2 828 771 0.00      
11 A2 684 637 0.00      
12 A2 600 558 0.00      
13 B1 819 762 6.35      
14 B1 738 686 127.80      
15 B1 639 595 1.91      
16 B1 452 420 82.84      
17 B2 3367 3133 7.38      
18 B2 3341 3109 2.47      
19 B2 1647 1532 3.21      
20 B2 1541 1434 14.78      
21 B2 1362 1267 1.47      
22 B2 1203 1119 1.78      
23 B2 1109 1032 17.84      
24 B2 891 829 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 18571.5 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 17280.8 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 MP3/6-31+G**
ABC
0.30574 0.30154 0.15181

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.123
H2 0.000 0.000 2.125
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.715 -0.983
C6 0.000 -0.715 -0.983
H7 0.000 2.109 0.762
H8 0.000 -2.109 0.762
H9 0.000 1.359 -1.844
H10 0.000 -1.359 -1.844

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00131.37461.37462.22402.22402.13932.13933.26373.2637
H21.00132.11632.11633.18853.18852.51052.51054.19484.1948
C31.37462.11632.24671.37572.25951.07533.26052.18773.3005
C41.37462.11632.24672.25951.37573.26051.07533.30052.1877
C52.22403.18851.37572.25951.42992.23293.31901.07552.2458
C62.22403.18852.25951.37571.42993.31902.23292.24581.0755
H72.13932.51051.07533.26052.23293.31904.21712.71154.3377
H82.13932.51053.26051.07533.31902.23294.21714.33772.7115
H93.26374.19482.18773.30051.07552.24582.71154.33772.7183
H103.26374.19483.30052.18772.24581.07554.33772.71152.7183

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.924 N1 C3 H7 121.181
N1 C4 C6 107.924 N1 C4 H8 121.181
H2 N1 C3 125.194 H2 N1 C4 125.194
C3 N1 C4 109.613 C3 C5 C6 107.270
C3 C5 H9 125.935 C4 C6 C5 107.270
C4 C6 H10 125.935 C5 C3 H7 130.895
C5 C6 H10 126.796 C6 C4 H8 130.895
C6 C5 H9 126.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability