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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3/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/cc-pVDZ
 hartrees
Energy at 0K-209.550321
Energy at 298.15K 
HF Energy-208.826820
Nuclear repulsion energy159.997765
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/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 3753 3558 78.70      
2 A1 3328 3155 0.18      
3 A1 3305 3133 3.12      
4 A1 1544 1463 11.50      
5 A1 1455 1379 4.09      
6 A1 1195 1133 4.38      
7 A1 1105 1048 11.17      
8 A1 1043 989 23.87      
9 A1 899 852 0.14      
10 A2 857 812 0.00      
11 A2 701 664 0.00      
12 A2 614 582 0.00      
13 B1 834 790 1.64      
14 B1 740 701 131.66      
15 B1 643 609 0.79      
16 B1 457 433 70.36      
17 B2 3321 3148 4.10      
18 B2 3293 3122 2.27      
19 B2 1610 1526 2.05      
20 B2 1521 1442 9.84      
21 B2 1322 1253 1.65      
22 B2 1175 1113 1.83      
23 B2 1076 1020 20.05      
24 B2 878 832 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 18332.9 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 17377.7 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/cc-pVDZ
ABC
0.30232 0.29713 0.14985

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.126
H2 0.000 0.000 2.134
C3 0.000 1.128 0.336
C4 0.000 -1.128 0.336
C5 0.000 0.718 -0.990
C6 0.000 -0.718 -0.990
H7 0.000 2.123 0.775
H8 0.000 -2.123 0.775
H9 0.000 1.374 -1.859
H10 0.000 -1.374 -1.859

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00851.37691.37692.23412.23412.15182.15183.28563.2856
H21.00852.12292.12293.20563.20562.52102.52104.22284.2228
C31.37692.12292.25511.38752.27191.08803.28012.20823.3275
C41.37692.12292.25512.27191.38753.28011.08803.32752.2082
C52.23413.20561.38752.27191.43512.25603.34411.08892.2647
C62.23413.20562.27191.38751.43513.34412.25602.26471.0889
H72.15182.52101.08803.28012.25603.34414.24602.73804.3776
H82.15182.52103.28011.08803.34412.25604.24604.37762.7380
H93.28564.22282.20823.32751.08892.26472.73804.37762.7476
H103.28564.22283.32752.20822.26471.08894.37762.73802.7476

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.834 N1 C3 H7 121.175
N1 C4 C6 107.834 N1 C4 H8 121.175
H2 N1 C3 125.021 H2 N1 C4 125.021
C3 N1 C4 109.958 C3 C5 C6 107.187
C3 C5 H9 125.749 C4 C6 C5 107.187
C4 C6 H10 125.749 C5 C3 H7 130.991
C5 C6 H10 127.064 C6 C4 H8 130.991
C6 C5 H9 127.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability