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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP4/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/Def2TZVPP
 hartrees
Energy at 0K-209.803413
Energy at 298.15K 
HF Energy-208.890201
Nuclear repulsion energy160.648413
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 MP4/Def2TZVPP
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 3689 3689        
2 A1 3279 3279        
3 A1 3258 3258        
4 A1 1497 1497        
5 A1 1416 1416        
6 A1 1160 1160        
7 A1 1096 1096        
8 A1 1032 1032        
9 A1 886 886        
10 A2 834 834        
11 A2 671 671        
12 A2 606 606        
13 B1 812 812        
14 B1 725 725        
15 B1 635 635        
16 B1 447 447        
17 B2 3272 3272        
18 B2 3247 3247        
19 B2 1557 1557        
20 B2 1457 1457        
21 B2 1305 1305        
22 B2 1158 1158        
23 B2 1061 1061        
24 B2 864 864        

Unscaled Zero Point Vibrational Energy (zpe) 17982.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17982.0 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 MP4/Def2TZVPP
ABC
0.30460 0.29951 0.15101

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/Def2TZVPP

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 2.127
C3 0.000 1.126 0.333
C4 0.000 -1.126 0.333
C5 0.000 0.713 -0.986
C6 0.000 -0.713 -0.986
H7 0.000 2.111 0.769
H8 0.000 -2.111 0.769
H9 0.000 1.361 -1.848
H10 0.000 -1.361 -1.848

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00411.37501.37502.22612.22612.14082.14083.26753.2675
H21.00412.11762.11763.19353.19352.51052.51054.20134.2013
C31.37502.11762.25171.38242.26331.07733.26632.19393.3076
C41.37502.11762.25172.26331.38243.26631.07733.30762.1939
C52.22613.19351.38242.26331.42642.24353.32511.07802.2458
C62.22613.19352.26331.38241.42643.32512.24352.24581.0780
H72.14082.51051.07733.26632.24353.32514.22262.72204.3474
H82.14082.51053.26631.07733.32512.24354.22264.34742.7220
H93.26754.20132.19393.30761.07802.24582.72204.34742.7212
H103.26754.20133.30762.19392.24581.07804.34742.72202.7212

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.670 N1 C3 H7 121.137
N1 C4 C6 107.670 N1 C4 H8 121.137
H2 N1 C3 125.038 H2 N1 C4 125.038
C3 N1 C4 109.925 C3 C5 C6 107.367
C3 C5 H9 125.722 C4 C6 C5 107.367
C4 C6 H10 125.722 C5 C3 H7 131.193
C5 C6 H10 126.911 C6 C4 H8 131.193
C6 C5 H9 126.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability