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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-210.171739
Energy at 298.15K-210.177897
HF Energy-210.171739
Nuclear repulsion energy161.766590
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 wB97X-D/cc-pVTZ
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 3719 3556 67.94      
2 A1 3294 3149 0.00      
3 A1 3268 3125 3.55      
4 A1 1529 1462 8.74      
5 A1 1437 1374 3.44      
6 A1 1193 1141 2.71      
7 A1 1104 1056 13.33      
8 A1 1038 992 25.57      
9 A1 905 865 0.10      
10 A2 913 872 0.00      
11 A2 706 675 0.00      
12 A2 637 609 0.00      
13 B1 863 825 4.64      
14 B1 745 712 138.36      
15 B1 650 621 0.05      
16 B1 505 483 78.44      
17 B2 3288 3144 3.11      
18 B2 3256 3113 3.27      
19 B2 1599 1529 3.08      
20 B2 1483 1418 5.72      
21 B2 1322 1264 1.90      
22 B2 1176 1124 3.05      
23 B2 1075 1027 25.22      
24 B2 885 846 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 18294.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 17489.5 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 wB97X-D/cc-pVTZ
ABC
0.30859 0.30434 0.15322

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.113
H2 0.000 0.000 2.114
C3 0.000 1.117 0.330
C4 0.000 -1.117 0.330
C5 0.000 0.708 -0.976
C6 0.000 -0.708 -0.976
H7 0.000 2.100 0.764
H8 0.000 -2.100 0.764
H9 0.000 1.354 -1.836
H10 0.000 -1.354 -1.836

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00111.36421.36422.20572.20572.12922.12923.24553.2455
H21.00112.10512.10513.17023.17022.49682.49684.17624.1762
C31.36422.10512.23401.36842.24401.07513.24662.17913.2864
C41.36422.10512.23402.24401.36843.24661.07513.28642.1791
C52.20573.17021.36842.24401.41582.22893.30381.07622.2346
C62.20573.17022.24401.36841.41583.30382.22892.23461.0762
H72.12922.49681.07513.24662.22893.30384.20092.70554.3243
H82.12922.49683.24661.07513.30382.22894.20094.32432.7055
H93.24554.17622.17913.28641.07622.23462.70554.32432.7089
H103.24554.17623.28642.17912.23461.07624.32432.70552.7089

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.641 N1 C3 H7 121.128
N1 C4 C6 107.641 N1 C4 H8 121.128
H2 N1 C3 125.037 H2 N1 C4 125.037
C3 N1 C4 109.926 C3 C5 C6 107.396
C3 C5 H9 125.676 C4 C6 C5 107.396
C4 C6 H10 125.676 C5 C3 H7 131.232
C5 C6 H10 126.928 C6 C4 H8 131.232
C6 C5 H9 126.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.011      
2 H 0.145      
3 C -0.143      
4 C -0.143      
5 C -0.168      
6 C -0.168      
7 H 0.114      
8 H 0.114      
9 H 0.119      
10 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.940 1.940
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.551 0.000 0.000
y 0.000 -26.642 0.000
z 0.000 0.000 -23.448
Traceless
 xyz
x -8.506 0.000 0.000
y 0.000 1.857 0.000
z 0.000 0.000 6.649
Polar
3z2-r213.297
x2-y2-6.909
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.378 0.000 0.000
y 0.000 8.514 0.000
z 0.000 0.000 8.331


<r2> (average value of r2) Å2
<r2> 84.776
(<r2>)1/2 9.207