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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-210.114091
Energy at 298.15K-210.120308
HF Energy-210.114091
Nuclear repulsion energy160.013663
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 B3LYP/6-31G
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 3696 3555 46.70      
2 A1 3308 3182 0.07      
3 A1 3279 3155 7.69      
4 A1 1512 1454 7.97      
5 A1 1438 1384 6.25      
6 A1 1178 1134 1.46      
7 A1 1117 1074 6.93      
8 A1 1050 1010 32.61      
9 A1 922 887 0.42      
10 A2 917 883 0.00      
11 A2 718 691 0.00      
12 A2 640 616 0.00      
13 B1 863 830 5.28      
14 B1 751 723 121.29      
15 B1 646 622 6.75      
16 B1 601 578 134.74      
17 B2 3300 3175 7.76      
18 B2 3266 3142 4.52      
19 B2 1600 1539 7.99      
20 B2 1466 1411 10.25      
21 B2 1346 1294 0.51      
22 B2 1192 1146 1.67      
23 B2 1089 1047 24.85      
24 B2 902 867 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 18397.4 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 17698.3 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 B3LYP/6-31G
ABC
0.30128 0.29796 0.14981

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.130
H2 0.000 0.000 2.136
C3 0.000 1.134 0.332
C4 0.000 -1.134 0.332
C5 0.000 0.716 -0.987
C6 0.000 -0.716 -0.987
H7 0.000 2.124 0.760
H8 0.000 -2.124 0.760
H9 0.000 1.359 -1.854
H10 0.000 -1.359 -1.854

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00611.38651.38652.23442.23442.15562.15563.27903.2790
H21.00612.13102.13103.20383.20382.53072.53074.21544.2154
C31.38652.13102.26741.38302.27131.07833.28522.19763.3152
C41.38652.13102.26742.27131.38303.28521.07833.31522.1976
C52.23443.20381.38302.27131.43162.24293.33331.07992.2486
C62.23443.20382.27131.38301.43163.33332.24292.24861.0799
H72.15562.53071.07833.28522.24293.33334.24702.72354.3541
H82.15562.53073.28521.07833.33332.24294.24704.35412.7235
H93.27904.21542.19763.31521.07992.24862.72354.35412.7173
H103.27904.21543.31522.19762.24861.07994.35412.72352.7173

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.562 N1 C3 H7 121.475
N1 C4 C6 107.562 N1 C4 H8 121.475
H2 N1 C3 125.150 H2 N1 C4 125.150
C3 N1 C4 109.700 C3 C5 C6 107.588
C3 C5 H9 125.879 C4 C6 C5 107.588
C4 C6 H10 125.879 C5 C3 H7 130.963
C5 C6 H10 126.534 C6 C4 H8 130.963
C6 C5 H9 126.534
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.663      
2 H 0.318      
3 C 0.083      
4 C 0.083      
5 C -0.175      
6 C -0.175      
7 H 0.143      
8 H 0.143      
9 H 0.121      
10 H 0.121      


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 1.899 1.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.234 0.000 0.000
y 0.000 -26.455 0.000
z 0.000 0.000 -23.375
Traceless
 xyz
x -8.319 0.000 0.000
y 0.000 1.849 0.000
z 0.000 0.000 6.470
Polar
3z2-r212.941
x2-y2-6.779
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.363 0.000 0.000
y 0.000 7.693 0.000
z 0.000 0.000 7.592


<r2> (average value of r2) Å2
<r2> 86.109
(<r2>)1/2 9.280