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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-210.249043
Energy at 298.15K-210.255144
HF Energy-210.249043
Nuclear repulsion energy161.302887
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/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 3675 3552 61.47      
2 A1 3264 3155 0.08      
3 A1 3243 3135 4.03      
4 A1 1503 1453 7.15      
5 A1 1418 1371 3.78      
6 A1 1175 1136 2.15      
7 A1 1093 1056 7.88      
8 A1 1035 1000 29.53      
9 A1 903 873 0.23      
10 A2 885 856 0.00      
11 A2 696 672 0.00      
12 A2 632 611 0.00      
13 B1 839 811 1.46      
14 B1 734 709 141.90      
15 B1 644 622 0.00      
16 B1 484 468 69.50      
17 B2 3259 3150 3.89      
18 B2 3232 3124 2.98      
19 B2 1577 1525 3.14      
20 B2 1451 1402 5.75      
21 B2 1318 1274 0.91      
22 B2 1159 1120 1.94      
23 B2 1070 1034 25.43      
24 B2 882 852 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 18084.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 17480.1 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/cc-pVTZ
ABC
0.30671 0.30256 0.15231

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.122
C3 0.000 1.122 0.331
C4 0.000 -1.122 0.331
C5 0.000 0.710 -0.980
C6 0.000 -0.710 -0.980
H7 0.000 2.107 0.762
H8 0.000 -2.107 0.762
H9 0.000 1.356 -1.842
H10 0.000 -1.356 -1.842

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00321.37061.37062.21522.21522.13722.13723.25563.2556
H21.00322.11322.11323.18173.18172.50792.50794.18864.1886
C31.37062.11322.24331.37332.25251.07563.25742.18473.2948
C41.37062.11322.24332.25251.37333.25741.07563.29482.1847
C52.21523.18171.37332.25251.42102.23233.31231.07652.2387
C62.21523.18172.25251.37331.42103.31232.23232.23871.0765
H72.13722.50791.07563.25742.23233.31234.21432.70944.3322
H82.13722.50793.25741.07563.31232.23234.21434.33222.7094
H93.25564.18862.18473.29481.07652.23872.70944.33222.7115
H103.25564.18863.29482.18472.23871.07654.33222.70942.7115

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.663 N1 C3 H7 121.297
N1 C4 C6 107.663 N1 C4 H8 121.297
H2 N1 C3 125.083 H2 N1 C4 125.083
C3 N1 C4 109.835 C3 C5 C6 107.420
C3 C5 H9 125.755 C4 C6 C5 107.420
C4 C6 H10 125.755 C5 C3 H7 131.040
C5 C6 H10 126.825 C6 C4 H8 131.040
C6 C5 H9 126.825
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.016      
2 H 0.147      
3 C -0.135      
4 C -0.135      
5 C -0.148      
6 C -0.148      
7 H 0.111      
8 H 0.111      
9 H 0.107      
10 H 0.107      


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 1.898 1.898
CHELPG        
AIM        
ESP 0.000 0.000 1.881 1.881


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.716 0.000 0.000
y 0.000 -27.086 0.000
z 0.000 0.000 -23.893
Traceless
 xyz
x -8.226 0.000 0.000
y 0.000 1.718 0.000
z 0.000 0.000 6.508
Polar
3z2-r213.015
x2-y2-6.630
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.360 0.000 0.000
y 0.000 8.650 0.000
z 0.000 0.000 8.412


<r2> (average value of r2) Å2
<r2> 85.374
(<r2>)1/2 9.240