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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-209.928897
Energy at 298.15K-209.934891
HF Energy-209.704845
Nuclear repulsion energy160.800563
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3692 3505 58.16      
2 A1 3312 3143 0.07      
3 A1 3290 3123 5.86      
4 A1 1531 1454 8.32      
5 A1 1453 1379 5.14      
6 A1 1187 1126 2.23      
7 A1 1117 1060 7.13      
8 A1 1055 1001 26.61      
9 A1 903 857 0.17      
10 A2 846 803 0.00      
11 A2 665 631 0.00      
12 A2 622 591 0.00      
13 B1 807 766 8.81      
14 B1 728 691 123.30      
15 B1 641 609 1.34      
16 B1 444 421 80.32      
17 B2 3307 3139 6.73      
18 B2 3279 3112 2.99      
19 B2 1604 1522 5.00      
20 B2 1489 1414 9.06      
21 B2 1333 1265 1.64      
22 B2 1183 1123 2.25      
23 B2 1088 1033 22.31      
24 B2 881 836 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 18227.1 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 17301.2 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 B2PLYP/6-31G*
ABC
0.30500 0.30053 0.15137

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.128
H2 0.000 0.000 2.130
C3 0.000 1.125 0.330
C4 0.000 -1.125 0.330
C5 0.000 0.725 -0.992
C6 0.000 -0.725 -0.992
H7 0.000 2.098 0.762
H8 0.000 -2.098 0.762
H9 0.000 1.421 -1.800
H10 0.000 -1.421 -1.800

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00181.37981.37982.24042.24042.12942.12943.25483.2548
H21.00182.12282.12283.20483.20482.50402.50404.17904.1790
C31.37982.12282.25101.38122.27401.06433.25222.15043.3200
C41.37982.12282.25102.27401.38123.25221.06433.32002.1504
C52.24043.20481.38122.27401.44982.22783.32361.06682.2932
C62.24043.20482.27401.38121.44983.32362.22782.29321.0668
H72.12942.50401.06433.25222.22783.32364.19562.65064.3532
H82.12942.50403.25221.06433.32362.22784.19564.35322.6506
H93.25484.17902.15043.32001.06682.29322.65064.35322.8422
H103.25484.17903.32002.15042.29321.06684.35322.65062.8422

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 108.483 N1 C3 H7 120.668
N1 C4 C6 108.483 N1 C4 H8 120.668
H2 N1 C3 125.342 H2 N1 C4 125.342
C3 N1 C4 109.315 C3 C5 C6 106.860
C3 C5 H9 122.400 C4 C6 C5 106.860
C4 C6 H10 122.400 C5 C3 H7 130.849
C5 C6 H10 130.741 C6 C4 H8 130.849
C6 C5 H9 130.741
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.615      
2 H 0.356      
3 C 0.022      
4 C 0.022      
5 C -0.212      
6 C -0.212      
7 H 0.167      
8 H 0.167      
9 H 0.152      
10 H 0.152      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.627 0.000 0.000
y 0.000 7.703 0.000
z 0.000 0.000 7.597


<r2> (average value of r2) Å2
<r2> 85.375
(<r2>)1/2 9.240