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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-207.432359
Energy at 298.15K-207.437911
HF Energy-207.432359
Nuclear repulsion energy156.991842
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 BLYP/STO-3G
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 3649 3376 35.75      
2 A1 3429 3173 1.11      
3 A1 3400 3146 11.14      
4 A1 1549 1433 5.00      
5 A1 1458 1349 9.78      
6 A1 1177 1089 2.46      
7 A1 1112 1029 2.40      
8 A1 1050 972 11.89      
9 A1 889 823 0.01      
10 A2 884 818 0.00      
11 A2 683 632 0.00      
12 A2 616 570 0.00      
13 B1 835 773 2.55      
14 B1 723 669 49.49      
15 B1 617 571 9.16      
16 B1 373 345 62.99      
17 B2 3416 3161 15.32      
18 B2 3390 3137 2.73      
19 B2 1627 1505 7.51      
20 B2 1496 1384 6.03      
21 B2 1325 1225 1.66      
22 B2 1153 1067 0.75      
23 B2 1082 1001 13.98      
24 B2 879 813 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 18406.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 17029.7 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 BLYP/STO-3G
ABC
0.28983 0.28774 0.14439

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.153
H2 0.000 0.000 2.206
C3 0.000 1.160 0.329
C4 0.000 -1.160 0.329
C5 0.000 0.724 -1.001
C6 0.000 -0.724 -1.001
H7 0.000 2.166 0.778
H8 0.000 -2.166 0.778
H9 0.000 1.376 -1.888
H10 0.000 -1.376 -1.888

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.05231.42291.42292.27282.27282.19842.19843.33793.3379
H21.05232.20582.20583.28743.28742.59442.59444.31844.3184
C31.42292.20582.32031.40012.30681.10123.35632.22793.3685
C41.42292.20582.32032.30681.40013.35631.10123.36852.2279
C52.27283.28741.40012.30681.44852.28963.39381.10042.2794
C62.27283.28742.30681.40011.44853.39382.28962.27941.1004
H72.19842.59441.10123.35632.28963.39384.33222.78034.4327
H82.19842.59443.35631.10123.39382.28964.33224.43272.7803
H93.33794.31842.22793.36851.10042.27942.78034.43272.7511
H103.33794.31843.36852.22792.27941.10044.43272.78032.7511

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.238 N1 C3 H7 120.610
N1 C4 C6 107.238 N1 C4 H8 120.610
H2 N1 C3 125.378 H2 N1 C4 125.378
C3 N1 C4 109.244 C3 C5 C6 108.140
C3 C5 H9 125.568 C4 C6 C5 108.140
C4 C6 H10 125.568 C5 C3 H7 132.151
C5 C6 H10 126.292 C6 C4 H8 132.151
C6 C5 H9 126.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.248      
2 H 0.218      
3 C -0.023      
4 C -0.023      
5 C -0.112      
6 C -0.112      
7 H 0.079      
8 H 0.079      
9 H 0.071      
10 H 0.071      


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 1.929 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.863 0.000 0.000
y 0.000 -25.461 0.000
z 0.000 0.000 -22.339
Traceless
 xyz
x -5.963 0.000 0.000
y 0.000 0.640 0.000
z 0.000 0.000 5.322
Polar
3z2-r210.645
x2-y2-4.402
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.744 0.000 0.000
y 0.000 5.206 0.000
z 0.000 0.000 5.323


<r2> (average value of r2) Å2
<r2> 87.623
(<r2>)1/2 9.361