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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-209.920443
Energy at 298.15K 
HF Energy-209.920443
Nuclear repulsion energy159.845654
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 PBEPBEultrafine/6-31+G**
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 3607 3565 58.24      
2 A1 3218 3181 0.01      
3 A1 3197 3161 3.50      
4 A1 1463 1447 10.98      
5 A1 1398 1383 2.02      
6 A1 1151 1138 2.47      
7 A1 1074 1061 5.73      
8 A1 1015 1003 32.21      
9 A1 868 858 0.21      
10 A2 837 828 0.00      
11 A2 644 636 0.00      
12 A2 605 598 0.00      
13 B1 785 776 4.09      
14 B1 696 688 183.14      
15 B1 620 613 0.32      
16 B1 466 460 68.66      
17 B2 3212 3175 2.89      
18 B2 3186 3150 2.64      
19 B2 1533 1516 1.34      
20 B2 1426 1410 6.32      
21 B2 1266 1252 2.13      
22 B2 1137 1124 3.84      
23 B2 1041 1029 30.68      
24 B2 844 834 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 17643.4 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 17442.3 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 PBEPBEultrafine/6-31+G**
ABC
0.30178 0.29670 0.14961

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.127
H2 0.000 0.000 2.141
C3 0.000 1.131 0.335
C4 0.000 -1.131 0.335
C5 0.000 0.715 -0.990
C6 0.000 -0.715 -0.990
H7 0.000 2.126 0.775
H8 0.000 -2.126 0.775
H9 0.000 1.368 -1.861
H10 0.000 -1.368 -1.861

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01471.38071.38072.23422.23422.15512.15513.28613.2861
H21.01472.13122.13123.21203.21202.52732.52734.22984.2298
C31.38072.13122.26281.38952.27251.08783.28722.20903.3274
C41.38072.13122.26282.27251.38953.28721.08783.32742.2090
C52.23423.21201.38952.27251.42912.26043.34461.08892.2575
C62.23423.21202.27251.38951.42913.34462.26042.25751.0889
H72.15512.52731.08783.28722.26043.34464.25252.74304.3773
H82.15512.52733.28721.08783.34462.26044.25254.37732.7430
H93.28614.22982.20903.32741.08892.25752.74304.37732.7365
H103.28614.22983.32742.20902.25751.08894.37732.74302.7365

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.513 N1 C3 H7 121.173
N1 C4 C6 107.513 N1 C4 H8 121.173
H2 N1 C3 124.972 H2 N1 C4 124.972
C3 N1 C4 110.056 C3 C5 C6 107.459
C3 C5 H9 125.646 C4 C6 C5 107.459
C4 C6 H10 125.646 C5 C3 H7 131.314
C5 C6 H10 126.896 C6 C4 H8 131.314
C6 C5 H9 126.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.227      
2 H 0.302      
3 C -0.271      
4 C -0.271      
5 C -0.051      
6 C -0.051      
7 H 0.147      
8 H 0.147      
9 H 0.137      
10 H 0.137      


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 1.943 1.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.713 0.000 0.000
y 0.000 -27.289 0.000
z 0.000 0.000 -23.858
Traceless
 xyz
x -9.140 0.000 0.000
y 0.000 1.996 0.000
z 0.000 0.000 7.143
Polar
3z2-r214.286
x2-y2-7.424
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.472 0.000 0.000
y 0.000 9.332 0.000
z 0.000 0.000 8.898


<r2> (average value of r2) Å2
<r2> 86.863
(<r2>)1/2 9.320