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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.975327
Energy at 298.15K-209.981298
HF Energy-209.975327
Nuclear repulsion energy160.504025
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 PBEPBE/6-311+G(3df,2p)
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 3596 3566 56.91      
2 A1 3197 3170 0.02      
3 A1 3176 3150 2.66      
4 A1 1459 1447 8.81      
5 A1 1385 1374 2.25      
6 A1 1151 1142 2.27      
7 A1 1070 1061 5.43      
8 A1 1011 1002 28.67      
9 A1 873 866 0.11      
10 A2 848 841 0.00      
11 A2 658 653 0.00      
12 A2 610 605 0.00      
13 B1 801 795 1.83      
14 B1 702 696 160.97      
15 B1 626 621 0.15      
16 B1 477 473 61.87      
17 B2 3190 3164 2.27      
18 B2 3166 3140 2.04      
19 B2 1527 1514 1.13      
20 B2 1410 1399 5.18      
21 B2 1268 1257 1.52      
22 B2 1131 1121 3.24      
23 B2 1038 1030 26.67      
24 B2 846 839 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 17606.9 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 17462.5 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 PBEPBE/6-311+G(3df,2p)
ABC
0.30413 0.29936 0.15086

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.122
H2 0.000 0.000 2.134
C3 0.000 1.127 0.333
C4 0.000 -1.127 0.333
C5 0.000 0.712 -0.985
C6 0.000 -0.712 -0.985
H7 0.000 2.119 0.771
H8 0.000 -2.119 0.771
H9 0.000 1.363 -1.854
H10 0.000 -1.363 -1.854

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01171.37541.37542.22462.22462.14802.14803.27323.2732
H21.01172.12422.12423.19963.19962.51982.51984.21414.2141
C31.37542.12422.25321.38212.26271.08443.27492.19963.3137
C41.37542.12422.25322.26271.38213.27491.08443.31372.1996
C52.22463.19961.38212.26271.42442.24983.33141.08522.2496
C62.22463.19962.26271.38211.42443.33142.24982.24961.0852
H72.14802.51981.08443.27492.24983.33144.23792.73084.3601
H82.14802.51983.27491.08443.33142.24984.23794.36012.7308
H93.27324.21412.19963.31371.08522.24962.73084.36012.7262
H103.27324.21413.31372.19962.24961.08524.36012.73082.7262

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.559 N1 C3 H7 121.213
N1 C4 C6 107.559 N1 C4 H8 121.213
H2 N1 C3 125.007 H2 N1 C4 125.007
C3 N1 C4 109.986 C3 C5 C6 107.448
C3 C5 H9 125.696 C4 C6 C5 107.448
C4 C6 H10 125.696 C5 C3 H7 131.227
C5 C6 H10 126.856 C6 C4 H8 131.227
C6 C5 H9 126.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.775      
2 H 0.149      
3 C 0.085      
4 C 0.085      
5 C -0.024      
6 C -0.024      
7 H 0.131      
8 H 0.131      
9 H 0.122      
10 H 0.122      


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 1.866 1.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.262 0.000 0.000
y 0.000 -27.416 0.000
z 0.000 0.000 -24.060
Traceless
 xyz
x -8.524 0.000 0.000
y 0.000 1.745 0.000
z 0.000 0.000 6.779
Polar
3z2-r213.559
x2-y2-6.846
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.849 0.000 0.000
y 0.000 9.651 0.000
z 0.000 0.000 9.183


<r2> (average value of r2) Å2
<r2> 86.275
(<r2>)1/2 9.288