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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-209.978008
Energy at 298.15K 
HF Energy-209.978008
Nuclear repulsion energy160.515028
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/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 3592 3567 51.73      
2 A1 3198 3176 0.09      
3 A1 3178 3156 3.69      
4 A1 1460 1450 6.49      
5 A1 1389 1379 2.55      
6 A1 1152 1144 2.26      
7 A1 1069 1062 4.92      
8 A1 1011 1004 27.77      
9 A1 873 867 0.08      
10 A2 839 833 0.00      
11 A2 652 647 0.00      
12 A2 613 608 0.00      
13 B1 790 784 3.33      
14 B1 699 695 140.34      
15 B1 627 623 0.04      
16 B1 464 461 59.24      
17 B2 3192 3170 3.77      
18 B2 3167 3145 2.37      
19 B2 1529 1518 2.26      
20 B2 1416 1406 4.56      
21 B2 1267 1258 1.54      
22 B2 1129 1121 3.05      
23 B2 1038 1031 26.09      
24 B2 850 844 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 17595.9 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17474.5 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 PBEPBEultrafine/cc-pVTZ
ABC
0.30417 0.29939 0.15088

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

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 2.133
C3 0.000 1.127 0.334
C4 0.000 -1.127 0.334
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 -1.853
H10 0.000 -1.363 -1.853

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01121.37521.37522.22432.22432.14782.14783.27263.2726
H21.01122.12332.12333.19883.19882.51922.51924.21314.2131
C31.37522.12332.25351.38262.26261.08423.27492.19953.3137
C41.37522.12332.25352.26261.38263.27491.08423.31372.1995
C52.22433.19881.38262.26261.42352.25023.33111.08512.2490
C62.22433.19882.26261.38261.42353.33112.25022.24901.0851
H72.14782.51921.08423.27492.25023.33114.23782.73064.3599
H82.14782.51923.27491.08423.33112.25024.23784.35992.7306
H93.27264.21312.19953.31371.08512.24902.73064.35992.7261
H103.27264.21313.31372.19952.24901.08514.35992.73062.7261

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.520 N1 C3 H7 121.236
N1 C4 C6 107.520 N1 C4 H8 121.236
H2 N1 C3 124.986 H2 N1 C4 124.986
C3 N1 C4 110.028 C3 C5 C6 107.466
C3 C5 H9 125.648 C4 C6 C5 107.466
C4 C6 H10 125.648 C5 C3 H7 131.244
C5 C6 H10 126.886 C6 C4 H8 131.244
C6 C5 H9 126.886
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.014      
2 H 0.137      
3 C -0.125      
4 C -0.125      
5 C -0.140      
6 C -0.140      
7 H 0.098      
8 H 0.098      
9 H 0.091      
10 H 0.091      


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 1.925 1.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.685 0.000 0.000
y 0.000 -27.072 0.000
z 0.000 0.000 -23.771
Traceless
 xyz
x -8.263 0.000 0.000
y 0.000 1.656 0.000
z 0.000 0.000 6.607
Polar
3z2-r213.215
x2-y2-6.613
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.415 0.000 0.000
y 0.000 8.943 0.000
z 0.000 0.000 8.622


<r2> (average value of r2) Å2
<r2> 86.013
(<r2>)1/2 9.274