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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-209.932671
Energy at 298.15K 
HF Energy-209.932671
Nuclear repulsion energy159.697264
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/aug-cc-pVDZ
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 3586 3565 54.64      
2 A1 3211 3191 0.02      
3 A1 3190 3170 2.83      
4 A1 1455 1446 10.05      
5 A1 1391 1383 1.37      
6 A1 1151 1144 2.50      
7 A1 1063 1056 5.11      
8 A1 1005 999 28.82      
9 A1 865 860 0.09      
10 A2 823 818 0.00      
11 A2 655 651 0.00      
12 A2 608 604 0.00      
13 B1 783 778 0.40      
14 B1 698 694 169.10      
15 B1 625 621 0.01      
16 B1 497 494 57.49      
17 B2 3205 3185 2.31      
18 B2 3178 3159 2.28      
19 B2 1523 1514 0.78      
20 B2 1421 1412 4.41      
21 B2 1254 1246 2.01      
22 B2 1123 1116 3.78      
23 B2 1031 1024 26.65      
24 B2 842 837 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 17590.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 17483.1 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/aug-cc-pVDZ
ABC
0.30120 0.29629 0.14936

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/aug-cc-pVDZ

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 2.142
C3 0.000 1.132 0.336
C4 0.000 -1.132 0.336
C5 0.000 0.715 -0.991
C6 0.000 -0.715 -0.991
H7 0.000 2.131 0.778
H8 0.000 -2.131 0.778
H9 0.000 1.372 -1.865
H10 0.000 -1.372 -1.865

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01551.38061.38062.23492.23492.15892.15893.29083.2908
H21.01552.13132.13133.21343.21342.52992.52994.23514.2351
C31.38062.13132.26381.39092.27431.09193.29222.21393.3336
C41.38062.13132.26382.27431.39093.29221.09193.33362.2139
C52.23493.21341.39092.27431.43032.26523.35051.09322.2626
C62.23493.21342.27431.39091.43033.35052.26522.26261.0932
H72.15892.52991.09193.29222.26523.35054.26112.74914.3874
H82.15892.52993.29221.09193.35052.26524.26114.38742.7491
H93.29084.23512.21393.33361.09322.26262.74914.38742.7439
H103.29084.23513.33362.21392.26261.09324.38742.74912.7439

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.488 N1 C3 H7 121.221
N1 C4 C6 107.488 N1 C4 H8 121.221
H2 N1 C3 124.925 H2 N1 C4 124.925
C3 N1 C4 110.150 C3 C5 C6 107.437
C3 C5 H9 125.634 C4 C6 C5 107.437
C4 C6 H10 125.634 C5 C3 H7 131.290
C5 C6 H10 126.930 C6 C4 H8 131.290
C6 C5 H9 126.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.075      
2 H -0.149      
3 C 0.193      
4 C 0.193      
5 C 0.950      
6 C 0.950      
7 H -0.499      
8 H -0.499      
9 H -0.532      
10 H -0.532      


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 1.865 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.312 0.000 0.000
y 0.000 -27.518 0.000
z 0.000 0.000 -24.221
Traceless
 xyz
x -8.442 0.000 0.000
y 0.000 1.749 0.000
z 0.000 0.000 6.694
Polar
3z2-r213.387
x2-y2-6.794
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.935 0.000 0.000
y 0.000 9.901 0.000
z 0.000 0.000 9.421


<r2> (average value of r2) Å2
<r2> 87.042
(<r2>)1/2 9.330