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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-210.159493
Energy at 298.15K-210.165573
HF Energy-210.159493
Nuclear repulsion energy161.493030
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 mPW1PW91/6-311G*
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 3726 3556 51.01      
2 A1 3291 3141 0.17      
3 A1 3269 3120 7.59      
4 A1 1528 1458 8.20      
5 A1 1448 1382 3.55      
6 A1 1196 1142 3.00      
7 A1 1107 1057 9.23      
8 A1 1048 1000 30.43      
9 A1 906 865 0.25      
10 A2 872 833 0.00      
11 A2 682 651 0.00      
12 A2 635 606 0.00      
13 B1 825 787 3.51      
14 B1 730 696 169.62      
15 B1 648 618 0.03      
16 B1 480 458 84.01      
17 B2 3285 3136 8.83      
18 B2 3257 3108 3.44      
19 B2 1604 1531 4.91      
20 B2 1495 1426 6.27      
21 B2 1321 1261 1.89      
22 B2 1179 1125 3.61      
23 B2 1080 1031 28.69      
24 B2 884 843 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 18248.3 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17416.1 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 mPW1PW91/6-311G*
ABC
0.30784 0.30304 0.15271

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.116
H2 0.000 0.000 2.119
C3 0.000 1.119 0.331
C4 0.000 -1.119 0.331
C5 0.000 0.709 -0.979
C6 0.000 -0.709 -0.979
H7 0.000 2.105 0.765
H8 0.000 -2.105 0.765
H9 0.000 1.357 -1.842
H10 0.000 -1.357 -1.842

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00281.36651.36652.21202.21202.13452.13453.25493.2549
H21.00282.10892.10893.17823.17822.50292.50294.18734.1873
C31.36652.10892.23731.37272.24911.07823.25332.18653.2946
C41.36652.10892.23732.24911.37273.25331.07823.29462.1865
C52.21203.17821.37272.24911.41892.23453.31181.07932.2399
C62.21203.17822.24911.37271.41893.31182.23452.23991.0793
H72.13452.50291.07823.25332.23453.31184.21102.71304.3350
H82.13452.50293.25331.07823.31182.23454.21104.33502.7130
H93.25494.18732.18653.29461.07932.23992.71304.33502.7148
H103.25494.18733.29462.18652.23991.07934.33502.71302.7148

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.713 N1 C3 H7 121.185
N1 C4 C6 107.713 N1 C4 H8 121.185
H2 N1 C3 125.056 H2 N1 C4 125.056
C3 N1 C4 109.887 C3 C5 C6 107.344
C3 C5 H9 125.760 C4 C6 C5 107.344
C4 C6 H10 125.760 C5 C3 H7 131.103
C5 C6 H10 126.896 C6 C4 H8 131.103
C6 C5 H9 126.896
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.526      
2 H 0.356      
3 C -0.026      
4 C -0.026      
5 C -0.297      
6 C -0.297      
7 H 0.214      
8 H 0.214      
9 H 0.194      
10 H 0.194      


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 2.007 2.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.865 0.000 0.000
y 0.000 -26.301 0.000
z 0.000 0.000 -23.012
Traceless
 xyz
x -9.208 0.000 0.000
y 0.000 2.137 0.000
z 0.000 0.000 7.071
Polar
3z2-r214.142
x2-y2-7.564
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.535 0.000 0.000
y 0.000 8.056 0.000
z 0.000 0.000 7.869


<r2> (average value of r2) Å2
<r2> 84.912
(<r2>)1/2 9.215