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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: PBEPBE/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/cc-pVDZ
 hartrees
Energy at 0K-209.917882
Energy at 298.15K-209.923816
HF Energy-209.917882
Nuclear repulsion energy159.742612
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3581 3561 52.86      
2 A1 3210 3192 0.16      
3 A1 3189 3171 3.44      
4 A1 1465 1456 7.66      
5 A1 1399 1390 1.61      
6 A1 1159 1152 2.94      
7 A1 1062 1056 6.05      
8 A1 1003 998 24.79      
9 A1 863 858 0.00      
10 A2 841 836 0.00      
11 A2 647 643 0.00      
12 A2 611 607 0.00      
13 B1 786 782 3.62      
14 B1 699 695 116.65      
15 B1 626 623 1.39      
16 B1 461 458 55.17      
17 B2 3203 3185 3.59      
18 B2 3178 3160 2.11      
19 B2 1532 1523 1.75      
20 B2 1435 1427 3.53      
21 B2 1248 1241 2.56      
22 B2 1124 1118 3.06      
23 B2 1029 1023 25.42      
24 B2 841 836 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 17596.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17494.3 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 PBEPBE/cc-pVDZ
ABC
0.30161 0.29636 0.14948

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.126
H2 0.000 0.000 2.143
C3 0.000 1.131 0.336
C4 0.000 -1.131 0.336
C5 0.000 0.715 -0.991
C6 0.000 -0.715 -0.991
H7 0.000 2.131 0.779
H8 0.000 -2.131 0.779
H9 0.000 1.372 -1.866
H10 0.000 -1.372 -1.866

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01741.37921.37922.23402.23402.15872.15873.29153.2915
H21.01742.13182.13183.21443.21442.52992.52994.23754.2375
C31.37922.13182.26131.39032.27291.09383.29132.21513.3337
C41.37922.13182.26132.27291.39033.29131.09383.33372.2151
C52.23403.21441.39032.27291.42972.26653.35101.09472.2632
C62.23403.21442.27291.39031.42973.35102.26652.26321.0947
H72.15872.52991.09383.29132.26653.35104.26142.75174.3895
H82.15872.52993.29131.09383.35102.26654.26144.38952.7517
H93.29154.23752.21513.33371.09472.26322.75174.38952.7446
H103.29154.23753.33372.21512.26321.09474.38952.75172.7446

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.534 N1 C3 H7 121.158
N1 C4 C6 107.534 N1 C4 H8 121.158
H2 N1 C3 124.937 H2 N1 C4 124.937
C3 N1 C4 110.126 C3 C5 C6 107.403
C3 C5 H9 125.683 C4 C6 C5 107.403
C4 C6 H10 125.683 C5 C3 H7 131.308
C5 C6 H10 126.914 C6 C4 H8 131.308
C6 C5 H9 126.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.037      
2 H 0.085      
3 C 0.039      
4 C 0.039      
5 C -0.027      
6 C -0.027      
7 H -0.004      
8 H -0.004      
9 H -0.032      
10 H -0.032      


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 2.015 2.015
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.233 0.000 0.000
y 0.000 -26.963 0.000
z 0.000 0.000 -23.508
Traceless
 xyz
x -7.997 0.000 0.000
y 0.000 1.407 0.000
z 0.000 0.000 6.590
Polar
3z2-r213.180
x2-y2-6.270
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.145 0.000 0.000
y 0.000 8.509 0.000
z 0.000 0.000 8.200


<r2> (average value of r2) Å2
<r2> 86.521
(<r2>)1/2 9.302