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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/TZVP
 hartrees
Energy at 0K-210.021563
Energy at 298.15K 
HF Energy-209.778607
Nuclear repulsion energy161.125724
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 B2PLYP/TZVP
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 3692 3523 71.86      
2 A1 3297 3147 0.03      
3 A1 3277 3127 2.69      
4 A1 1509 1441 9.12      
5 A1 1427 1362 4.47      
6 A1 1175 1121 1.86      
7 A1 1103 1053 8.42      
8 A1 1042 995 32.96      
9 A1 904 863 0.35      
10 A2 770 735 0.00      
11 A2 641 612 0.00      
12 A2 540 516 0.00      
13 B1 779 743 7.28      
14 B1 702 670 174.43      
15 B1 624 596 0.52      
16 B1 392 374 60.26      
17 B2 3291 3141 2.27      
18 B2 3266 3117 2.59      
19 B2 1580 1508 3.21      
20 B2 1460 1393 8.53      
21 B2 1324 1264 0.85      
22 B2 1170 1117 1.98      
23 B2 1075 1026 28.21      
24 B2 884 843 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 17961.1 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 17142.0 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 B2PLYP/TZVP
ABC
0.30605 0.30184 0.15196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.120
H2 0.000 0.000 2.124
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.711 -0.981
C6 0.000 -0.711 -0.981
H7 0.000 2.109 0.763
H8 0.000 -2.109 0.763
H9 0.000 1.356 -1.843
H10 0.000 -1.356 -1.843

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00441.37281.37282.21792.21792.13862.13863.25823.2582
H21.00442.11632.11633.18563.18562.50992.50994.19234.1923
C31.37282.11632.24681.37522.25501.07573.26072.18573.2974
C41.37282.11632.24682.25501.37523.26071.07573.29742.1857
C52.21793.18561.37522.25501.42152.23483.31501.07662.2395
C62.21793.18562.25501.37521.42153.31502.23482.23951.0766
H72.13862.50991.07573.26072.23483.31504.21712.71164.3351
H82.13862.50993.26071.07573.31502.23484.21714.33512.7116
H93.25824.19232.18573.29741.07662.23952.71164.33512.7129
H103.25824.19233.29742.18572.23951.07664.33512.71162.7129

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.625 N1 C3 H7 121.239
N1 C4 C6 107.625 N1 C4 H8 121.239
H2 N1 C3 125.087 H2 N1 C4 125.087
C3 N1 C4 109.827 C3 C5 C6 107.461
C3 C5 H9 125.686 C4 C6 C5 107.461
C4 C6 H10 125.686 C5 C3 H7 131.136
C5 C6 H10 126.852 C6 C4 H8 131.136
C6 C5 H9 126.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.143      
2 H 0.235      
3 C -0.149      
4 C -0.149      
5 C -0.127      
6 C -0.127      
7 H 0.113      
8 H 0.113      
9 H 0.116      
10 H 0.116      


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 1.958 1.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.398 0.000 0.000
y 0.000 -27.219 0.000
z 0.000 0.000 -23.952
Traceless
 xyz
x -8.813 0.000 0.000
y 0.000 1.957 0.000
z 0.000 0.000 6.856
Polar
3z2-r213.713
x2-y2-7.180
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.667 0.000 0.000
y 0.000 8.498 0.000
z 0.000 0.000 8.299


<r2> (average value of r2) Å2
<r2> 85.699
(<r2>)1/2 9.257