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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-210.094841
Energy at 298.15K-210.100925
HF Energy-210.094841
Nuclear repulsion energy161.192267
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 wB97X-D/6-31G*
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 3727 3535 60.48      
2 A1 3319 3148 0.11      
3 A1 3288 3119 6.54      
4 A1 1545 1465 9.81      
5 A1 1461 1385 4.72      
6 A1 1201 1139 3.31      
7 A1 1116 1058 11.84      
8 A1 1051 997 24.82      
9 A1 905 859 0.14      
10 A2 899 853 0.00      
11 A2 690 655 0.00      
12 A2 636 604 0.00      
13 B1 844 801 7.87      
14 B1 741 703 123.68      
15 B1 649 616 0.38      
16 B1 480 455 92.24      
17 B2 3315 3144 6.66      
18 B2 3275 3107 4.37      
19 B2 1620 1537 5.14      
20 B2 1508 1430 7.74      
21 B2 1330 1262 2.74      
22 B2 1190 1129 3.55      
23 B2 1087 1031 23.82      
24 B2 883 837 1.38      

Unscaled Zero Point Vibrational Energy (zpe) 18380.3 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 17433.7 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 wB97X-D/6-31G*
ABC
0.30666 0.30204 0.15216

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.117
H2 0.000 0.000 2.123
C3 0.000 1.121 0.331
C4 0.000 -1.121 0.331
C5 0.000 0.710 -0.980
C6 0.000 -0.710 -0.980
H7 0.000 2.108 0.768
H8 0.000 -2.108 0.768
H9 0.000 1.359 -1.845
H10 0.000 -1.359 -1.845

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00581.36931.36932.21442.21442.13662.13663.25893.2589
H21.00582.11402.11403.18353.18352.50582.50584.19414.1941
C31.36932.11402.24191.37382.25211.07953.25842.18853.2991
C41.36932.11402.24192.25211.37383.25841.07953.29912.1885
C52.21443.18351.37382.25211.42052.23843.31651.08102.2428
C62.21443.18352.25211.37381.42053.31652.23842.24281.0810
H72.13662.50581.07953.25842.23843.31654.21582.71814.3415
H82.13662.50583.25841.07953.31652.23844.21584.34152.7181
H93.25894.19412.18853.29911.08102.24282.71814.34152.7185
H103.25894.19413.29912.18852.24281.08104.34152.71812.7185

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.658 N1 C3 H7 121.043
N1 C4 C6 107.658 N1 C4 H8 121.043
H2 N1 C3 125.053 H2 N1 C4 125.053
C3 N1 C4 109.894 C3 C5 C6 107.395
C3 C5 H9 125.709 C4 C6 C5 107.395
C4 C6 H10 125.709 C5 C3 H7 131.300
C5 C6 H10 126.895 C6 C4 H8 131.300
C6 C5 H9 126.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.581      
2 H 0.355      
3 C -0.001      
4 C -0.001      
5 C -0.220      
6 C -0.220      
7 H 0.175      
8 H 0.175      
9 H 0.159      
10 H 0.159      


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 1.947 1.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.004 0.000 0.000
y 0.000 -25.957 0.000
z 0.000 0.000 -22.802
Traceless
 xyz
x -8.624 0.000 0.000
y 0.000 1.946 0.000
z 0.000 0.000 6.678
Polar
3z2-r213.357
x2-y2-7.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.661 0.000 0.000
y 0.000 7.697 0.000
z 0.000 0.000 7.605


<r2> (average value of r2) Å2
<r2> 84.860
(<r2>)1/2 9.212