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All results from a given calculation for C4H5N (2H-pyrrole)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-208.910631
Energy at 298.15K-208.916779
HF Energy-208.910631
Nuclear repulsion energy157.479473
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/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3306 3133 2.48      
2 A' 3278 3107 0.90      
3 A' 3251 3082 17.00      
4 A' 3115 2953 0.53      
5 A' 1654 1568 7.37      
6 A' 1541 1460 9.08      
7 A' 1470 1394 17.61      
8 A' 1381 1309 15.94      
9 A' 1325 1256 0.47      
10 A' 1273 1206 6.30      
11 A' 1152 1092 7.15      
12 A' 995 943 17.39      
13 A' 951 901 16.32      
14 A' 920 872 2.73      
15 A' 883 836 2.87      
16 A' 840 797 10.99      
17 A" 3161 2996 1.00      
18 A" 1200 1137 0.08      
19 A" 1026 972 6.78      
20 A" 982 931 12.93      
21 A" 931 883 9.46      
22 A" 729 691 57.34      
23 A" 571 541 1.83      
24 A" 369 350 23.72      

Unscaled Zero Point Vibrational Energy (zpe) 18151.4 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 17203.9 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/3-21G*
ABC
0.29814 0.27723 0.14767

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.153 0.431 0.000
C2 0.000 1.136 0.000
C3 -1.203 0.221 0.000
C4 -0.593 -1.062 0.000
C5 0.781 -0.886 0.000
H6 -0.096 1.791 0.874
H7 -0.096 1.791 -0.874
H8 -2.221 0.585 0.000
H9 -1.127 -1.995 0.000
H10 1.549 -1.640 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.35202.36532.29681.36842.04302.04303.37773.32932.1083
C21.35201.51142.27612.16791.09631.09632.28823.32793.1790
C32.36531.51141.41982.27162.11072.11071.08142.21713.3214
C42.29682.27611.41981.38503.02443.02442.31531.07572.2181
C51.36842.16792.27161.38502.94942.94943.34302.20691.0759
H62.04301.09632.11073.02442.94941.74842.59534.02023.9038
H72.04301.09632.11073.02442.94941.74842.59534.02023.9038
H83.37772.28821.08142.31533.34302.59532.59532.80224.3771
H93.32933.32792.21711.07572.20694.02024.02022.80222.6989
H102.10833.17903.32142.21811.07593.90383.90384.37712.6989

picture of 2H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 111.267 N1 C2 H6 112.701
N1 C2 H7 112.701 N1 C5 C4 113.057
N1 C5 H10 118.714 C2 N1 C5 105.667
C2 C3 C4 101.843 C2 C3 H8 123.042
C3 C2 H6 107.002 C3 C2 H7 107.002
C3 C4 C5 108.166 C3 C4 H9 124.785
C4 C3 H8 135.115 C4 C5 H10 128.229
C5 C4 H9 127.049 H6 C2 H7 105.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.435      
2 C -0.346      
3 C -0.222      
4 C -0.264      
5 C 0.041      
6 H 0.268      
7 H 0.268      
8 H 0.229      
9 H 0.223      
10 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.801 1.262 0.000 2.200
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.970 3.192 0.000
y 3.192 -25.180 0.000
z 0.000 0.000 -30.994
Traceless
 xyz
x -2.883 3.192 0.000
y 3.192 5.802 0.000
z 0.000 0.000 -2.919
Polar
3z2-r2-5.838
x2-y2-5.790
xy3.192
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.466 0.750 0.000
y 0.750 7.480 0.000
z 0.000 0.000 2.980


<r2> (average value of r2) Å2
<r2> 87.932
(<r2>)1/2 9.377