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All results from a given calculation for C4H5N (2H-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 CS 1A'
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-210.073661
Energy at 298.15K-210.079777
HF Energy-210.073661
Nuclear repulsion energy 
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 A' 3285 3116 8.01      
2 A' 3260 3092 5.14      
3 A' 3223 3057 28.18      
4 A' 3074 2916 6.64      
5 A' 1706 1618 9.17      
6 A' 1602 1519 13.34      
7 A' 1446 1372 14.05      
8 A' 1401 1329 19.13      
9 A' 1346 1277 0.26      
10 A' 1298 1231 0.16      
11 A' 1134 1076 5.21      
12 A' 1026 973 29.83      
13 A' 1012 959 8.25      
14 A' 953 904 2.69      
15 A' 863 819 11.61      
16 A' 843 800 5.05      
17 A" 3113 2952 5.77      
18 A" 1193 1131 0.27      
19 A" 1013 961 9.53      
20 A" 956 907 5.95      
21 A" 924 877 6.68      
22 A" 705 669 35.09      
23 A" 559 530 3.11      
24 A" 356 338 18.28      

Unscaled Zero Point Vibrational Energy (zpe) 18144.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 17210.2 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
0.30512 0.28123 0.15042

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.151 0.432 0.000
C2 0.000 1.120 0.000
C3 -1.199 0.218 0.000
C4 -0.592 -1.057 0.000
C5 0.777 -0.871 0.000
H6 -0.095 1.777 0.873
H7 -0.095 1.777 -0.873
H8 -2.218 0.587 0.000
H9 -1.121 -1.997 0.000
H10 1.550 -1.625 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.34132.36032.29281.35612.03032.03033.37303.32662.0954
C21.34131.50092.25672.13791.09651.09652.28133.31303.1526
C32.36031.50091.41262.25682.10072.10071.08392.21633.3097
C42.29282.25671.41261.38163.00693.00692.31331.07862.2156
C51.35612.13792.25681.38162.92132.92133.33182.20731.0794
H62.03031.09652.10073.00692.92131.74672.58584.00723.8778
H72.03031.09652.10073.00692.92131.74672.58584.00723.8778
H83.37302.28131.08392.31333.33182.58582.58582.80774.3697
H93.32663.31302.21631.07862.20734.00724.00722.80772.6971
H102.09543.15263.30972.21561.07943.87783.87784.36972.6971

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 112.169 N1 C2 H6 112.401
N1 C2 H7 112.401 N1 C5 C4 113.752
N1 C5 H10 118.271 C2 N1 C5 104.859
C2 C3 C4 101.488 C2 C3 H8 123.096
C3 C2 H6 106.915 C3 C2 H7 106.915
C3 C4 C5 107.732 C3 C4 H9 125.119
C4 C3 H8 135.416 C4 C5 H10 127.977
C5 C4 H9 127.149 H6 C2 H7 105.591
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 -0.379      
2 C -0.237      
3 C -0.170      
4 C -0.180      
5 C 0.026      
6 H 0.204      
7 H 0.204      
8 H 0.181      
9 H 0.177      
10 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.143 -0.372 0.000 2.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.295 -2.372 0.000
y -2.372 -24.733 0.000
z 0.000 0.000 -30.314
Traceless
 xyz
x -3.772 -2.372 0.000
y -2.372 6.072 0.000
z 0.000 0.000 -2.300
Polar
3z2-r2-4.600
x2-y2-6.563
xy-2.372
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.746 -0.361 0.000
y -0.361 8.236 0.000
z 0.000 0.000 3.516


<r2> (average value of r2) Å2
<r2> 86.638
(<r2>)1/2 9.308