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

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-208.881959
Energy at 298.15K-208.888079
HF Energy-208.881959
Nuclear repulsion energy157.170275
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 M06-2X/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' 3309 3135 0.94      
2 A' 3275 3102 0.70      
3 A' 3218 3048 12.62      
4 A' 3061 2900 0.01      
5 A' 1653 1566 6.84      
6 A' 1546 1464 7.20      
7 A' 1453 1377 15.10      
8 A' 1379 1307 15.36      
9 A' 1325 1255 0.39      
10 A' 1270 1203 4.89      
11 A' 1155 1094 6.37      
12 A' 988 936 16.83      
13 A' 948 898 12.96      
14 A' 919 871 3.81      
15 A' 879 833 2.98      
16 A' 837 792 10.29      
17 A" 3103 2940 0.14      
18 A" 1196 1133 0.13      
19 A" 1040 985 6.02      
20 A" 997 944 10.94      
21 A" 935 885 19.09      
22 A" 739 700 45.66      
23 A" 569 539 2.08      
24 A" 339 321 23.36      

Unscaled Zero Point Vibrational Energy (zpe) 18066.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17112.2 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 M06-2X/3-21G*
ABC
0.29697 0.27588 0.14700

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.129 -0.557 0.000
C2 0.787 0.904 0.000
C3 -0.729 0.961 0.000
C4 -1.190 -0.302 0.000
C5 0.000 -1.194 0.000
H6 1.228 1.365 0.890
H7 1.228 1.365 -0.890
H8 -1.304 1.874 0.000
H9 -2.217 -0.635 0.000
H10 -0.044 -2.274 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.50082.39982.33391.29642.12082.12083.44013.34732.0796
C21.50081.51742.31642.24051.09521.09522.30543.37503.2850
C32.39981.51741.34462.27462.18772.18771.07932.18123.3066
C42.33392.31641.34461.48733.06923.06922.17931.07892.2809
C51.29642.24052.27461.48732.97452.97453.33362.28651.0813
H62.12081.09522.18773.06922.97451.78072.73184.08123.9565
H72.12081.09522.18773.06922.97451.78072.73184.08123.9565
H83.44012.30541.07932.17933.33362.73182.73182.66934.3354
H93.34733.37502.18121.07892.28654.08124.08122.66932.7222
H102.07963.28503.30662.28091.08133.95653.95654.33542.7222

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 105.330 N1 C2 H6 108.551
N1 C2 H7 108.551 N1 C5 C4 113.769
N1 C5 H10 121.743 C2 N1 C5 106.217
C2 C3 C4 107.917 C2 C3 H8 124.340
C3 C2 H6 112.723 C3 C2 H7 112.723
C3 C4 C5 106.767 C3 C4 H9 127.987
C4 C3 H8 127.743 C4 C5 H10 124.489
C5 C4 H9 125.246 H6 C2 H7 108.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.433      
2 C -0.318      
3 C -0.217      
4 C -0.251      
5 C 0.047      
6 H 0.256      
7 H 0.256      
8 H 0.219      
9 H 0.213      
10 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.799 1.242 0.000 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.329 3.205 0.000
y 3.205 -25.539 0.000
z 0.000 0.000 -31.263
Traceless
 xyz
x -2.928 3.205 0.000
y 3.205 5.757 0.000
z 0.000 0.000 -2.829
Polar
3z2-r2-5.658
x2-y2-5.790
xy3.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.445 0.777 0.000
y 0.777 7.464 0.000
z 0.000 0.000 2.953


<r2> (average value of r2) Å2
<r2> 88.434
(<r2>)1/2 9.404