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All results from a given calculation for C4H5N (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 C2V 1A1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-208.945264
Energy at 298.15K-208.951554
HF Energy-208.945264
Nuclear repulsion energy160.478549
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 A1 3676 3485 76.98      
2 A1 3334 3160 0.00      
3 A1 3308 3135 1.79      
4 A1 1509 1431 4.04      
5 A1 1430 1355 7.97      
6 A1 1183 1121 1.47      
7 A1 1118 1059 9.87      
8 A1 1046 991 30.28      
9 A1 940 891 0.53      
10 A2 949 899 0.00      
11 A2 751 712 0.00      
12 A2 652 618 0.00      
13 B1 905 858 3.32      
14 B1 768 728 126.31      
15 B1 657 623 2.75      
16 B1 631 598 167.72      
17 B2 3324 3151 1.71      
18 B2 3297 3125 2.09      
19 B2 1599 1516 12.19      
20 B2 1465 1388 9.75      
21 B2 1345 1275 0.15      
22 B2 1195 1132 2.22      
23 B2 1085 1028 30.02      
24 B2 924 876 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 18545.0 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 17577.0 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 wB97X-D/3-21G*
ABC
0.30291 0.29994 0.15071

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.126
H2 0.000 0.000 2.134
C3 0.000 1.130 0.331
C4 0.000 -1.130 0.331
C5 0.000 0.714 -0.984
C6 0.000 -0.714 -0.984
H7 0.000 2.119 0.755
H8 0.000 -2.119 0.755
H9 0.000 1.356 -1.847
H10 0.000 -1.356 -1.847

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00801.38151.38152.22682.22682.15092.15093.26783.2678
H21.00802.12762.12763.19803.19802.52802.52804.20584.2058
C31.38152.12762.26001.37902.26441.07553.27612.19023.3054
C41.38152.12762.26002.26441.37903.27611.07553.30542.1902
C52.22683.19801.37902.26441.42742.23493.32311.07642.2427
C62.22683.19802.26441.37901.42743.32312.23492.24271.0764
H72.15092.52801.07553.27612.23493.32314.23722.71154.3408
H82.15092.52803.27611.07553.32312.23494.23724.34082.7115
H93.26784.20582.19023.30541.07642.24272.71154.34082.7118
H103.26784.20583.30542.19022.24271.07644.34082.71152.7118

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.544 N1 C3 H7 121.694
N1 C4 C6 107.544 N1 C4 H8 121.694
H2 N1 C3 125.116 H2 N1 C4 125.116
C3 N1 C4 109.767 C3 C5 C6 107.572
C3 C5 H9 125.800 C4 C6 C5 107.572
C4 C6 H10 125.800 C5 C3 H7 130.762
C5 C6 H10 126.628 C6 C4 H8 130.762
C6 C5 H9 126.628
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 -0.728      
2 H 0.344      
3 C 0.043      
4 C 0.043      
5 C -0.287      
6 C -0.287      
7 H 0.231      
8 H 0.231      
9 H 0.205      
10 H 0.205      


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 2.029 2.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.879 0.000 0.000
y 0.000 -25.731 0.000
z 0.000 0.000 -22.703
Traceless
 xyz
x -9.662 0.000 0.000
y 0.000 2.560 0.000
z 0.000 0.000 7.102
Polar
3z2-r214.204
x2-y2-8.148
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.858 0.000 0.000
y 0.000 7.173 0.000
z 0.000 0.000 7.114


<r2> (average value of r2) Å2
<r2> 85.554
(<r2>)1/2 9.250