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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-210.025071
Energy at 298.15K-210.030929
HF Energy-210.025071
Nuclear repulsion energy160.071571
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 B97D3/6-31G*
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 3608 3537 38.41      
2 A1 3228 3165 0.26      
3 A1 3206 3143 11.65      
4 A1 1484 1455 8.09      
5 A1 1408 1381 3.72      
6 A1 1164 1141 2.73      
7 A1 1086 1065 5.23      
8 A1 1023 1003 26.10      
9 A1 886 868 0.14      
10 A2 828 812 0.00      
11 A2 620 608 0.00      
12 A2 612 600 0.00      
13 B1 772 757 12.36      
14 B1 695 681 114.45      
15 B1 625 612 1.21      
16 B1 414 406 71.56      
17 B2 3222 3159 14.59      
18 B2 3195 3132 3.78      
19 B2 1558 1527 3.96      
20 B2 1440 1412 6.95      
21 B2 1287 1262 1.68      
22 B2 1149 1126 2.09      
23 B2 1054 1033 22.91      
24 B2 866 849 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 17713.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 17366.7 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 B97D3/6-31G*
ABC
0.30220 0.29783 0.15000

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.125
H2 0.000 0.000 2.136
C3 0.000 1.131 0.334
C4 0.000 -1.131 0.334
C5 0.000 0.714 -0.988
C6 0.000 -0.714 -0.988
H7 0.000 2.122 0.775
H8 0.000 -2.122 0.775
H9 0.000 1.365 -1.857
H10 0.000 -1.365 -1.857

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01071.38051.38052.23092.23092.15052.15053.28013.2801
H21.01072.12782.12783.20483.20482.52092.52094.22024.2202
C31.38052.12782.26231.38612.27011.08433.28272.20373.3214
C41.38052.12782.26232.27011.38613.28271.08433.32142.2037
C52.23093.20481.38612.27011.42862.25583.33931.08572.2536
C62.23093.20482.27011.38611.42863.33932.25582.25361.0857
H72.15052.52091.08433.28272.25583.33934.24352.73884.3686
H82.15052.52093.28271.08433.33932.25584.24354.36862.7388
H93.28014.22022.20373.32141.08572.25362.73884.36862.7297
H103.28014.22023.32142.20372.25361.08574.36862.73882.7297

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.478 N1 C3 H7 121.029
N1 C4 C6 107.478 N1 C4 H8 121.029
H2 N1 C3 124.979 H2 N1 C4 124.979
C3 N1 C4 110.041 C3 C5 C6 107.501
C3 C5 H9 125.689 C4 C6 C5 107.501
C4 C6 H10 125.689 C5 C3 H7 131.493
C5 C6 H10 126.810 C6 C4 H8 131.493
C6 C5 H9 126.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.537      
2 H 0.327      
3 C 0.018      
4 C 0.018      
5 C -0.180      
6 C -0.180      
7 H 0.142      
8 H 0.142      
9 H 0.125      
10 H 0.125      


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 1.900 1.900
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.818 0.000 0.000
y 0.000 -26.258 0.000
z 0.000 0.000 -23.035
Traceless
 xyz
x -8.172 0.000 0.000
y 0.000 1.669 0.000
z 0.000 0.000 6.503
Polar
3z2-r213.007
x2-y2-6.561
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.691 0.000 0.000
y 0.000 8.016 0.000
z 0.000 0.000 7.809


<r2> (average value of r2) Å2
<r2> 85.882
(<r2>)1/2 9.267