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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-210.072626
Energy at 298.15K-210.078460
HF Energy-210.072626
Nuclear repulsion energy159.465077
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 BLYP/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 3554 3525 33.76      
2 A1 3201 3175 0.06      
3 A1 3178 3152 9.88      
4 A1 1468 1456 7.76      
5 A1 1390 1378 4.20      
6 A1 1142 1133 1.88      
7 A1 1074 1065 5.22      
8 A1 1013 1005 25.48      
9 A1 873 866 0.06      
10 A2 828 822 0.00      
11 A2 625 620 0.00      
12 A2 608 604 0.00      
13 B1 772 766 11.10      
14 B1 698 692 100.24      
15 B1 620 615 2.12      
16 B1 409 406 67.71      
17 B2 3196 3170 11.52      
18 B2 3167 3141 4.04      
19 B2 1543 1531 3.47      
20 B2 1417 1406 6.87      
21 B2 1281 1271 1.52      
22 B2 1136 1126 1.47      
23 B2 1045 1036 21.94      
24 B2 852 845 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 17545.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 17402.9 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 BLYP/6-31G*
ABC
0.30000 0.29553 0.14887

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.134
H2 0.000 0.000 2.149
C3 0.000 1.133 0.334
C4 0.000 -1.133 0.334
C5 0.000 0.720 -0.992
C6 0.000 -0.720 -0.992
H7 0.000 2.130 0.771
H8 0.000 -2.130 0.771
H9 0.000 1.371 -1.865
H10 0.000 -1.371 -1.865

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01541.38731.38732.24452.24452.16042.16043.29713.2971
H21.01542.14012.14013.22283.22282.53662.53664.24164.2416
C31.38732.14012.26701.38902.27901.08813.29252.21153.3326
C41.38732.14012.26702.27901.38903.29251.08813.33262.2115
C52.24453.22281.38902.27901.44012.25783.35141.08872.2658
C62.24453.22282.27901.38901.44013.35142.25782.26581.0887
H72.16042.53661.08813.29252.25783.35144.25962.74334.3823
H82.16042.53663.29251.08813.35142.25784.25964.38232.7433
H93.29714.24162.21153.33261.08872.26582.74334.38232.7419
H103.29714.24163.33262.21152.26581.08874.38232.74332.7419

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.892 N1 C3 H7 121.083
N1 C4 C6 107.892 N1 C4 H8 121.083
H2 N1 C3 125.209 H2 N1 C4 125.209
C3 N1 C4 109.581 C3 C5 C6 107.317
C3 C5 H9 125.965 C4 C6 C5 107.317
C4 C6 H10 125.965 C5 C3 H7 131.024
C5 C6 H10 126.718 C6 C4 H8 131.024
C6 C5 H9 126.718
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.500      
2 H 0.304      
3 C 0.035      
4 C 0.035      
5 C -0.140      
6 C -0.140      
7 H 0.111      
8 H 0.111      
9 H 0.091      
10 H 0.091      


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 1.895 1.895
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.805 0.000 0.000
y 0.000 -26.681 0.000
z 0.000 0.000 -23.394
Traceless
 xyz
x -7.768 0.000 0.000
y 0.000 1.419 0.000
z 0.000 0.000 6.349
Polar
3z2-r212.698
x2-y2-6.124
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.668 0.000 0.000
y 0.000 8.080 0.000
z 0.000 0.000 7.899


<r2> (average value of r2) Å2
<r2> 86.557
(<r2>)1/2 9.304