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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-210.025875
Energy at 298.15K-210.031922
HF Energy-210.025875
Nuclear repulsion energy158.722944
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 3581 3554 31.17      
2 A1 3225 3201 0.09      
3 A1 3197 3172 10.79      
4 A1 1459 1448 6.29      
5 A1 1386 1376 5.83      
6 A1 1139 1130 0.82      
7 A1 1084 1076 4.68      
8 A1 1016 1008 30.45      
9 A1 893 886 0.23      
10 A2 867 860 0.00      
11 A2 667 662 0.00      
12 A2 619 614 0.00      
13 B1 810 804 8.84      
14 B1 715 710 114.88      
15 B1 625 620 4.99      
16 B1 552 547 111.16      
17 B2 3218 3193 11.38      
18 B2 3183 3159 5.00      
19 B2 1544 1532 6.40      
20 B2 1409 1398 9.47      
21 B2 1303 1293 0.29      
22 B2 1154 1145 0.95      
23 B2 1053 1045 23.61      
24 B2 873 867 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 17784.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 17649.8 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
0.29640 0.29319 0.14739

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 1.139
H2 0.000 0.000 2.154
C3 0.000 1.144 0.334
C4 0.000 -1.144 0.334
C5 0.000 0.720 -0.995
C6 0.000 -0.720 -0.995
H7 0.000 2.140 0.767
H8 0.000 -2.140 0.767
H9 0.000 1.367 -1.868
H10 0.000 -1.367 -1.868

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.01461.39941.39942.25232.25232.17192.17193.30393.3039
H21.01462.14982.14983.22993.22992.54992.54994.24834.2483
C31.39942.14982.28871.39472.28951.08543.31252.21363.3404
C41.39942.14982.28872.28951.39473.31251.08543.34042.2136
C52.25233.22991.39472.28951.44052.26233.35891.08722.2630
C62.25233.22992.28951.39471.44053.35892.26232.26301.0872
H72.17192.54991.08543.31252.26233.35894.27942.74614.3867
H82.17192.54993.31251.08543.35892.26234.27944.38672.7461
H93.30394.24832.21363.34041.08722.26302.74614.38672.7345
H103.30394.24833.34042.21362.26301.08724.38672.74612.7345

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.434 N1 C3 H7 121.356
N1 C4 C6 107.434 N1 C4 H8 121.356
H2 N1 C3 125.138 H2 N1 C4 125.138
C3 N1 C4 109.724 C3 C5 C6 107.704
C3 C5 H9 125.775 C4 C6 C5 107.704
C4 C6 H10 125.775 C5 C3 H7 131.210
C5 C6 H10 126.522 C6 C4 H8 131.210
C6 C5 H9 126.522
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 -0.597      
2 H 0.293      
3 C 0.085      
4 C 0.085      
5 C -0.137      
6 C -0.137      
7 H 0.114      
8 H 0.114      
9 H 0.090      
10 H 0.090      


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 -33.125 0.000 0.000
y 0.000 -26.718 0.000
z 0.000 0.000 -23.523
Traceless
 xyz
x -8.004 0.000 0.000
y 0.000 1.606 0.000
z 0.000 0.000 6.398
Polar
3z2-r212.797
x2-y2-6.407
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.383 0.000 0.000
y 0.000 7.978 0.000
z 0.000 0.000 7.808


<r2> (average value of r2) Å2
<r2> 87.286
(<r2>)1/2 9.343