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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-210.069741
Energy at 298.15K 
HF Energy-209.787537
Nuclear repulsion energy161.212019
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 B2PLYP/aug-cc-pVTZ
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 3688 3544 69.87      
2 A1 3287 3159 0.03      
3 A1 3266 3139 2.24      
4 A1 1503 1445 10.04      
5 A1 1422 1367 3.49      
6 A1 1172 1127 2.05      
7 A1 1096 1054 7.26      
8 A1 1037 997 30.21      
9 A1 900 865 0.23      
10 A2 889 854 0.00      
11 A2 701 674 0.00      
12 A2 629 605 0.00      
13 B1 848 815 0.94      
14 B1 739 711 159.48      
15 B1 644 619 0.11      
16 B1 499 480 71.79      
17 B2 3281 3153 1.73      
18 B2 3255 3128 2.34      
19 B2 1571 1510 1.46      
20 B2 1453 1397 7.22      
21 B2 1318 1266 0.96      
22 B2 1161 1116 1.99      
23 B2 1069 1027 24.44      
24 B2 879 845 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 18154.4 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 17446.3 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 B2PLYP/aug-cc-pVTZ
ABC
0.30641 0.30207 0.15211

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.119
H2 0.000 0.000 2.121
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.711 -0.981
C6 0.000 -0.711 -0.981
H7 0.000 2.107 0.764
H8 0.000 -2.107 0.764
H9 0.000 1.357 -1.841
H10 0.000 -1.357 -1.841

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00271.37131.37132.21692.21692.13632.13633.25583.2558
H21.00272.11312.11313.18303.18302.50622.50624.18834.1883
C31.37132.11312.24521.37562.25451.07473.25802.18483.2963
C41.37132.11312.24522.25451.37563.25801.07473.29632.1848
C52.21693.18301.37562.25451.42102.23453.31361.07562.2389
C62.21693.18302.25451.37561.42103.31362.23452.23891.0756
H72.13632.50621.07473.25802.23453.31364.21312.71044.3333
H82.13632.50623.25801.07473.31362.23454.21314.33332.7104
H93.25584.18832.18483.29631.07562.23892.71044.33332.7134
H103.25584.18833.29632.18482.23891.07564.33332.71042.7134

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.615 N1 C3 H7 121.233
N1 C4 C6 107.615 N1 C4 H8 121.233
H2 N1 C3 125.047 H2 N1 C4 125.047
C3 N1 C4 109.906 C3 C5 C6 107.432
C3 C5 H9 125.642 C4 C6 C5 107.432
C4 C6 H10 125.642 C5 C3 H7 131.151
C5 C6 H10 126.926 C6 C4 H8 131.151
C6 C5 H9 126.926
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.169      
2 H 0.061      
3 C -0.702      
4 C -0.702      
5 C -0.394      
6 C -0.394      
7 H 0.591      
8 H 0.591      
9 H 0.391      
10 H 0.391      


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 1.845 1.845
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.340 0.000 0.000
y 0.000 -27.498 0.000
z 0.000 0.000 -24.287
Traceless
 xyz
x -8.448 0.000 0.000
y 0.000 1.816 0.000
z 0.000 0.000 6.632
Polar
3z2-r213.264
x2-y2-6.842
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.807 0.000 0.000
y 0.000 9.451 0.000
z 0.000 0.000 9.069


<r2> (average value of r2) Å2
<r2> 85.744
(<r2>)1/2 9.260