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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-210.252327
Energy at 298.15K-210.258447
HF Energy-210.252327
Nuclear repulsion energy161.264217
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 B3LYPultrafine/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 3671 3551 65.29      
2 A1 3264 3158 0.02      
3 A1 3243 3138 2.82      
4 A1 1499 1450 9.90      
5 A1 1415 1369 3.59      
6 A1 1173 1135 2.17      
7 A1 1090 1054 8.11      
8 A1 1033 1000 30.84      
9 A1 903 873 0.26      
10 A2 894 865 0.00      
11 A2 702 680 0.00      
12 A2 631 610 0.00      
13 B1 851 823 0.74      
14 B1 737 713 156.96      
15 B1 643 622 0.00      
16 B1 498 482 73.18      
17 B2 3259 3153 2.14      
18 B2 3232 3127 2.58      
19 B2 1574 1523 1.51      
20 B2 1444 1397 6.52      
21 B2 1315 1273 0.90      
22 B2 1156 1118 1.88      
23 B2 1067 1033 25.86      
24 B2 881 853 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 18087.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 17499.4 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.30658 0.30237 0.15223

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.120
H2 0.000 0.000 2.123
C3 0.000 1.121 0.330
C4 0.000 -1.121 0.330
C5 0.000 0.713 -0.980
C6 0.000 -0.713 -0.980
H7 0.000 2.108 0.760
H8 0.000 -2.108 0.760
H9 0.000 1.358 -1.842
H10 0.000 -1.358 -1.842

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00311.37191.37192.21792.21792.13832.13833.25863.2586
H21.00312.11512.11513.18413.18412.51012.51014.19144.1914
C31.37192.11512.24301.37202.25431.07613.25782.18503.2961
C41.37192.11512.24302.25431.37203.25781.07613.29612.1850
C52.21793.18411.37202.25431.42652.23003.31461.07642.2432
C62.21793.18412.25431.37201.42653.31462.23002.24321.0764
H72.13832.51011.07613.25782.23003.31464.21562.70844.3338
H82.13832.51013.25781.07613.31462.23004.21564.33382.7084
H93.25864.19142.18503.29611.07642.24322.70844.33382.7152
H103.25864.19143.29612.18502.24321.07644.33382.70842.7152

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.858 N1 C3 H7 121.264
N1 C4 C6 107.858 N1 C4 H8 121.264
H2 N1 C3 125.168 H2 N1 C4 125.168
C3 N1 C4 109.664 C3 C5 C6 107.310
C3 C5 H9 125.919 C4 C6 C5 107.310
C4 C6 H10 125.919 C5 C3 H7 130.877
C5 C6 H10 126.772 C6 C4 H8 130.877
C6 C5 H9 126.772
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.178      
2 H 0.027      
3 C -0.647      
4 C -0.647      
5 C -0.343      
6 C -0.343      
7 H 0.550      
8 H 0.550      
9 H 0.338      
10 H 0.338      


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 1.832 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.139 0.000 0.000
y 0.000 -27.491 0.000
z 0.000 0.000 -24.275
Traceless
 xyz
x -8.256 0.000 0.000
y 0.000 1.717 0.000
z 0.000 0.000 6.540
Polar
3z2-r213.080
x2-y2-6.649
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.801 0.000 0.000
y 0.000 9.504 0.000
z 0.000 0.000 9.103


<r2> (average value of r2) Å2
<r2> 85.657
(<r2>)1/2 9.255