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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: HSEh1PBE/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 HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-210.015774
Energy at 298.15K 
HF Energy-210.015774
Nuclear repulsion energy161.720660
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 HSEh1PBE/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 3707 3565 70.62      
2 A1 3284 3158 0.01      
3 A1 3263 3138 2.00      
4 A1 1515 1457 10.35      
5 A1 1437 1382 3.00      
6 A1 1191 1145 3.03      
7 A1 1099 1057 8.15      
8 A1 1041 1002 28.96      
9 A1 902 868 0.21      
10 A2 899 864 0.00      
11 A2 710 683 0.00      
12 A2 634 610 0.00      
13 B1 857 824 0.47      
14 B1 742 714 160.33      
15 B1 650 625 0.02      
16 B1 517 498 72.76      
17 B2 3278 3153 1.52      
18 B2 3251 3127 2.31      
19 B2 1587 1527 1.70      
20 B2 1471 1415 5.49      
21 B2 1313 1263 1.70      
22 B2 1165 1121 3.43      
23 B2 1073 1032 25.67      
24 B2 879 845 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 18231.6 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 17535.2 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.30862 0.30399 0.15315

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.114
H2 0.000 0.000 2.116
C3 0.000 1.117 0.331
C4 0.000 -1.117 0.331
C5 0.000 0.708 -0.978
C6 0.000 -0.708 -0.978
H7 0.000 2.103 0.763
H8 0.000 -2.103 0.763
H9 0.000 1.356 -1.839
H10 0.000 -1.356 -1.839

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00221.36421.36422.20842.20842.13252.13253.24953.2495
H21.00222.10592.10593.17403.17402.50092.50094.18124.1812
C31.36422.10592.23431.37112.24621.07693.24952.18303.2904
C41.36422.10592.23432.24621.37113.24951.07693.29042.1830
C52.20843.17401.37112.24621.41682.23113.30731.07772.2371
C62.20843.17402.24621.37111.41683.30732.23112.23711.0777
H72.13252.50091.07693.24952.23113.30734.20692.70754.3292
H82.13252.50093.24951.07693.30732.23114.20694.32922.7075
H93.24954.18122.18303.29041.07772.23712.70754.32922.7126
H103.24954.18123.29042.18302.23711.07774.32922.70752.7126

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.681 N1 C3 H7 121.301
N1 C4 C6 107.681 N1 C4 H8 121.301
H2 N1 C3 125.026 H2 N1 C4 125.026
C3 N1 C4 109.949 C3 C5 C6 107.345
C3 C5 H9 125.699 C4 C6 C5 107.345
C4 C6 H10 125.699 C5 C3 H7 131.018
C5 C6 H10 126.956 C6 C4 H8 131.018
C6 C5 H9 126.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.162      
2 H 0.023      
3 C -0.608      
4 C -0.608      
5 C -0.395      
6 C -0.395      
7 H 0.545      
8 H 0.545      
9 H 0.366      
10 H 0.366      


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 1.872 1.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.983 0.000 0.000
y 0.000 -27.107 0.000
z 0.000 0.000 -23.857
Traceless
 xyz
x -8.501 0.000 0.000
y 0.000 1.813 0.000
z 0.000 0.000 6.688
Polar
3z2-r213.375
x2-y2-6.876
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.687 0.000 0.000
y 0.000 9.371 0.000
z 0.000 0.000 8.965


<r2> (average value of r2) Å2
<r2> 85.092
(<r2>)1/2 9.225