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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-210.149204
Energy at 298.15K-210.155339
HF Energy-210.149204
Nuclear repulsion energy160.990301
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3712 3557 68.73      
2 A1 3302 3164 0.03      
3 A1 3280 3143 2.43      
4 A1 1517 1454 11.63      
5 A1 1444 1384 2.05      
6 A1 1193 1143 3.18      
7 A1 1098 1052 8.04      
8 A1 1040 997 29.57      
9 A1 898 860 0.19      
10 A2 874 837 0.00      
11 A2 702 673 0.00      
12 A2 630 603 0.00      
13 B1 838 803 0.03      
14 B1 737 706 169.64      
15 B1 646 619 0.00      
16 B1 522 500 68.70      
17 B2 3296 3158 2.01      
18 B2 3268 3132 2.47      
19 B2 1589 1523 1.24      
20 B2 1483 1421 5.16      
21 B2 1306 1251 2.09      
22 B2 1163 1114 4.00      
23 B2 1070 1025 26.22      
24 B2 874 837 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 18240.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 17479.4 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 mPW1PW91/aug-cc-pVDZ
ABC
0.30592 0.30122 0.15177

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.124
C3 0.000 1.122 0.333
C4 0.000 -1.122 0.333
C5 0.000 0.711 -0.982
C6 0.000 -0.711 -0.982
H7 0.000 2.114 0.769
H8 0.000 -2.114 0.769
H9 0.000 1.364 -1.849
H10 0.000 -1.364 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00571.36901.36902.21772.21772.14242.14243.26543.2654
H21.00572.11292.11293.18673.18672.51082.51084.20034.2003
C31.36902.11292.24361.37832.25661.08343.26472.19583.3075
C41.36902.11292.24362.25661.37833.26471.08343.30752.1958
C52.21773.18671.37832.25661.42302.24353.32401.08452.2487
C62.21773.18672.25661.37831.42303.32402.24352.24871.0845
H72.14242.51081.08343.26472.24353.32404.22752.72334.3526
H82.14242.51083.26471.08343.32402.24354.22754.35262.7233
H93.26544.20032.19583.30751.08452.24872.72334.35262.7270
H103.26544.20033.30752.19582.24871.08454.35262.72332.7270

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.655 N1 C3 H7 121.325
N1 C4 C6 107.655 N1 C4 H8 121.325
H2 N1 C3 124.974 H2 N1 C4 124.974
C3 N1 C4 110.052 C3 C5 C6 107.319
C3 C5 H9 125.724 C4 C6 C5 107.319
C4 C6 H10 125.724 C5 C3 H7 131.021
C5 C6 H10 126.957 C6 C4 H8 131.021
C6 C5 H9 126.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.187      
2 H -0.118      
3 C 0.199      
4 C 0.199      
5 C 0.771      
6 C 0.771      
7 H -0.388      
8 H -0.388      
9 H -0.430      
10 H -0.430      


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 1.871 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.137 0.000 0.000
y 0.000 -27.013 0.000
z 0.000 0.000 -23.787
Traceless
 xyz
x -8.737 0.000 0.000
y 0.000 1.949 0.000
z 0.000 0.000 6.788
Polar
3z2-r213.576
x2-y2-7.124
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.727 0.000 0.000
y 0.000 9.391 0.000
z 0.000 0.000 8.995


<r2> (average value of r2) Å2
<r2> 85.710
(<r2>)1/2 9.258