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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-210.262454
Energy at 298.15K 
HF Energy-210.262454
Nuclear repulsion energy161.142163
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 TPSSh/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 3658 3531 58.30      
2 A1 3261 3147 0.08      
3 A1 3240 3127 4.27      
4 A1 1500 1448 9.84      
5 A1 1419 1370 3.22      
6 A1 1172 1131 2.15      
7 A1 1094 1056 6.54      
8 A1 1035 999 30.40      
9 A1 890 859 0.20      
10 A2 884 853 0.00      
11 A2 693 669 0.00      
12 A2 625 604 0.00      
13 B1 841 811 1.54      
14 B1 738 713 162.86      
15 B1 640 618 0.45      
16 B1 498 481 64.55      
17 B2 3255 3142 3.83      
18 B2 3228 3116 2.72      
19 B2 1572 1517 1.42      
20 B2 1446 1396 6.47      
21 B2 1311 1265 0.95      
22 B2 1157 1117 1.74      
23 B2 1068 1030 25.16      
24 B2 870 840 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 18046.3 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 17418.3 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 TPSSh/aug-cc-pVTZ
ABC
0.30615 0.30195 0.15202

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 2.124
C3 0.000 1.123 0.331
C4 0.000 -1.123 0.331
C5 0.000 0.710 -0.981
C6 0.000 -0.710 -0.981
H7 0.000 2.108 0.767
H8 0.000 -2.108 0.767
H9 0.000 1.358 -1.843
H10 0.000 -1.358 -1.843

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00501.37191.37192.21662.21662.13752.13753.25843.2584
H21.00502.11552.11553.18493.18492.50732.50734.19304.1930
C31.37192.11552.24631.37532.25461.07723.26072.18703.2988
C41.37192.11552.24632.25461.37533.26071.07723.29882.1870
C52.21663.18491.37532.25461.42092.23793.31651.07832.2407
C62.21663.18492.25461.37531.42093.31652.23792.24071.0783
H72.13752.50731.07723.26072.23793.31654.21662.71594.3388
H82.13752.50733.26071.07723.31652.23794.21664.33882.7159
H93.25844.19302.18703.29881.07832.24072.71594.33882.7152
H103.25844.19303.29882.18702.24071.07834.33882.71592.7152

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.583 N1 C3 H7 121.099
N1 C4 C6 107.583 N1 C4 H8 121.099
H2 N1 C3 125.045 H2 N1 C4 125.045
C3 N1 C4 109.910 C3 C5 C6 107.462
C3 C5 H9 125.657 C4 C6 C5 107.462
C4 C6 H10 125.657 C5 C3 H7 131.318
C5 C6 H10 126.881 C6 C4 H8 131.318
C6 C5 H9 126.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.192      
2 H -0.017      
3 C -0.408      
4 C -0.408      
5 C -0.259      
6 C -0.259      
7 H 0.369      
8 H 0.369      
9 H 0.210      
10 H 0.210      


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 1.848 1.848
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.713 0.000 0.000
y 0.000 9.501 0.000
z 0.000 0.000 9.088


<r2> (average value of r2) Å2
<r2> 85.571
(<r2>)1/2 9.250