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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-209.648860
Energy at 298.15K-209.654784
HF Energy-208.846538
Nuclear repulsion energy160.767195
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 MP2=FULL/6-311G*
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 3711 3514 65.98      
2 A1 3301 3126 0.22      
3 A1 3281 3107 3.50      
4 A1 1524 1443 5.55      
5 A1 1447 1370 4.74      
6 A1 1187 1124 2.38      
7 A1 1118 1059 6.47      
8 A1 1055 999 27.77      
9 A1 899 851 0.17      
10 A2 773 732 0.00      
11 A2 629 596 0.00      
12 A2 583 552 0.00      
13 B1 761 721 21.53      
14 B1 701 664 174.00      
15 B1 638 604 0.78      
16 B1 451 427 70.74      
17 B2 3294 3120 4.55      
18 B2 3270 3097 2.01      
19 B2 1577 1493 4.88      
20 B2 1512 1432 11.84      
21 B2 1319 1249 1.40      
22 B2 1189 1126 3.07      
23 B2 1076 1019 27.48      
24 B2 875 829 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 18084.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 17128.0 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 MP2=FULL/6-311G*
ABC
0.30564 0.29960 0.15130

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

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 2.126
C3 0.000 1.124 0.336
C4 0.000 -1.124 0.336
C5 0.000 0.710 -0.986
C6 0.000 -0.710 -0.986
H7 0.000 2.113 0.771
H8 0.000 -2.113 0.771
H9 0.000 1.360 -1.850
H10 0.000 -1.360 -1.850

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00621.37061.37062.22262.22262.14172.14173.26653.2665
H21.00622.11402.11403.19233.19232.51032.51034.20234.2023
C31.37062.11402.24841.38552.26091.08043.26642.19843.3092
C41.37062.11402.24842.26091.38553.26641.08043.30922.1984
C52.22263.19231.38552.26091.41972.24883.32521.08122.2432
C62.22263.19232.26091.38551.41973.32522.24882.24321.0812
H72.14172.51031.08043.26642.24883.32524.22612.72684.3513
H82.14172.51033.26641.08043.32522.24884.22614.35132.7268
H93.26654.20232.19843.30921.08122.24322.72684.35132.7209
H103.26654.20233.30922.19842.24321.08124.35132.72682.7209

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.494 N1 C3 H7 121.356
N1 C4 C6 107.494 N1 C4 H8 121.356
H2 N1 C3 124.893 H2 N1 C4 124.893
C3 N1 C4 110.213 C3 C5 C6 107.400
C3 C5 H9 125.606 C4 C6 C5 107.400
C4 C6 H10 125.606 C5 C3 H7 131.151
C5 C6 H10 126.995 C6 C4 H8 131.151
C6 C5 H9 126.995
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability