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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-209.792938
Energy at 298.15K 
HF Energy-208.883323
Nuclear repulsion energy160.763935
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 CCSD(T)/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 3698 3605        
2 A1 3280 3197        
3 A1 3258 3176        
4 A1 1509 1471        
5 A1 1423 1387        
6 A1 1167 1138        
7 A1 1095 1067        
8 A1 1033 1007        
9 A1 889 867        
10 A2 855 834        
11 A2 690 673        
12 A2 616 600        
13 B1 826 805        
14 B1 732 714        
15 B1 635 619        
16 B1 445 433        
17 B2 3273 3190        
18 B2 3247 3165        
19 B2 1573 1533        
20 B2 1466 1429        
21 B2 1310 1277        
22 B2 1160 1130        
23 B2 1066 1039        
24 B2 869 847        

Unscaled Zero Point Vibrational Energy (zpe) 18056.1 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 17601.1 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 CCSD(T)/cc-pVTZ
ABC
0.30480 0.30017 0.15123

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.123
H2 0.000 0.000 2.126
C3 0.000 1.125 0.332
C4 0.000 -1.125 0.332
C5 0.000 0.714 -0.984
C6 0.000 -0.714 -0.984
H7 0.000 2.110 0.766
H8 0.000 -2.110 0.766
H9 0.000 1.362 -1.845
H10 0.000 -1.362 -1.845

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00311.37451.37452.22482.22482.14022.14023.26573.2657
H21.00312.11682.11683.19113.19112.51042.51044.19834.1983
C31.37452.11682.24921.37942.26161.07693.26392.19083.3056
C41.37452.11682.24922.26161.37943.26391.07693.30562.1908
C52.22483.19111.37942.26161.42812.23923.32291.07762.2476
C62.22483.19112.26161.37941.42813.32292.23922.24761.0776
H72.14022.51041.07693.26392.23923.32294.22062.71664.3449
H82.14022.51043.26391.07693.32292.23924.22064.34492.7166
H93.26574.19832.19083.30561.07762.24762.71664.34492.7243
H103.26574.19833.30562.19082.24761.07764.34492.71662.7243

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.777 N1 C3 H7 121.158
N1 C4 C6 107.777 N1 C4 H8 121.158
H2 N1 C3 125.093 H2 N1 C4 125.093
C3 N1 C4 109.813 C3 C5 C6 107.317
C3 C5 H9 125.713 C4 C6 C5 107.317
C4 C6 H10 125.713 C5 C3 H7 131.065
C5 C6 H10 126.970 C6 C4 H8 131.065
C6 C5 H9 126.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability