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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CCSD=FULL/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=FULL/cc-pVTZ
 hartrees
Energy at 0K-209.828034
Energy at 298.15K 
HF Energy-208.884981
Nuclear repulsion energy161.904781
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=FULL/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 3753 3559 76.49      
2 A1 3323 3150 0.35      
3 A1 3298 3126 2.11      
4 A1 1548 1468 9.94      
5 A1 1459 1384 4.21      
6 A1 1199 1137 2.89      
7 A1 1118 1060 11.28      
8 A1 1057 1002 27.21      
9 A1 912 865 0.31      
10 A2 910 862 0.00      
11 A2 737 699 0.00      
12 A2 638 605 0.00      
13 B1 879 833 0.84      
14 B1 769 729 144.16      
15 B1 653 619 0.00      
16 B1 494 468 76.73      
17 B2 3313 3141 3.54      
18 B2 3287 3116 1.86      
19 B2 1619 1535 2.90      
20 B2 1499 1422 8.88      
21 B2 1342 1272 0.86      
22 B2 1185 1124 1.47      
23 B2 1094 1037 19.95      
24 B2 889 843 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 18486.8 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 17527.3 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 CCSD=FULL/cc-pVTZ
ABC
0.30891 0.30473 0.15340

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.115
H2 0.000 0.000 2.113
C3 0.000 1.116 0.329
C4 0.000 -1.116 0.329
C5 0.000 0.710 -0.977
C6 0.000 -0.710 -0.977
H7 0.000 2.097 0.757
H8 0.000 -2.097 0.757
H9 0.000 1.354 -1.832
H10 0.000 -1.354 -1.832

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.99801.36531.36532.20892.20892.12752.12753.24303.2430
H20.99802.10442.10443.17023.17022.49732.49734.17074.1707
C31.36532.10442.23271.36742.24521.07013.24192.17393.2820
C41.36532.10442.23272.24521.36743.24191.07013.28202.1739
C52.20893.17021.36742.24521.42022.22023.29951.07042.2341
C62.20893.17022.24521.36741.42023.29952.22022.23411.0704
H72.12752.49731.07013.24192.22023.29954.19432.69354.3141
H82.12752.49733.24191.07013.29952.22024.19434.31412.6935
H93.24304.17072.17393.28201.07042.23412.69354.31412.7077
H103.24304.17073.28202.17392.23411.07044.31412.69352.7077

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.866 N1 C3 H7 121.278
N1 C4 C6 107.866 N1 C4 H8 121.278
H2 N1 C3 125.148 H2 N1 C4 125.148
C3 N1 C4 109.704 C3 C5 C6 107.282
C3 C5 H9 125.749 C4 C6 C5 107.282
C4 C6 H10 125.749 C5 C3 H7 130.856
C5 C6 H10 126.969 C6 C4 H8 130.856
C6 C5 H9 126.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability