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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-209.562443
Energy at 298.15K-209.568370
HF Energy-208.826953
Nuclear repulsion energy160.799320
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/6-31+G**
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 3735 3508 80.94      
2 A1 3348 3145 0.04      
3 A1 3328 3125 2.44      
4 A1 1532 1439 11.94      
5 A1 1467 1378 3.45      
6 A1 1186 1114 2.01      
7 A1 1127 1058 5.50      
8 A1 1065 1000 31.54      
9 A1 899 844 0.45      
10 A2 791 743 0.00      
11 A2 645 606 0.00      
12 A2 566 532 0.00      
13 B1 779 732 19.09      
14 B1 709 666 193.58      
15 B1 622 584 7.57      
16 B1 440 413 62.77      
17 B2 3342 3139 2.32      
18 B2 3317 3115 2.22      
19 B2 1589 1493 1.07      
20 B2 1513 1421 14.10      
21 B2 1339 1258 1.51      
22 B2 1194 1121 2.81      
23 B2 1088 1022 27.35      
24 B2 877 824 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 18248.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 17138.7 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/6-31+G**
ABC
0.30553 0.29983 0.15133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.121
H2 0.000 0.000 2.127
C3 0.000 1.126 0.335
C4 0.000 -1.126 0.335
C5 0.000 0.709 -0.986
C6 0.000 -0.709 -0.986
H7 0.000 2.110 0.769
H8 0.000 -2.110 0.769
H9 0.000 1.358 -1.846
H10 0.000 -1.358 -1.846

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00661.37281.37282.22282.22282.13942.13943.26273.2627
H21.00662.11672.11673.19293.19292.50962.50964.19904.1990
C31.37282.11672.25111.38462.26071.07643.26502.19313.3051
C41.37282.11672.25112.26071.38463.26501.07643.30512.1931
C52.22283.19291.38462.26071.41872.24573.32131.07732.2391
C62.22283.19292.26071.38461.41873.32132.24572.23911.0773
H72.13942.50961.07643.26502.24573.32134.22072.72134.3438
H82.13942.50963.26501.07643.32132.24574.22074.34382.7213
H93.26274.19902.19313.30511.07732.23912.72134.34382.7159
H103.26274.19903.30512.19312.23911.07734.34382.72132.7159

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.432 N1 C3 H7 121.263
N1 C4 C6 107.432 N1 C4 H8 121.263
H2 N1 C3 124.927 H2 N1 C4 124.927
C3 N1 C4 110.145 C3 C5 C6 107.495
C3 C5 H9 125.487 C4 C6 C5 107.495
C4 C6 H10 125.487 C5 C3 H7 131.305
C5 C6 H10 127.018 C6 C4 H8 131.305
C6 C5 H9 127.018
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability