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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-208.064400
Energy at 298.15K 
HF Energy-207.646305
Nuclear repulsion energy160.163599
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 CID/3-21G
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 3717 3463 76.42      
2 A1 3359 3129 0.10      
3 A1 3331 3103 3.80      
4 A1 1538 1433 6.36      
5 A1 1447 1348 10.13      
6 A1 1204 1122 0.25      
7 A1 1115 1039 17.42      
8 A1 1056 984 27.33      
9 A1 958 893 0.96      
10 A2 897 836 0.00      
11 A2 758 706 0.00      
12 A2 653 608 0.00      
13 B1 895 834 1.24      
14 B1 775 722 135.23      
15 B1 664 618 0.00      
16 B1 613 571 156.71      
17 B2 3347 3118 5.63      
18 B2 3320 3093 2.05      
19 B2 1632 1521 10.99      
20 B2 1494 1392 14.64      
21 B2 1379 1285 0.15      
22 B2 1212 1129 0.11      
23 B2 1104 1028 19.77      
24 B2 944 880 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 18705.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 17426.1 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 CID/3-21G
ABC
0.30101 0.29916 0.15004

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.132
H2 0.000 0.000 2.136
C3 0.000 1.133 0.328
C4 0.000 -1.133 0.328
C5 0.000 0.719 -0.983
C6 0.000 -0.719 -0.983
H7 0.000 2.122 0.750
H8 0.000 -2.122 0.750
H9 0.000 1.358 -1.849
H10 0.000 -1.358 -1.849

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N11.00461.38871.38872.23392.23392.15552.15553.27513.2751
H21.00462.13342.13343.20143.20142.53412.53414.20994.2099
C31.38872.13342.26571.37552.26961.07483.28162.18883.3083
C41.38872.13342.26572.26961.37553.28161.07483.30832.1888
C52.23393.20141.37552.26961.43842.22973.32791.07562.2503
C62.23393.20142.26961.37551.43843.32792.22972.25031.0756
H72.15552.53411.07483.28162.22973.32794.24302.70874.3430
H82.15552.53413.28161.07483.32792.22974.24304.34302.7087
H93.27514.20992.18883.30831.07562.25032.70874.34302.7162
H103.27514.20993.30832.18882.25031.07564.34302.70872.7162

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.834 N1 C3 H7 121.566
N1 C4 C6 107.834 N1 C4 H8 121.566
H2 N1 C3 125.335 H2 N1 C4 125.335
C3 N1 C4 109.331 C3 C5 C6 107.501
C3 C5 H9 126.062 C4 C6 C5 107.501
C4 C6 H10 126.062 C5 C3 H7 130.600
C5 C6 H10 126.438 C6 C4 H8 130.600
C6 C5 H9 126.438
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability