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All results from a given calculation for C4H5N (Pyrrole)

using model chemistry: MP3/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/Def2TZVPP
 hartrees
Energy at 0K-209.754619
Energy at 298.15K 
HF Energy-208.891697
Nuclear repulsion energy161.397953
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 MP3/Def2TZVPP
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 3775 3775 83.73      
2 A1 3331 3331 0.08      
3 A1 3309 3309 1.77      
4 A1 1541 1541 11.40      
5 A1 1448 1448 4.83      
6 A1 1193 1193 3.06      
7 A1 1111 1111 12.64      
8 A1 1051 1051 27.25      
9 A1 910 910 0.34      
10 A2 873 873 0.00      
11 A2 714 714 0.00      
12 A2 621 621 0.00      
13 B1 857 857 1.27      
14 B1 753 753 157.97      
15 B1 648 648 0.03      
16 B1 474 474 73.02      
17 B2 3323 3323 2.18      
18 B2 3298 3298 2.09      
19 B2 1611 1611 2.01      
20 B2 1501 1501 10.85      
21 B2 1338 1338 0.91      
22 B2 1182 1182 1.43      
23 B2 1087 1087 20.67      
24 B2 887 887 1.64      

Unscaled Zero Point Vibrational Energy (zpe) 18417.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18417.7 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 MP3/Def2TZVPP
ABC
0.30710 0.30262 0.15242

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.118
H2 0.000 0.000 2.116
C3 0.000 1.120 0.331
C4 0.000 -1.120 0.331
C5 0.000 0.712 -0.980
C6 0.000 -0.712 -0.980
H7 0.000 2.102 0.762
H8 0.000 -2.102 0.762
H9 0.000 1.359 -1.838
H10 0.000 -1.359 -1.838

Atom - Atom Distances (Å)
  N1 H2 C3 C4 C5 C6 H7 H8 H9 H10
N10.99811.36861.36862.21632.21632.13242.13243.25353.2535
H20.99812.10722.10723.17763.17762.50082.50084.18124.1812
C31.36862.10722.23921.37332.25301.07323.25082.18223.2935
C41.36862.10722.23922.25301.37333.25081.07323.29352.1822
C52.21633.17761.37332.25301.42462.22923.31061.07392.2416
C62.21633.17762.25301.37331.42463.31062.22922.24161.0739
H72.13242.50081.07323.25082.22923.31064.20492.70444.3291
H82.13242.50083.25081.07323.31062.22924.20494.32912.7044
H93.25354.18122.18223.29351.07392.24162.70444.32912.7176
H103.25354.18123.29352.18222.24161.07394.32912.70442.7176

picture of Pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 107.858 N1 C3 H7 121.206
N1 C4 C6 107.858 N1 C4 H8 121.206
H2 N1 C3 125.109 H2 N1 C4 125.109
C3 N1 C4 109.781 C3 C5 C6 107.252
C3 C5 H9 125.736 C4 C6 C5 107.252
C4 C6 H10 125.736 C5 C3 H7 130.936
C5 C6 H10 127.013 C6 C4 H8 130.936
C6 C5 H9 127.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability