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All results from a given calculation for C4H5N (3H-pyrrole)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-209.528539
Energy at 298.15K-209.534531
HF Energy-208.827686
Nuclear repulsion energy158.288027
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 MP2/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3280 3117 8.15      
2 A' 3255 3094 3.87      
3 A' 3220 3060 11.20      
4 A' 3076 2923 1.59      
5 A' 1601 1522 9.35      
6 A' 1550 1473 5.73      
7 A' 1439 1368 21.69      
8 A' 1366 1298 18.04      
9 A' 1306 1241 8.87      
10 A' 1282 1218 9.35      
11 A' 1143 1087 3.91      
12 A' 1043 991 3.82      
13 A' 990 941 17.09      
14 A' 964 917 8.44      
15 A' 850 808 1.00      
16 A' 841 800 3.23      
17 A" 3125 2969 2.10      
18 A" 1137 1081 0.01      
19 A" 952 905 16.74      
20 A" 900 855 3.00      
21 A" 765 727 0.13      
22 A" 706 671 44.81      
23 A" 526 500 13.09      
24 A" 324 308 4.13      

Unscaled Zero Point Vibrational Energy (zpe) 17821.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16935.6 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 MP2/6-311G*
ABC
0.29752 0.28428 0.14942

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.142 0.556 0.000
C2 0.000 1.160 0.000
C3 -1.189 0.230 0.000
C4 -0.484 -1.096 0.000
C5 0.844 -0.843 0.000
H6 -0.071 2.246 0.000
H7 -1.822 0.382 0.883
H8 -1.822 0.382 -0.883
H9 -0.970 -2.064 0.000
H10 1.666 -1.549 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10
N11.29152.35322.31781.43092.08023.09773.09773.36502.1695
C21.29151.50902.30692.17331.08862.16932.16933.36643.1802
C32.35321.50901.50172.29822.30471.09731.09732.30463.3639
C42.31782.30691.50171.35123.36722.18032.18031.08312.1973
C51.43092.17332.29821.35123.22193.06363.06362.18571.0840
H62.08021.08862.30473.36723.22192.70582.70584.40264.1739
H73.09772.16931.09732.18033.06362.70581.76622.73644.0836
H83.09772.16931.09732.18033.06362.70581.76622.73644.0836
H93.36503.36642.30461.08312.18574.40262.73642.73642.6856
H102.16953.18023.36392.19731.08404.17394.08364.08362.6856

picture of 3H-pyrrole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 114.114 N1 C2 H6 121.620
N1 C5 C4 112.810 N1 C5 H10 118.592
C2 N1 C5 105.826 C2 C3 C4 100.036
C2 C3 H7 111.701 C2 C3 H8 111.701
C3 C2 H6 124.266 C3 C4 C5 107.215
C3 C4 H9 125.367 C4 C3 H7 113.129
C4 C3 H8 113.129 C4 C5 H10 128.598
C5 C4 H9 127.418 H7 C3 H8 107.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability