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All results from a given calculation for C4H4N (pyrrolide radical)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-209.134671
Energy at 298.15K-209.139494
HF Energy-208.267208
Nuclear repulsion energy152.333494
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/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 3319 3151 0.19      
2 A1 3273 3108 0.03      
3 A1 1600 1519 17.25      
4 A1 1464 1390 27.39      
5 A1 1276 1211 11.39      
6 A1 1122 1065 42.07      
7 A1 1089 1034 4.89      
8 A1 899 853 12.82      
9 A2 964 915 0.00      
10 A2 891 846 0.00      
11 A2 525 498 0.00      
12 B1 946 898 0.01      
13 B1 745 707 62.60      
14 B1 574 545 26.77      
15 B2 8568 8135 812023.60      
16 B2 3293 3126 57.81      
17 B2 3265 3099 76.25      
18 B2 1336 1268 110.00      
19 B2 1313 1246 33.96      
20 B2 1041 988 0.88      
21 B2 894 848 7.04      

Unscaled Zero Point Vibrational Energy (zpe) 19197.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 18225.7 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/cc-pVTZ
ABC
0.33863 0.30033 0.15917

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.236
C2 0.000 1.049 0.419
C3 0.000 -1.049 0.419
C4 0.000 0.684 -0.972
C5 0.000 -0.684 -0.972
H6 0.000 2.051 0.808
H7 0.000 -2.051 0.808
H8 0.000 1.351 -1.811
H9 0.000 -1.351 -1.811

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9
N11.32931.32932.31122.31122.09502.09503.33253.3325
C21.32932.09751.43792.22191.07513.12402.24993.2756
C31.32932.09752.22191.43793.12401.07513.27562.2499
C42.31121.43792.22191.36802.24443.26321.07162.2011
C52.31122.22191.43791.36803.26322.24442.20111.0716
H62.09501.07513.12402.24443.26324.10182.71074.2932
H72.09503.12401.07513.26322.24444.10184.29322.7107
H83.33252.24993.27561.07162.20112.71074.29322.7021
H93.33253.27562.24992.20111.07164.29322.71072.7021

picture of pyrrolide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 113.221 N1 C2 H6 120.856
N1 C3 C5 113.221 N1 C3 H7 120.856
C2 N1 C3 104.168 C2 C4 C5 104.694
C2 C4 H8 126.807 C3 C5 C4 104.694
C3 C5 H9 126.807 C4 C2 H6 125.923
C4 C5 H9 128.499 C5 C3 H7 125.923
C5 C4 H8 128.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability