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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-23.909560
Energy at 298.15K-23.915720
HF Energy-23.506972
Nuclear repulsion energy42.770500
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/CEP-31G*
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' 3530 3351 0.45      
2 A' 3295 3129 37.24      
3 A' 3181 3020 16.66      
4 A' 1554 1475 1.21      
5 A' 1308 1242 9.32      
6 A' 1261 1197 12.38      
7 A' 1127 1070 9.49      
8 A' 1026 974 9.88      
9 A' 887 842 59.91      
10 A' 789 749 24.32      
11 A" 3283 3117 0.74      
12 A" 3174 3014 32.72      
13 A" 1514 1437 0.02      
14 A" 1283 1218 10.85      
15 A" 1166 1107 3.52      
16 A" 1097 1041 5.78      
17 A" 920 873 13.65      
18 A" 863 820 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 15628.9 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 14838.1 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 MP2/CEP-31G*
ABC
0.74250 0.68689 0.43610

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.890 0.000
H2 0.921 1.257 0.000
C3 -0.039 -0.405 0.754
C4 -0.039 -0.405 -0.754
H5 -0.973 -0.609 1.288
H6 0.881 -0.707 1.270
H7 -0.973 -0.609 -1.288
H8 0.881 -0.707 -1.270

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02751.49861.49862.18612.23822.18612.2382
H21.02752.06202.06202.95422.33942.95422.3394
C31.49862.06201.50831.09501.09682.25512.2437
C41.49862.06201.50832.25512.24371.09501.0968
H52.18612.95421.09502.25511.85602.57673.1607
H62.23822.33941.09682.24371.85603.16072.5402
H72.18612.95422.25511.09502.57673.16071.8560
H82.23822.33942.24371.09683.16072.54021.8560

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.786 N1 C3 H5 113.989
N1 C3 H6 118.345 N1 C4 C3 59.786
N1 C4 H7 113.989 N1 C4 H8 118.345
H2 N1 C3 107.977 H2 N1 C4 107.977
C3 N1 C4 60.428 C3 C4 H7 119.201
C3 C4 H8 118.060 C4 C3 H5 119.201
C4 C3 H6 118.060 H5 C3 H6 115.728
H7 C4 H8 115.728
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability