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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-23.945749
Energy at 298.15K-23.951925
HF Energy-23.515316
Nuclear repulsion energy43.013909
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-121G*
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' 3505 3339 0.67      
2 A' 3275 3120 33.27      
3 A' 3164 3015 14.14      
4 A' 1553 1479 0.94      
5 A' 1315 1253 9.84      
6 A' 1250 1191 13.37      
7 A' 1139 1085 8.29      
8 A' 1031 982 11.96      
9 A' 881 839 52.79      
10 A' 789 752 22.84      
11 A" 3263 3109 0.75      
12 A" 3157 3008 28.42      
13 A" 1524 1452 0.00      
14 A" 1290 1229 12.23      
15 A" 1177 1122 3.80      
16 A" 1111 1059 4.66      
17 A" 928 884 14.30      
18 A" 860 819 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 15604.9 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 14868.4 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-121G*
ABC
0.74683 0.69831 0.44046

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.052 0.897 0.000
H2 0.901 1.269 0.000
C3 -0.052 -0.395 0.748
C4 -0.052 -0.395 -0.748
H5 -0.975 -0.599 1.283
H6 0.861 -0.697 1.256
H7 -0.975 -0.599 -1.283
H8 0.861 -0.697 -1.256

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02351.49331.49332.17602.22572.17602.2257
H21.02352.05922.05922.94212.33392.94212.3339
C31.49332.05921.49571.08571.08792.23972.2229
C41.49332.05921.49572.23972.22291.08571.0879
H52.17602.94211.08572.23971.83882.56573.1348
H62.22572.33391.08792.22291.83883.13482.5122
H72.17602.94212.23971.08572.56573.13481.8388
H82.22572.33392.22291.08793.13482.51221.8388

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.947 N1 C3 H5 114.138
N1 C3 H6 118.296 N1 C4 C3 59.947
N1 C4 H7 114.138 N1 C4 H8 118.296
H2 N1 C3 108.353 H2 N1 C4 108.353
C3 N1 C4 60.107 C3 C4 H7 119.522
C3 C4 H8 117.850 C4 C3 H5 119.522
C4 C3 H6 117.850 H5 C3 H6 115.547
H7 C4 H8 115.547
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability