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All results from a given calculation for C2H5N (Aziridine)

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-133.490793
Energy at 298.15K-133.496998
HF Energy-133.036893
Nuclear repulsion energy75.974064
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 QCISD/6-31G*
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' 3498 3331 0.42      
2 A' 3245 3090 35.70      
3 A' 3158 3008 13.42      
4 A' 1579 1503 1.28      
5 A' 1337 1273 9.31      
6 A' 1281 1220 16.02      
7 A' 1157 1102 4.15      
8 A' 1038 989 13.45      
9 A' 909 866 51.66      
10 A' 801 762 22.00      
11 A" 3233 3078 0.77      
12 A" 3150 3000 27.53      
13 A" 1542 1469 0.02      
14 A" 1312 1249 9.74      
15 A" 1186 1129 3.29      
16 A" 1141 1086 2.09      
17 A" 940 895 13.52      
18 A" 899 856 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 15702.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 14953.0 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 QCISD/6-31G*
ABC
0.76121 0.70593 0.44731

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.876 0.000
H2 0.903 1.273 0.000
C3 -0.039 -0.398 0.742
C4 -0.039 -0.398 -0.742
H5 -0.957 -0.608 1.286
H6 0.872 -0.708 1.255
H7 -0.957 -0.608 -1.286
H8 0.872 -0.708 -1.255

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.02161.47451.47452.16782.21652.16782.2165
H21.02162.05652.05652.94112.34532.94112.3453
C31.47452.05651.48351.08791.08972.23572.2161
C41.47452.05651.48352.23572.21611.08791.0897
H52.16782.94111.08792.23571.83162.57133.1318
H62.21652.34531.08972.21611.83163.13182.5099
H72.16782.94112.23571.08792.57133.13181.8316
H82.21652.34532.21611.08973.13182.50991.8316

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.799 N1 C3 H5 114.714
N1 C3 H6 118.861 N1 C4 C3 59.799
N1 C4 H7 114.714 N1 C4 H8 118.861
H2 N1 C3 109.609 H2 N1 C4 109.609
C3 N1 C4 60.402 C3 C4 H7 119.998
C3 C4 H8 118.094 C4 C3 H5 119.998
C4 C3 H6 118.094 H5 C3 H6 114.507
H7 C4 H8 114.507
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability