return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H5N (Aziridine)

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-133.579909
Energy at 298.15K-133.586117
Nuclear repulsion energy75.987385
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/6-311G**
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' 3542 3380 0.03      
2 A' 3238 3090 36.00      
3 A' 3147 3002 13.25      
4 A' 1558 1486 1.25      
5 A' 1318 1258 5.95      
6 A' 1268 1210 14.34      
7 A' 1151 1098 4.34      
8 A' 1028 980 10.78      
9 A' 898 857 50.61      
10 A' 794 757 22.09      
11 A" 3225 3077 0.56      
12 A" 3139 2995 27.84      
13 A" 1523 1453 0.00      
14 A" 1302 1242 9.20      
15 A" 1179 1124 2.55      
16 A" 1136 1084 2.15      
17 A" 937 894 12.27      
18 A" 885 845 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 15633.4 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 14915.8 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/6-311G**
ABC
0.76214 0.70467 0.44742

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.039 0.877 0.000
H2 0.904 1.258 0.000
C3 -0.039 -0.398 0.744
C4 -0.039 -0.398 -0.744
H5 -0.958 -0.609 1.282
H6 0.874 -0.703 1.251
H7 -0.958 -0.609 -1.282
H8 0.874 -0.703 -1.251

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8
N11.01681.47581.47582.16742.21222.16742.2122
H21.01682.04562.04562.93222.32662.93222.3266
C31.47582.04561.48721.08601.08782.23472.2146
C41.47582.04561.48722.23472.21461.08601.0878
H52.16742.93221.08602.23471.83412.56493.1275
H62.21222.32661.08782.21461.83413.12752.5021
H72.16742.93222.23471.08602.56493.12751.8341
H82.21222.32662.21461.08783.12752.50211.8341

picture of Aziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C4 59.743 N1 C3 H5 114.716
N1 C3 H6 118.510 N1 C4 C3 59.743
N1 C4 H7 114.716 N1 C4 H8 118.510
H2 N1 C3 108.911 H2 N1 C4 108.911
C3 N1 C4 60.514 C3 C4 H7 119.746
C3 C4 H8 117.806 C4 C3 H5 119.746
C4 C3 H6 117.806 H5 C3 H6 115.074
H7 C4 H8 115.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability