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All results from a given calculation for H2CCNH (Ethenimine)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-131.441841
Energy at 298.15K-131.444462
HF Energy-131.131272
Nuclear repulsion energy58.907043
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/3-21G*
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' 3333 3204 1.62      
2 A' 3161 3038 2.98      
3 A' 2109 2027 176.67      
4 A' 1517 1458 5.44      
5 A' 1143 1099 1.37      
6 A' 1057 1015 351.54      
7 A' 810 778 111.03      
8 A' 474 456 25.41      
9 A" 3240 3114 0.71      
10 A" 1089 1046 0.48      
11 A" 957 920 59.68      
12 A" 431 414 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 9660.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 9284.3 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/3-21G*
ABC
6.88453 0.31499 0.30894

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.076 -1.264 0.000
C2 0.000 0.056 0.000
N3 -0.027 1.295 0.000
H4 -0.110 -1.823 0.931
H5 -0.110 -1.823 -0.931
H6 0.860 1.825 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6
C11.32262.55991.08651.08653.2276
C21.32261.23922.10002.10001.9666
N32.55991.23923.25503.25501.0327
H41.08652.10003.25501.86273.8875
H51.08652.10003.25501.86273.8875
H63.22761.96661.03273.88753.8875

picture of Ethenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 175.495 C2 C1 H4 120.996
C2 C1 H5 120.996 C2 N3 H6 119.631
H4 C1 H5 118.008
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability