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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: QCISD(T)/6-31G*

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(T)/6-31G*
 hartrees
Energy at 0K-208.597714
Energy at 298.15K-208.604041
HF Energy-207.949603
Nuclear repulsion energy120.935544
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(T)/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' 3671 3522        
2 A' 3480 3338        
3 A' 3166 3037        
4 A' 3069 2944        
5 A' 1763 1691        
6 A' 1532 1470        
7 A' 1484 1424        
8 A' 1427 1369        
9 A' 1298 1245        
10 A' 1136 1090        
11 A' 1037 995        
12 A' 883 847        
13 A' 550 527        
14 A' 422 405        
15 A" 3145 3017        
16 A" 1515 1453        
17 A" 1087 1043        
18 A" 865 830        
19 A" 627 601        
20 A" 513 492        
21 A" 120 115        

Unscaled Zero Point Vibrational Energy (zpe) 16394.7 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 15727.4 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 QCISD(T)/6-31G*
ABC
0.35863 0.30674 0.17063

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.958 -1.031 0.000
N3 0.234 1.391 0.000
O4 -1.294 -0.303 0.000
H5 1.996 -0.682 0.000
H6 0.783 -1.654 0.886
H7 0.783 -1.654 -0.886
H8 1.243 1.568 0.000
H9 -1.838 0.512 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50641.28071.36482.15522.14162.14161.89991.8769
C21.50642.52772.36651.09501.09711.09712.61533.1932
N31.28072.52772.28092.72033.21823.21821.02432.2506
O41.36482.36652.28093.31142.63142.63143.15220.9796
H52.15521.09502.72033.31141.78901.78902.37334.0152
H62.14161.09713.21822.63141.78901.77213.37373.5136
H72.14161.09713.21822.63141.78901.77213.37373.5136
H81.89992.61531.02433.15222.37333.37373.37373.2568
H91.87693.19322.25060.97964.01523.51363.51363.2568

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.896 C1 C2 H6 109.689
C1 C2 H7 109.689 C1 N3 H8 110.530
C1 O4 H9 105.181 C2 C1 N3 129.990
C2 C1 O4 110.927 N3 C1 O4 119.084
H5 C2 H6 109.390 H5 C2 H7 109.390
H6 C2 H7 107.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability