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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-208.735826
Energy at 298.15K-208.742237
HF Energy-207.982272
Nuclear repulsion energy121.971984
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 CCD/6-31G(2df,p)
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' 3864 3660 57.61      
2 A' 3599 3409 4.17      
3 A' 3214 3045 8.37      
4 A' 3110 2946 3.58      
5 A' 1816 1721 199.01      
6 A' 1522 1441 24.17      
7 A' 1490 1411 63.80      
8 A' 1423 1348 0.78      
9 A' 1305 1236 98.98      
10 A' 1141 1081 178.96      
11 A' 1040 985 26.96      
12 A' 895 847 0.75      
13 A' 560 530 40.28      
14 A' 426 404 1.62      
15 A" 3189 3020 3.90      
16 A" 1505 1426 6.55      
17 A" 1091 1033 8.74      
18 A" 886 839 25.84      
19 A" 632 598 115.85      
20 A" 528 500 26.01      
21 A" 136 129 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 16685.5 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 15804.5 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 CCD/6-31G(2df,p)
ABC
0.36379 0.31212 0.17338

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.136 0.000
C2 0.901 -1.067 0.000
N3 0.303 1.364 0.000
O4 -1.297 -0.237 0.000
H5 1.950 -0.772 0.000
H6 0.696 -1.679 0.880
H7 0.696 -1.679 -0.880
H8 1.310 1.483 0.000
H9 -1.804 0.581 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50271.26551.34942.15072.13322.13321.87941.8584
C21.50272.50372.34951.08871.09151.09152.58233.1677
N31.26552.50372.26362.69783.19213.19211.01432.2480
O41.34942.34952.26363.29022.61222.61223.12340.9627
H52.15071.08872.69783.29021.77971.77972.34453.9903
H62.13321.09153.19212.61221.77971.76033.33893.4830
H72.13321.09153.19212.61221.77971.76033.33893.4830
H81.87942.58231.01433.12342.34453.33893.33893.2424
H91.85843.16772.24800.96273.99033.48303.48303.2424

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 111.179 C1 C2 H6 109.618
C1 C2 H7 109.618 C1 N3 H8 110.560
C1 O4 H9 105.763 C2 C1 N3 129.302
C2 C1 O4 110.815 N3 C1 O4 119.883
H5 C2 H6 109.431 H5 C2 H7 109.431
H6 C2 H7 107.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability