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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-208.291002
Energy at 298.15K-208.297216
HF Energy-207.887233
Nuclear repulsion energy118.376473
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 MP2/LANL2DZ
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' 3617 3484 36.78      
2 A' 3472 3344 8.26      
3 A' 3160 3043 19.54      
4 A' 3043 2931 11.74      
5 A' 1651 1590 127.29      
6 A' 1528 1472 39.00      
7 A' 1468 1414 30.41      
8 A' 1400 1348 20.15      
9 A' 1226 1180 88.13      
10 A' 1082 1042 91.28      
11 A' 1006 969 184.63      
12 A' 832 801 5.58      
13 A' 514 495 47.52      
14 A' 406 391 4.19      
15 A" 3149 3032 13.25      
16 A" 1515 1459 11.71      
17 A" 1108 1067 7.32      
18 A" 862 831 49.61      
19 A" 616 593 212.83      
20 A" 500 481 15.24      
21 A" 105 101 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 16128.7 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 15533.6 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 MP2/LANL2DZ
ABC
0.34129 0.29457 0.16302

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 1.108 -0.916 0.000
N3 0.049 1.441 0.000
O4 -1.269 -0.486 0.000
H5 2.098 -0.433 0.000
H6 1.013 -1.556 0.893
H7 1.013 -1.556 -0.893
H8 1.005 1.829 0.000
H9 -1.971 0.210 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.52621.30931.41182.17352.16222.16221.97191.9729
C21.52622.58462.41621.10161.10251.10252.74743.2795
N31.30932.58462.33472.77733.27253.27251.03202.3659
O41.41182.41622.33473.36792.67372.67373.24530.9888
H52.17351.10162.77733.36791.79911.79912.51264.1204
H62.16221.10253.27252.67371.79911.78523.50113.5807
H72.16221.10253.27252.67371.79911.78523.50113.5807
H81.97192.74741.03203.24532.51263.50113.50113.3885
H91.97293.27952.36590.98884.12043.58073.58073.3885

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 110.566 C1 C2 H6 109.624
C1 C2 H7 109.624 C1 N3 H8 114.234
C1 O4 H9 109.270 C2 C1 N3 131.273
C2 C1 O4 110.590 N3 C1 O4 118.136
H5 C2 H6 109.430 H5 C2 H7 109.430
H6 C2 H7 108.126
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability