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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-208.563677
Energy at 298.15K-208.570060
HF Energy-207.950430
Nuclear repulsion energy121.368553
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=FULL/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' 3691 3478 56.67      
2 A' 3546 3341 2.56      
3 A' 3230 3044 8.95      
4 A' 3123 2943 3.71      
5 A' 1775 1672 168.96      
6 A' 1550 1460 22.85      
7 A' 1494 1407 70.49      
8 A' 1437 1354 4.44      
9 A' 1290 1216 97.09      
10 A' 1137 1071 179.17      
11 A' 1049 988 40.32      
12 A' 896 844 0.73      
13 A' 555 523 42.57      
14 A' 430 405 2.36      
15 A" 3211 3025 3.78      
16 A" 1535 1447 8.35      
17 A" 1102 1038 8.34      
18 A" 871 821 27.13      
19 A" 645 608 163.31      
20 A" 527 496 13.50      
21 A" 129 122 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 16610.2 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 15650.1 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=FULL/6-31G*
ABC
0.36110 0.30925 0.17191

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.963 -1.018 0.000
N3 0.218 1.390 0.000
O4 -1.284 -0.318 0.000
H5 1.994 -0.663 0.000
H6 0.794 -1.640 0.882
H7 0.794 -1.640 -0.882
H8 1.220 1.582 0.000
H9 -1.836 0.491 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49901.27771.36002.14642.13162.13161.89571.8709
C21.49902.52022.35371.09051.09251.09252.61193.1798
N31.27772.52022.27402.71443.20763.20761.02052.2419
O41.36002.35372.27403.29632.61592.61593.14300.9791
H52.14641.09052.71443.29631.78161.78162.37394.0002
H62.13161.09253.20762.61591.78161.76363.36713.4977
H72.13161.09253.20762.61591.78161.76363.36713.4977
H81.89572.61191.02053.14302.37393.36713.36713.2449
H91.87093.17982.24190.97914.00023.49773.49773.2449

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 110.985 C1 C2 H6 109.679
C1 C2 H7 109.679 C1 N3 H8 110.650
C1 O4 H9 105.058 C2 C1 N3 130.191
C2 C1 O4 110.729 N3 C1 O4 119.080
H5 C2 H6 109.399 H5 C2 H7 109.399
H6 C2 H7 107.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability