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

using model chemistry: MP4/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-208.896825
Energy at 298.15K-208.903173
HF Energy-208.042407
Nuclear repulsion energy121.352340
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 MP4/aug-cc-pVTZ
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' 3732 3632        
2 A' 3508 3414        
3 A' 3152 3068        
4 A' 3050 2969        
5 A' 1705 1659        
6 A' 1494 1454        
7 A' 1439 1400        
8 A' 1387 1350        
9 A' 1251 1217        
10 A' 1104 1075        
11 A' 1016 989        
12 A' 868 845        
13 A' 542 528        
14 A' 417 405        
15 A" 3126 3043        
16 A" 1485 1445        
17 A" 1067 1038        
18 A" 845 822        
19 A" 612 595        
20 A" 518 504        
21 A" 137 133        

Unscaled Zero Point Vibrational Energy (zpe) 16226.8 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 15791.9 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 MP4/aug-cc-pVTZ
ABC
0.36005 0.30926 0.17167

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.947 -1.034 0.000
N3 0.248 1.384 0.000
O4 -1.294 -0.291 0.000
H5 1.981 -0.692 0.000
H6 0.767 -1.653 0.882
H7 0.767 -1.653 -0.882
H8 1.253 1.544 0.000
H9 -1.831 0.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50121.27771.36132.14492.13212.13211.88901.8711
C21.50122.51722.36171.08911.09201.09202.59633.1820
N31.27772.51722.27672.70423.20453.20451.01782.2517
O41.36132.36172.27673.30002.62342.62343.13950.9702
H52.14491.08912.70423.30001.78171.78172.35153.9990
H62.13211.09203.20452.62341.78171.76323.35163.4981
H72.13211.09203.20452.62341.78171.76323.35163.4981
H81.88902.59631.01783.13952.35153.35163.35163.2499
H91.87113.18202.25170.97023.99903.49813.49813.2499

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 110.799 C1 C2 H6 109.601
C1 C2 H7 109.601 C1 N3 H8 110.236
C1 O4 H9 105.519 C2 C1 N3 129.695
C2 C1 O4 111.094 N3 C1 O4 119.211
H5 C2 H6 109.551 H5 C2 H7 109.551
H6 C2 H7 107.679
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability