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

using model chemistry: QCISD(T)/aug-cc-pVDZ

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)/aug-cc-pVDZ
 hartrees
Energy at 0K-208.708888
Energy at 298.15K-208.715209
HF Energy-207.990807
Nuclear repulsion energy120.394533
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)/aug-cc-pVDZ
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' 3736 3653        
2 A' 3488 3411        
3 A' 3141 3072        
4 A' 3037 2969        
5 A' 1713 1675        
6 A' 1468 1436        
7 A' 1430 1399        
8 A' 1370 1340        
9 A' 1267 1239        
10 A' 1108 1083        
11 A' 1004 981        
12 A' 863 844        
13 A' 540 528        
14 A' 414 405        
15 A" 3115 3046        
16 A" 1455 1423        
17 A" 1049 1025        
18 A" 839 820        
19 A" 599 586        
20 A" 514 503        
21 A" 133 130        

Unscaled Zero Point Vibrational Energy (zpe) 16141.8 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 15783.4 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)/aug-cc-pVDZ
ABC
0.35462 0.30419 0.16901

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.955 -1.043 0.000
N3 0.249 1.395 0.000
O4 -1.305 -0.292 0.000
H5 2.000 -0.694 0.000
H6 0.773 -1.667 0.893
H7 0.773 -1.667 -0.893
H8 1.263 1.550 0.000
H9 -1.844 0.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51321.28781.37182.16332.15142.15141.89971.8843
C21.51322.53742.38141.10151.10451.10452.61093.2048
N31.28782.53742.29342.72513.23213.23211.02572.2695
O41.37182.38142.29343.32922.64702.64703.16030.9729
H52.16331.10152.72513.32921.80261.80262.36174.0305
H62.15141.10453.23212.64701.80261.78523.37463.5245
H72.15141.10453.23212.64701.80261.78523.37463.5245
H81.89972.61091.02573.16032.36173.37463.37463.2741
H91.88433.20482.26950.97294.03053.52453.52453.2741

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 110.672 C1 C2 H6 109.556
C1 C2 H7 109.556 C1 N3 H8 109.873
C1 O4 H9 105.694 C2 C1 N3 129.709
C2 C1 O4 111.173 N3 C1 O4 119.118
H5 C2 H6 109.591 H5 C2 H7 109.591
H6 C2 H7 107.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability