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

using model chemistry: QCISD(T)/daug-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)/daug-cc-pVDZ
 hartrees
Energy at 0K-208.712351
Energy at 298.15K-208.718655
HF Energy-207.991772
Nuclear repulsion energy120.404984
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)/daug-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' 3730 3730        
2 A' 3486 3486        
3 A' 3138 3138        
4 A' 3032 3032        
5 A' 1712 1712        
6 A' 1469 1469        
7 A' 1429 1429        
8 A' 1369 1369        
9 A' 1265 1265        
10 A' 1108 1108        
11 A' 1003 1003        
12 A' 862 862        
13 A' 539 539        
14 A' 413 413        
15 A" 3111 3111        
16 A" 1454 1454        
17 A" 1046 1046        
18 A" 839 839        
19 A" 597 597        
20 A" 507 507        
21 A" 126 126        

Unscaled Zero Point Vibrational Energy (zpe) 16117.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16117.9 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 QCISD(T)/daug-cc-pVDZ
ABC
0.35462 0.30424 0.16902

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.949 -1.047 0.000
N3 0.257 1.393 0.000
O4 -1.307 -0.285 0.000
H5 1.995 -0.704 0.000
H6 0.766 -1.671 0.892
H7 0.766 -1.671 -0.892
H8 1.272 1.542 0.000
H9 -1.841 0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51351.28791.37132.16312.15182.15181.89931.8837
C21.51352.53692.38171.10101.10411.10412.60923.2049
N31.28792.53692.29352.72383.23173.23171.02562.2697
O41.37132.38172.29353.32872.64822.64823.15990.9728
H52.16311.10102.72383.32871.80121.80122.35934.0298
H62.15181.10413.23172.64821.80121.78473.37263.5255
H72.15181.10413.23172.64821.80121.78473.37263.5255
H81.89932.60921.02563.15992.35933.37263.37263.2741
H91.88373.20492.26970.97284.02983.52553.52553.2741

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 110.671 C1 C2 H6 109.593
C1 C2 H7 109.593 C1 N3 H8 109.848
C1 O4 H9 105.686 C2 C1 N3 129.629
C2 C1 O4 111.206 N3 C1 O4 119.165
H5 C2 H6 109.544 H5 C2 H7 109.544
H6 C2 H7 107.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability