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

using model chemistry: CCSD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.836745
Energy at 298.15K-208.843152
HF Energy-208.039070
Nuclear repulsion energy121.987279
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 CCSD/6-311+G(3df,2p)
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' 3846 3628 60.64      
2 A' 3579 3376 6.75      
3 A' 3173 2992 10.32      
4 A' 3074 2899 5.39      
5 A' 1774 1674 233.50      
6 A' 1511 1425 18.90      
7 A' 1472 1388 66.67      
8 A' 1412 1332 2.82      
9 A' 1286 1213 87.88      
10 A' 1131 1066 178.23      
11 A' 1036 977 38.05      
12 A' 888 838 0.83      
13 A' 559 527 40.13      
14 A' 427 403 1.85      
15 A" 3146 2967 5.47      
16 A" 1499 1414 7.72      
17 A" 1084 1022 4.74      
18 A" 868 819 27.01      
19 A" 620 585 109.78      
20 A" 525 495 30.26      
21 A" 140 132 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 16525.7 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 15585.3 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 CCSD/6-311+G(3df,2p)
ABC
0.36419 0.31194 0.17342

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.906 -1.064 0.000
N3 0.300 1.363 0.000
O4 -1.298 -0.237 0.000
H5 1.950 -0.762 0.000
H6 0.704 -1.675 0.880
H7 0.704 -1.675 -0.880
H8 1.306 1.488 0.000
H9 -1.813 0.577 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50021.26671.34952.14482.12972.12971.88251.8664
C21.50022.50112.35371.08711.09011.09012.58333.1750
N31.26672.50112.26122.68963.18843.18841.01352.2542
O41.34952.35372.26123.28992.61742.61743.12340.9627
H52.14481.08712.68963.28991.77781.77782.34003.9933
H62.12971.09013.18842.61741.77781.75973.33803.4898
H72.12971.09013.18842.61741.77781.75973.33803.4898
H81.88252.58331.01353.12342.34003.33803.33803.2489
H91.86643.17502.25420.96273.99333.48983.48983.2489

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 110.976 C1 C2 H6 109.595
C1 C2 H7 109.595 C1 N3 H8 110.813
C1 O4 H9 106.443 C2 C1 N3 129.167
C2 C1 O4 111.258 N3 C1 O4 119.575
H5 C2 H6 109.486 H5 C2 H7 109.486
H6 C2 H7 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability