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

using model chemistry: CCSD(T)/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 CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-208.874208
Energy at 298.15K-208.880584
HF Energy-208.039376
Nuclear repulsion energy121.615203
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(T)/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' 3778 3683        
2 A' 3526 3437        
3 A' 3155 3076        
4 A' 3056 2979        
5 A' 1743 1699        
6 A' 1496 1458        
7 A' 1458 1421        
8 A' 1394 1358        
9 A' 1274 1242        
10 A' 1121 1092        
11 A' 1021 995        
12 A' 877 854        
13 A' 549 535        
14 A' 420 409        
15 A" 3128 3049        
16 A" 1482 1445        
17 A" 1071 1044        
18 A" 858 837        
19 A" 621 605        
20 A" 519 506        
21 A" 138 134        

Unscaled Zero Point Vibrational Energy (zpe) 16341.2 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 15929.4 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 CCSD(T)/cc-pVTZ
ABC
0.36169 0.31035 0.17237

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.921 -1.054 0.000
N3 0.282 1.373 0.000
O4 -1.300 -0.257 0.000
H5 1.962 -0.737 0.000
H6 0.728 -1.669 0.881
H7 0.728 -1.669 -0.881
H8 1.290 1.498 0.000
H9 -1.810 0.565 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50161.27311.35702.14552.13212.13211.87931.8612
C21.50162.50992.36041.08821.09101.09102.57863.1752
N31.27312.50992.27172.69673.19773.19771.01592.2427
O41.35702.36042.27173.29752.62362.62363.12890.9671
H52.14551.08822.69673.29751.77961.77962.33313.9903
H62.13211.09103.19772.62361.77961.76123.33433.4938
H72.13211.09103.19772.62361.77961.76123.33433.4938
H81.87932.57861.01593.12892.33313.33433.33433.2376
H91.86123.17522.24270.96713.99033.49383.49383.2376

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 110.876 C1 C2 H6 109.635
C1 C2 H7 109.635 C1 N3 H8 109.867
C1 O4 H9 105.176 C2 C1 N3 129.344
C2 C1 O4 111.221 N3 C1 O4 119.435
H5 C2 H6 109.497 H5 C2 H7 109.497
H6 C2 H7 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability