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

using model chemistry: QCISD(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 QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-208.875045
Energy at 298.15K-208.881418
HF Energy-208.039301
Nuclear repulsion energy121.585568
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)/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' 3774 3580        
2 A' 3525 3344        
3 A' 3154 2992        
4 A' 3055 2898        
5 A' 1740 1651        
6 A' 1495 1418        
7 A' 1457 1382        
8 A' 1393 1321        
9 A' 1273 1207        
10 A' 1119 1062        
11 A' 1020 967        
12 A' 875 830        
13 A' 548 520        
14 A' 419 398        
15 A" 3127 2967        
16 A" 1482 1406        
17 A" 1070 1015        
18 A" 857 813        
19 A" 621 589        
20 A" 519 492        
21 A" 138 131        

Unscaled Zero Point Vibrational Energy (zpe) 16330.0 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 15490.7 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)/cc-pVTZ
ABC
0.36152 0.31019 0.17228

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.923 -1.053 0.000
N3 0.280 1.374 0.000
O4 -1.300 -0.259 0.000
H5 1.963 -0.734 0.000
H6 0.731 -1.668 0.881
H7 0.731 -1.668 -0.881
H8 1.288 1.500 0.000
H9 -1.811 0.563 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50181.27361.35762.14572.13242.13241.87981.8612
C21.50182.51072.36091.08831.09111.09112.57963.1755
N31.27362.51072.27232.69753.19853.19851.01592.2424
O41.35762.36092.27233.29812.62402.62403.12970.9673
H52.14571.08832.69753.29811.77971.77972.33433.9906
H62.13241.09113.19852.62401.77971.76143.33543.4943
H72.13241.09113.19852.62401.77971.76143.33543.4943
H81.87982.57961.01593.12972.33433.33543.33543.2374
H91.86123.17552.24240.96733.99063.49433.49433.2374

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 110.871 C1 C2 H6 109.640
C1 C2 H7 109.640 C1 N3 H8 109.867
C1 O4 H9 105.128 C2 C1 N3 129.369
C2 C1 O4 111.213 N3 C1 O4 119.418
H5 C2 H6 109.495 H5 C2 H7 109.495
H6 C2 H7 107.639
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability