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

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-209.044422
Energy at 298.15K-209.050792
HF Energy-208.796696
Nuclear repulsion energy121.844500
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 B2PLYP=FULL/6-31G(2df,p)
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' 3779 3779 49.09      
2 A' 3558 3558 2.57      
3 A' 3189 3189 10.19      
4 A' 3087 3087 4.86      
5 A' 1753 1753 197.93      
6 A' 1505 1505 24.15      
7 A' 1462 1462 62.44      
8 A' 1405 1405 1.45      
9 A' 1273 1273 93.18      
10 A' 1117 1117 170.01      
11 A' 1027 1027 35.24      
12 A' 881 881 1.30      
13 A' 552 552 39.16      
14 A' 423 423 1.40      
15 A" 3159 3159 5.20      
16 A" 1494 1494 6.56      
17 A" 1081 1081 7.98      
18 A" 857 857 21.68      
19 A" 642 642 120.26      
20 A" 529 529 17.79      
21 A" 127 127 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 16449.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16449.7 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 B2PLYP=FULL/6-31G(2df,p)
ABC
0.36341 0.31138 0.17305

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.913 -1.058 0.000
N3 0.287 1.370 0.000
O4 -1.295 -0.252 0.000
H5 1.957 -0.752 0.000
H6 0.717 -1.674 0.879
H7 0.717 -1.674 -0.879
H8 1.292 1.510 0.000
H9 -1.808 0.568 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50061.26961.35092.14782.13382.13381.88791.8595
C21.50062.50722.35021.08801.09121.09122.59543.1694
N31.26962.50722.26532.70043.19763.19761.01502.2432
O41.35092.35022.26533.29002.61592.61593.12980.9669
H52.14781.08802.70043.29001.77781.77782.35743.9895
H62.13381.09123.19762.61591.77781.75783.35273.4891
H72.13381.09123.19762.61591.77781.75783.35273.4891
H81.88792.59541.01503.12982.35743.35273.35273.2401
H91.85953.16942.24320.96693.98953.48913.48913.2401

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 111.138 C1 C2 H6 109.824
C1 C2 H7 109.824 C1 N3 H8 110.968
C1 O4 H9 105.499 C2 C1 N3 129.480
C2 C1 O4 110.906 N3 C1 O4 119.614
H5 C2 H6 109.334 H5 C2 H7 109.334
H6 C2 H7 107.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability