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

using model chemistry: B2PLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-208.968955
Energy at 298.15K-208.975314
HF Energy-208.771123
Nuclear repulsion energy121.396932
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/6-31G*
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' 3700 3512 44.17      
2 A' 3529 3350 0.81      
3 A' 3195 3033 12.68      
4 A' 3098 2941 5.50      
5 A' 1764 1674 203.47      
6 A' 1535 1457 23.97      
7 A' 1481 1406 62.77      
8 A' 1428 1356 5.34      
9 A' 1291 1225 93.20      
10 A' 1131 1074 174.89      
11 A' 1039 986 42.10      
12 A' 884 839 0.99      
13 A' 553 525 41.02      
14 A' 425 404 1.90      
15 A" 3169 3008 6.79      
16 A" 1522 1445 7.49      
17 A" 1096 1040 8.81      
18 A" 860 816 24.10      
19 A" 645 612 153.97      
20 A" 524 497 14.51      
21 A" 126 119 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 16497.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 15659.6 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/6-31G*
ABC
0.36174 0.30856 0.17183

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.944 -1.038 0.000
N3 0.247 1.383 0.000
O4 -1.291 -0.288 0.000
H5 1.982 -0.704 0.000
H6 0.765 -1.659 0.881
H7 0.765 -1.659 -0.881
H8 1.251 1.555 0.000
H9 -1.828 0.527 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50361.27481.35792.15122.13792.13791.89461.8698
C21.50362.51912.35831.09031.09291.09292.61083.1833
N31.27482.51912.27082.71373.20913.20911.01882.2441
O41.35792.35832.27083.29992.62442.62443.13990.9754
H52.15121.09032.71373.29991.78051.78052.37394.0037
H62.13791.09293.20912.62441.78051.76233.36783.5042
H72.13791.09293.20912.62441.78051.76233.36783.5042
H81.89462.61081.01883.13992.37393.36783.36783.2457
H91.86983.18332.24410.97544.00373.50423.50423.2457

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 111.061 C1 C2 H6 109.841
C1 C2 H7 109.841 C1 N3 H8 110.899
C1 O4 H9 105.341 C2 C1 N3 129.919
C2 C1 O4 110.902 N3 C1 O4 119.179
H5 C2 H6 109.281 H5 C2 H7 109.281
H6 C2 H7 107.460
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.471      
2 C -0.518      
3 N -0.622      
4 O -0.598      
5 H 0.165      
6 H 0.190      
7 H 0.190      
8 H 0.298      
9 H 0.423      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.159 -0.932 0.000 1.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.190 -1.222 0.000
y -1.222 -27.037 0.000
z 0.000 0.000 -24.715
Traceless
 xyz
x 5.686 -1.222 0.000
y -1.222 -4.584 0.000
z 0.000 0.000 -1.102
Polar
3z2-r2-2.204
x2-y26.847
xy-1.222
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.000 0.271 0.000
y 0.271 5.564 0.000
z 0.000 0.000 2.876


<r2> (average value of r2) Å2
<r2> 74.966
(<r2>)1/2 8.658