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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-207.955773
Energy at 298.15K-207.961898
HF Energy-207.955773
Nuclear repulsion energy119.206909
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 BLYP/3-21G*
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' 3276 3255 0.52      
2 A' 3234 3213 6.41      
3 A' 3076 3056 13.51      
4 A' 2991 2972 6.30      
5 A' 1654 1643 109.76      
6 A' 1506 1496 35.76      
7 A' 1410 1401 26.29      
8 A' 1381 1372 24.93      
9 A' 1200 1192 87.92      
10 A' 1054 1047 103.98      
11 A' 960 953 119.19      
12 A' 803 798 1.50      
13 A' 515 512 35.34      
14 A' 386 384 2.87      
15 A" 3042 3022 9.15      
16 A" 1504 1494 8.04      
17 A" 1074 1067 9.46      
18 A" 812 807 23.78      
19 A" 642 638 148.18      
20 A" 500 497 14.50      
21 A" 79 79 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 15549.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 15448.4 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 BLYP/3-21G*
ABC
0.34786 0.29905 0.16585

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.141 0.000
C2 1.074 -0.939 0.000
N3 0.083 1.424 0.000
O4 -1.269 -0.454 0.000
H5 2.078 -0.493 0.000
H6 0.954 -1.579 0.889
H7 0.954 -1.579 -0.889
H8 1.062 1.779 0.000
H9 -1.921 0.322 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.52371.28561.40182.17312.15902.15901.95181.9296
C21.52372.56312.39311.09871.10221.10222.71803.2501
N31.28562.56312.31422.76753.25133.25131.04172.2872
O41.40182.39312.31423.34772.64572.64573.22811.0135
H52.17311.09872.76753.34771.79841.79842.48884.0818
H62.15901.10223.25132.64571.79841.77863.47533.5598
H72.15901.10223.25132.64571.79841.77863.47533.5598
H81.95182.71801.04173.22812.48883.47533.47533.3202
H91.92963.25012.28721.01354.08183.55983.55983.3202

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 110.882 C1 C2 H6 109.566
C1 C2 H7 109.566 C1 N3 H8 113.582
C1 O4 H9 104.912 C2 C1 N3 131.476
C2 C1 O4 109.700 N3 C1 O4 118.824
H5 C2 H6 109.594 H5 C2 H7 109.594
H6 C2 H7 107.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.463      
2 C -0.565      
3 N -0.580      
4 O -0.504      
5 H 0.183      
6 H 0.215      
7 H 0.215      
8 H 0.235      
9 H 0.337      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.261 -0.467 0.000 1.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.019 -0.298 0.000
y -0.298 -26.608 0.000
z 0.000 0.000 -24.567
Traceless
 xyz
x 5.569 -0.298 0.000
y -0.298 -4.316 0.000
z 0.000 0.000 -1.254
Polar
3z2-r2-2.507
x2-y26.590
xy-0.298
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.083 0.214 0.000
y 0.214 5.433 0.000
z 0.000 0.000 2.421


<r2> (average value of r2) Å2
<r2> 76.982
(<r2>)1/2 8.774