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

using model chemistry: HF/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 HF/cc-pVTZ
 hartrees
Energy at 0K-208.041961
Energy at 298.15K-208.048563
HF Energy-208.041961
Nuclear repulsion energy123.094920
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 HF/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' 4114 3744 96.09      
2 A' 3774 3435 9.12      
3 A' 3270 2976 20.43      
4 A' 3182 2896 8.46      
5 A' 1901 1730 332.61      
6 A' 1602 1458 26.55      
7 A' 1571 1429 78.30      
8 A' 1508 1373 11.20      
9 A' 1373 1250 95.79      
10 A' 1207 1098 199.47      
11 A' 1111 1011 47.41      
12 A' 930 847 0.58      
13 A' 598 544 42.38      
14 A' 458 417 1.77      
15 A" 3241 2950 12.70      
16 A" 1591 1448 6.98      
17 A" 1173 1067 9.75      
18 A" 930 846 35.27      
19 A" 667 607 105.51      
20 A" 557 507 55.58      
21 A" 152 139 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17454.7 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 15885.5 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 HF/cc-pVTZ
ABC
0.37101 0.31629 0.17623

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.136 0.000
C2 0.867 -1.086 0.000
N3 0.344 1.335 0.000
O4 -1.295 -0.188 0.000
H5 1.914 -0.821 0.000
H6 0.646 -1.686 0.874
H7 0.646 -1.686 -0.874
H8 1.337 1.439 0.000
H9 -1.798 0.611 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49861.24751.33462.13992.12122.12121.86671.8595
C21.49862.47722.34111.07941.08261.08262.56843.1597
N31.24752.47722.23722.66753.15913.15910.99822.2606
O41.33462.34112.23723.27032.60252.60253.09370.9445
H52.13991.07942.66753.27031.76561.76562.33303.9785
H62.12121.08263.15912.60251.76561.74763.31723.4659
H72.12121.08263.15912.60251.76561.74763.31723.4659
H81.86672.56840.99823.09372.33303.31723.31723.2418
H91.85953.15972.26060.94453.97853.46593.46593.2418

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 111.172 C1 C2 H6 109.473
C1 C2 H7 109.473 C1 N3 H8 111.977
C1 O4 H9 108.131 C2 C1 N3 128.633
C2 C1 O4 111.312 N3 C1 O4 120.055
H5 C2 H6 109.506 H5 C2 H7 109.506
H6 C2 H7 107.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.241      
2 C -0.268      
3 N -0.366      
4 O -0.324      
5 H 0.099      
6 H 0.112      
7 H 0.112      
8 H 0.161      
9 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.058 -1.279 0.000 1.660
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.380 -1.806 0.000
y -1.806 -27.299 0.000
z 0.000 0.000 -24.905
Traceless
 xyz
x 5.722 -1.806 0.000
y -1.806 -4.656 0.000
z 0.000 0.000 -1.065
Polar
3z2-r2-2.131
x2-y26.919
xy-1.806
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.109 0.210 0.000
y 0.210 5.837 0.000
z 0.000 0.000 3.631


<r2> (average value of r2) Å2
<r2> 73.657
(<r2>)1/2 8.582