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

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-209.189390
Energy at 298.15K-209.195755
HF Energy-209.189390
Nuclear repulsion energy122.412523
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 B1B95/aug-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' 3791 3633 56.17      
2 A' 3568 3420 7.67      
3 A' 3175 3044 9.53      
4 A' 3074 2946 4.76      
5 A' 1764 1690 259.10      
6 A' 1483 1421 23.51      
7 A' 1447 1387 77.13      
8 A' 1384 1327 1.42      
9 A' 1256 1204 92.36      
10 A' 1106 1060 173.67      
11 A' 1016 974 37.65      
12 A' 886 849 1.59      
13 A' 547 524 41.36      
14 A' 418 401 1.67      
15 A" 3141 3011 4.26      
16 A" 1471 1410 8.64      
17 A" 1067 1023 6.54      
18 A" 849 814 25.38      
19 A" 632 606 109.13      
20 A" 527 505 26.01      
21 A" 129 124 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 16364.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 15685.2 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 B1B95/aug-cc-pVTZ
ABC
0.36710 0.31430 0.17476

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.914 -1.048 0.000
N3 0.282 1.359 0.000
O4 -1.291 -0.251 0.000
H5 1.952 -0.735 0.000
H6 0.722 -1.664 0.876
H7 0.722 -1.664 -0.876
H8 1.282 1.509 0.000
H9 -1.812 0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49111.26161.34602.13492.12252.12251.88351.8625
C21.49112.48912.34501.08411.08781.08782.58403.1655
N31.26162.48912.25122.67833.17793.17791.01122.2414
O41.34602.34502.25123.27902.61072.61073.11770.9641
H52.13491.08412.67833.27901.77311.77312.34193.9806
H62.12251.08783.17792.61071.77311.75243.33913.4835
H72.12251.08783.17792.61071.77311.75243.33913.4835
H81.88352.58401.01123.11772.34193.33913.33913.2365
H91.86253.16552.24140.96413.98063.48353.48353.2365

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 111.006 C1 C2 H6 109.783
C1 C2 H7 109.783 C1 N3 H8 111.465
C1 O4 H9 106.285 C2 C1 N3 129.255
C2 C1 O4 111.393 N3 C1 O4 119.352
H5 C2 H6 109.442 H5 C2 H7 109.442
H6 C2 H7 107.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.449      
2 C -0.772      
3 N -0.600      
4 O -0.343      
5 H 0.322      
6 H 0.312      
7 H 0.312      
8 H 0.111      
9 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.100 -1.167 0.000 1.603
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.545 -1.432 0.000
y -1.432 -27.336 0.000
z 0.000 0.000 -25.092
Traceless
 xyz
x 5.669 -1.432 0.000
y -1.432 -4.517 0.000
z 0.000 0.000 -1.152
Polar
3z2-r2-2.304
x2-y26.791
xy-1.432
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.178 0.091 0.000
y 0.091 6.881 0.000
z 0.000 0.000 4.434


<r2> (average value of r2) Å2
<r2> 74.214
(<r2>)1/2 8.615