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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-209.200180
Energy at 298.15K-209.206546
HF Energy-209.200180
Nuclear repulsion energy122.048346
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 B3PW91/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' 3769 3624 48.67      
2 A' 3542 3406 4.24      
3 A' 3153 3032 10.36      
4 A' 3053 2936 5.25      
5 A' 1751 1684 234.71      
6 A' 1478 1421 26.18      
7 A' 1443 1387 69.19      
8 A' 1382 1329 0.36      
9 A' 1259 1211 94.68      
10 A' 1103 1060 176.70      
11 A' 1013 974 37.81      
12 A' 878 845 1.92      
13 A' 550 528 40.31      
14 A' 423 407 1.77      
15 A" 3118 2998 5.14      
16 A" 1466 1409 8.68      
17 A" 1065 1024 7.83      
18 A" 843 810 23.57      
19 A" 634 610 112.89      
20 A" 526 506 24.01      
21 A" 129 124 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 16288.0 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15662.5 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 B3PW91/cc-pVTZ
ABC
0.36496 0.31237 0.17371

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.914 -1.054 0.000
N3 0.286 1.363 0.000
O4 -1.296 -0.249 0.000
H5 1.957 -0.745 0.000
H6 0.720 -1.672 0.879
H7 0.720 -1.672 -0.879
H8 1.290 1.508 0.000
H9 -1.810 0.569 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49621.26511.35002.14352.13062.13061.88701.8628
C21.49622.49712.35151.08761.09131.09132.58923.1713
N31.26512.49712.25842.68933.18903.18901.01422.2418
O41.35002.35152.25843.28972.61912.61913.12600.9669
H52.14351.08762.68933.28971.77761.77762.34913.9896
H62.13061.09133.18902.61911.77761.75703.34763.4927
H72.13061.09133.18902.61911.77761.75703.34763.4927
H81.88702.58921.01423.12602.34913.34763.34763.2393
H91.86283.17132.24180.96693.98963.49273.49273.2393

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 111.129 C1 C2 H6 109.868
C1 C2 H7 109.868 C1 N3 H8 111.291
C1 O4 H9 105.837 C2 C1 N3 129.273
C2 C1 O4 111.315 N3 C1 O4 119.413
H5 C2 H6 109.336 H5 C2 H7 109.336
H6 C2 H7 107.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.174      
2 C -0.251      
3 N -0.313      
4 O -0.258      
5 H 0.090      
6 H 0.107      
7 H 0.107      
8 H 0.134      
9 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.042 -1.101 0.000 1.516
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.265 -1.384 0.000
y -1.384 -26.970 0.000
z 0.000 0.000 -24.819
Traceless
 xyz
x 5.630 -1.384 0.000
y -1.384 -4.428 0.000
z 0.000 0.000 -1.202
Polar
3z2-r2-2.404
x2-y26.705
xy-1.384
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.705 0.107 0.000
y 0.107 6.297 0.000
z 0.000 0.000 3.801


<r2> (average value of r2) Å2
<r2> 74.374
(<r2>)1/2 8.624