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

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-209.204539
Energy at 298.15K-209.210895
HF Energy-209.204539
Nuclear repulsion energy122.027602
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/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' 3764 3632 51.79      
2 A' 3544 3420 6.89      
3 A' 3153 3043 9.21      
4 A' 3053 2946 4.99      
5 A' 1743 1682 252.35      
6 A' 1476 1425 24.24      
7 A' 1437 1387 70.69      
8 A' 1380 1332 1.49      
9 A' 1254 1210 91.19      
10 A' 1099 1061 171.36      
11 A' 1012 977 42.21      
12 A' 878 847 1.64      
13 A' 549 530 39.42      
14 A' 423 408 1.80      
15 A" 3118 3009 4.19      
16 A" 1465 1414 8.91      
17 A" 1064 1027 6.30      
18 A" 841 811 25.09      
19 A" 629 607 107.34      
20 A" 526 508 26.78      
21 A" 127 122 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 16265.9 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 15698.3 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/aug-cc-pVTZ
ABC
0.36485 0.31225 0.17365

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.918 -1.050 0.000
N3 0.281 1.364 0.000
O4 -1.295 -0.254 0.000
H5 1.959 -0.736 0.000
H6 0.727 -1.669 0.879
H7 0.727 -1.669 -0.879
H8 1.283 1.518 0.000
H9 -1.817 0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49571.26541.35042.14232.13012.13011.89001.8674
C21.49572.49712.35221.08741.09121.09122.59403.1745
N31.26542.49712.25822.68823.18893.18891.01392.2470
O41.35042.35222.25823.28972.62002.62003.12790.9669
H52.14231.08742.68823.28971.77751.77752.35303.9928
H62.13011.09123.18892.62001.77751.75713.35193.4951
H72.13011.09123.18892.62001.77751.75713.35193.4951
H81.89002.59401.01393.12792.35303.35193.35193.2450
H91.86743.17452.24700.96693.99283.49513.49513.2450

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 111.077 C1 C2 H6 109.870
C1 C2 H7 109.870 C1 N3 H8 111.559
C1 O4 H9 106.199 C2 C1 N3 129.287
C2 C1 O4 111.374 N3 C1 O4 119.339
H5 C2 H6 109.350 H5 C2 H7 109.350
H6 C2 H7 107.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.469      
2 C -0.476      
3 N -0.587      
4 O -0.341      
5 H 0.231      
6 H 0.221      
7 H 0.221      
8 H 0.077      
9 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.093 -1.177 0.000 1.607
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.513 -1.414 0.000
y -1.414 -27.365 0.000
z 0.000 0.000 -25.113
Traceless
 xyz
x 5.726 -1.414 0.000
y -1.414 -4.552 0.000
z 0.000 0.000 -1.174
Polar
3z2-r2-2.348
x2-y26.852
xy-1.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.242 0.086 0.000
y 0.086 6.944 0.000
z 0.000 0.000 4.469


<r2> (average value of r2) Å2
<r2> 74.599
(<r2>)1/2 8.637