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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-209.178678
Energy at 298.15K-209.185046
HF Energy-209.178678
Nuclear repulsion energy121.769716
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3799 3641 55.04      
2 A' 3565 3417 6.65      
3 A' 3187 3054 9.80      
4 A' 3074 2946 5.36      
5 A' 1764 1690 254.81      
6 A' 1467 1406 33.69      
7 A' 1441 1381 64.37      
8 A' 1370 1313 0.10      
9 A' 1270 1217 92.50      
10 A' 1115 1069 174.07      
11 A' 1010 967 30.72      
12 A' 889 852 1.12      
13 A' 551 528 39.66      
14 A' 423 406 2.03      
15 A" 3152 3021 4.60      
16 A" 1450 1390 8.81      
17 A" 1056 1012 6.17      
18 A" 847 812 26.04      
19 A" 633 607 116.89      
20 A" 535 512 18.89      
21 A" 124 119 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 16361.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 15678.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.36365 0.31094 0.17304

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 0.924 -1.049 0.000
N3 0.274 1.370 0.000
O4 -1.294 -0.260 0.000
H5 1.968 -0.725 0.000
H6 0.733 -1.670 0.884
H7 0.733 -1.670 -0.884
H8 1.279 1.522 0.000
H9 -1.819 0.552 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49681.27121.35172.14562.13392.13391.89141.8673
C21.49682.50482.35451.09311.09701.09702.59503.1759
N31.27122.50482.26222.69503.19903.19901.01702.2463
O41.35172.35452.26223.29572.62292.62293.13060.9672
H52.14561.09312.69503.29571.78831.78832.35063.9967
H62.13391.09703.19902.62291.78831.76783.35653.4974
H72.13391.09703.19902.62291.78831.76783.35653.4974
H81.89142.59501.01703.13062.35063.35653.35653.2460
H91.86733.17592.24630.96723.99673.49743.49743.2460

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 110.922 C1 C2 H6 109.757
C1 C2 H7 109.757 C1 N3 H8 111.014
C1 O4 H9 106.084 C2 C1 N3 129.444
C2 C1 O4 111.395 N3 C1 O4 119.161
H5 C2 H6 109.483 H5 C2 H7 109.483
H6 C2 H7 107.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.427      
2 C 0.494      
3 N -0.384      
4 O -0.522      
5 H -0.149      
6 H -0.012      
7 H -0.012      
8 H 0.007      
9 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.124 -1.207 0.000 1.649
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.575 -1.416 0.000
y -1.416 -27.520 0.000
z 0.000 0.000 -25.228
Traceless
 xyz
x 5.798 -1.416 0.000
y -1.416 -4.618 0.000
z 0.000 0.000 -1.181
Polar
3z2-r2-2.361
x2-y26.944
xy-1.416
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.175 0.093 0.000
y 0.093 6.930 0.000
z 0.000 0.000 4.446


<r2> (average value of r2) Å2
<r2> 74.879
(<r2>)1/2 8.653