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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-209.221107
Energy at 298.15K-209.227485
HF Energy-209.221107
Nuclear repulsion energy122.179454
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/TZVP
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' 3804 3629 53.24      
2 A' 3572 3407 5.95      
3 A' 3176 3030 9.93      
4 A' 3075 2934 4.53      
5 A' 1767 1686 252.95      
6 A' 1488 1419 22.95      
7 A' 1453 1386 74.70      
8 A' 1392 1328 1.53      
9 A' 1270 1212 100.55      
10 A' 1104 1053 176.77      
11 A' 1021 974 39.74      
12 A' 886 845 1.72      
13 A' 555 530 43.14      
14 A' 429 410 2.05      
15 A" 3146 3001 4.42      
16 A" 1477 1409 10.78      
17 A" 1075 1026 8.26      
18 A" 851 812 27.23      
19 A" 638 608 137.49      
20 A" 530 506 23.91      
21 A" 125 119 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 16416.2 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 15661.1 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/TZVP
ABC
0.36602 0.31282 0.17409

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.917 -1.050 0.000
N3 0.280 1.362 0.000
O4 -1.292 -0.253 0.000
H5 1.958 -0.738 0.000
H6 0.725 -1.667 0.879
H7 0.725 -1.667 -0.879
H8 1.281 1.517 0.000
H9 -1.814 0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49521.26301.34802.14212.12882.12881.88761.8641
C21.49522.49532.34841.08741.09071.09072.59313.1701
N31.26302.49532.25432.68803.18583.18581.01302.2430
O41.34802.34842.25433.28622.61592.61593.12350.9658
H52.14211.08742.68803.28621.77661.77662.35393.9891
H62.12881.09073.18582.61591.77661.75793.34973.4900
H72.12881.09073.18582.61591.77661.75793.34973.4900
H81.88762.59311.01303.12352.35393.34973.34973.2402
H91.86413.17012.24300.96583.98913.49003.49003.2402

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 111.095 C1 C2 H6 109.832
C1 C2 H7 109.832 C1 N3 H8 111.593
C1 O4 H9 106.170 C2 C1 N3 129.370
C2 C1 O4 111.267 N3 C1 O4 119.363
H5 C2 H6 109.308 H5 C2 H7 109.308
H6 C2 H7 107.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C -0.365      
3 N -0.312      
4 O -0.285      
5 H 0.120      
6 H 0.146      
7 H 0.146      
8 H 0.181      
9 H 0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.214 -1.104 0.000 1.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.335 -1.414 0.000
y -1.414 -27.438 0.000
z 0.000 0.000 -25.031
Traceless
 xyz
x 5.900 -1.414 0.000
y -1.414 -4.755 0.000
z 0.000 0.000 -1.145
Polar
3z2-r2-2.289
x2-y27.103
xy-1.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.475 0.232 0.000
y 0.232 6.280 0.000
z 0.000 0.000 3.731


<r2> (average value of r2) Å2
<r2> 74.417
(<r2>)1/2 8.627