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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-207.933998
Energy at 298.15K-207.940311
HF Energy-207.933998
Nuclear repulsion energy121.010174
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 B1B95/3-21G
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' 3539 3386 16.78      
2 A' 3447 3297 1.70      
3 A' 3196 3058 9.21      
4 A' 3097 2963 2.75      
5 A' 1769 1692 149.06      
6 A' 1541 1474 34.23      
7 A' 1461 1398 64.28      
8 A' 1433 1371 5.12      
9 A' 1242 1188 109.93      
10 A' 1083 1036 151.72      
11 A' 1016 972 102.07      
12 A' 860 823 1.25      
13 A' 535 511 45.31      
14 A' 397 380 3.19      
15 A" 3164 3027 3.80      
16 A" 1537 1471 10.53      
17 A" 1114 1066 17.28      
18 A" 860 823 34.67      
19 A" 660 631 168.39      
20 A" 526 504 24.86      
21 A" 113 108 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 16294.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15588.7 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 B1B95/3-21G
ABC
0.35786 0.30869 0.17099

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.138 0.000
C2 1.041 -0.943 0.000
N3 0.112 1.399 0.000
O4 -1.258 -0.421 0.000
H5 2.045 -0.522 0.000
H6 0.907 -1.575 0.881
H7 0.907 -1.575 -0.881
H8 1.076 1.746 0.000
H9 -1.902 0.334 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50081.26651.37622.14912.12852.12851.93571.9121
C21.50082.52012.35721.08901.09211.09212.69013.2082
N31.26652.52012.27802.72593.20193.20191.02522.2783
O41.37622.35722.27803.30452.60612.60613.18530.9925
H52.14911.08902.72593.30451.78321.78322.46714.0391
H62.12851.09213.20192.60611.78321.76213.44023.5082
H72.12851.09213.20192.60611.78321.76213.44023.5082
H81.93572.69011.02523.18532.46713.44023.44023.2965
H91.91213.20822.27830.99254.03913.50823.50823.2965

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 111.174 C1 C2 H6 109.338
C1 C2 H7 109.338 C1 N3 H8 114.866
C1 O4 H9 106.525 C2 C1 N3 131.018
C2 C1 O4 109.959 N3 C1 O4 119.023
H5 C2 H6 109.681 H5 C2 H7 109.681
H6 C2 H7 107.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.511      
2 C -0.653      
3 N -0.641      
4 O -0.576      
5 H 0.215      
6 H 0.251      
7 H 0.251      
8 H 0.268      
9 H 0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.397 -0.484 0.000 1.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.694 -0.446 0.000
y -0.446 -26.543 0.000
z 0.000 0.000 -24.452
Traceless
 xyz
x 5.803 -0.446 0.000
y -0.446 -4.470 0.000
z 0.000 0.000 -1.333
Polar
3z2-r2-2.666
x2-y26.849
xy-0.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.672 0.244 0.000
y 0.244 5.194 0.000
z 0.000 0.000 2.365


<r2> (average value of r2) Å2
<r2> 75.087
(<r2>)1/2 8.665