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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B3PW91/daug-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 B3PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-245.976300
Energy at 298.15K 
HF Energy-245.976300
Nuclear repulsion energy162.131031
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/daug-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' 3300 3300 0.09 127.47 0.09 0.17
2 A' 3274 3274 0.15 51.52 0.66 0.80
3 A' 3254 3254 0.79 92.70 0.37 0.54
4 A' 1606 1606 10.35 3.52 0.02 0.03
5 A' 1481 1481 31.63 38.66 0.19 0.32
6 A' 1402 1402 5.49 4.84 0.05 0.09
7 A' 1245 1245 6.53 17.73 0.09 0.16
8 A' 1153 1153 19.11 2.05 0.44 0.61
9 A' 1128 1128 7.99 14.63 0.07 0.14
10 A' 1042 1042 6.72 2.71 0.63 0.77
11 A' 932 932 19.49 2.80 0.34 0.51
12 A' 917 917 0.54 1.67 0.58 0.73
13 A' 911 911 18.34 4.49 0.16 0.27
14 A" 911 911 7.19 0.19 0.75 0.86
15 A" 874 874 0.13 0.66 0.75 0.86
16 A" 774 774 62.95 0.08 0.75 0.86
17 A" 651 651 1.35 0.21 0.75 0.86
18 A" 610 610 14.09 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12731.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12731.6 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/daug-cc-pVDZ
ABC
0.32777 0.32133 0.16226

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.364 0.000
C2 0.614 -0.963 0.000
C3 0.000 1.126 0.000
N4 -0.697 -0.984 0.000
O5 -1.089 0.344 0.000
H6 2.160 0.693 0.000
H7 1.154 -1.906 0.000
H8 -0.181 2.195 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42301.36152.26962.21761.08302.26972.2510
C21.42302.17721.31182.14682.26531.08633.2565
C31.36152.17722.22231.34082.20323.24371.0845
N42.26961.31182.22231.38453.31332.06803.2210
O52.21762.14681.34081.38453.26803.17672.0622
H61.08302.26532.20323.31333.26802.78642.7815
H72.26971.08633.24372.06803.17672.78644.3125
H82.25103.25651.08453.22102.06222.78154.3125

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.112 C1 C2 H7 129.019
C1 C3 O5 110.293 C1 C3 H8 133.622
C2 C1 C3 102.844 C2 C1 H6 128.863
C2 N4 O5 105.508 C3 C1 H6 128.293
C3 O5 N4 109.243 N4 C2 H7 118.869
O5 C3 H8 116.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 3.496      
2 C -0.851      
3 C -0.509      
4 N 0.502      
5 O -0.240      
6 H -0.997      
7 H -0.760      
8 H -0.640      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.567 1.517 0.000 2.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.549 -2.698 0.000
y -2.698 -25.135 0.000
z 0.000 0.000 -30.234
Traceless
 xyz
x -0.865 -2.698 0.000
y -2.698 4.257 0.000
z 0.000 0.000 -3.392
Polar
3z2-r2-6.785
x2-y2-3.415
xy-2.698
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.134 -0.077 0.000
y -0.077 7.820 0.000
z 0.000 0.000 4.511


<r2> (average value of r2) Å2
<r2> 76.918
(<r2>)1/2 8.770