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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-245.893889
Energy at 298.15K 
HF Energy-245.893889
Nuclear repulsion energy156.975614
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 BLYP/6-31G
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' 3246 3221 0.05 138.70 0.11 0.19
2 A' 3222 3197 0.34 55.23 0.73 0.84
3 A' 3199 3175 1.62 92.51 0.43 0.60
4 A' 1522 1511 6.82 4.13 0.11 0.20
5 A' 1390 1380 24.86 23.44 0.49 0.66
6 A' 1337 1327 2.78 6.05 0.16 0.28
7 A' 1194 1185 6.00 9.70 0.26 0.41
8 A' 1118 1109 15.16 9.71 0.60 0.75
9 A' 1058 1050 1.14 8.64 0.17 0.29
10 A' 996 989 16.56 4.00 0.43 0.60
11 A' 899 893 3.80 5.11 0.66 0.80
12 A' 865 859 1.55 1.16 0.54 0.70
13 A' 645 640 13.28 8.74 0.17 0.29
14 A" 885 878 5.39 2.75 0.75 0.86
15 A" 844 838 1.38 0.72 0.75 0.86
16 A" 764 758 61.52 1.53 0.75 0.86
17 A" 604 600 8.50 0.06 0.75 0.86
18 A" 561 557 5.85 1.43 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12174.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 12081.7 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 BLYP/6-31G
ABC
0.31141 0.29707 0.15203

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.134 0.386 0.000
C2 0.651 -0.969 0.000
C3 0.000 1.164 0.000
N4 -0.686 -1.073 0.000
O5 -1.142 0.370 0.000
H6 2.167 0.714 0.000
H7 1.237 -1.885 0.000
H8 -0.173 2.235 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43801.37542.33282.27601.08452.27302.2644
C21.43802.23021.34162.23792.26521.08763.3082
C31.37542.23022.34041.39102.21373.29061.0848
N42.33281.34162.34041.51363.36732.08793.3481
O52.27602.23791.39101.51363.32733.27822.1019
H61.08452.26522.21373.36733.32732.76042.7911
H72.27301.08763.29062.08793.27822.76044.3547
H82.26443.30821.08483.34812.10192.79114.3547

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 114.080 C1 C2 H7 127.774
C1 C3 O5 110.717 C1 C3 H8 133.635
C2 C1 C3 104.858 C2 C1 H6 127.241
C2 N4 O5 103.056 C3 C1 H6 127.901
C3 O5 N4 107.289 N4 C2 H7 118.146
O5 C3 H8 115.647
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 C 0.005      
3 C 0.127      
4 N -0.134      
5 O -0.345      
6 H 0.132      
7 H 0.160      
8 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.067 1.501 0.000 3.415
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.239 -2.516 0.000
y -2.516 -24.979 0.000
z 0.000 0.000 -29.854
Traceless
 xyz
x -1.823 -2.516 0.000
y -2.516 4.568 0.000
z 0.000 0.000 -2.745
Polar
3z2-r2-5.489
x2-y2-4.261
xy-2.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.201 -0.243 0.000
y -0.243 7.030 0.000
z 0.000 0.000 2.173


<r2> (average value of r2) Å2
<r2> 80.626
(<r2>)1/2 8.979