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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-244.521331
Energy at 298.15K 
HF Energy-244.521331
Nuclear repulsion energy157.373962
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 B97D3/3-21G
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' 3269 3214 0.11 104.73 0.10 0.19
2 A' 3238 3183 0.23 67.11 0.61 0.76
3 A' 3213 3159 1.72 80.46 0.39 0.56
4 A' 1513 1487 8.56 5.77 0.13 0.23
5 A' 1367 1344 25.99 13.63 0.59 0.74
6 A' 1331 1308 1.20 10.56 0.28 0.44
7 A' 1179 1159 4.45 9.83 0.24 0.39
8 A' 1121 1102 15.48 8.31 0.65 0.79
9 A' 1058 1040 1.59 8.24 0.16 0.27
10 A' 991 974 13.72 2.86 0.45 0.62
11 A' 921 905 2.91 5.20 0.61 0.76
12 A' 873 858 1.30 1.41 0.48 0.65
13 A' 734 722 10.77 6.89 0.15 0.26
14 A" 899 884 2.70 1.84 0.75 0.86
15 A" 857 843 5.26 1.27 0.75 0.86
16 A" 771 758 75.38 1.43 0.75 0.86
17 A" 617 606 12.10 0.15 0.75 0.86
18 A" 566 556 6.26 1.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12258.7 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 12050.3 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 B97D3/3-21G
ABC
0.31191 0.29954 0.15280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.132 0.388 0.000
C2 0.651 -0.962 0.000
C3 0.000 1.158 0.000
N4 -0.683 -1.072 0.000
O5 -1.144 0.367 0.000
H6 2.159 0.718 0.000
H7 1.244 -1.869 0.000
H8 -0.161 2.226 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43341.36862.32932.27581.07912.25932.2476
C21.43342.21761.33832.23322.25801.08323.2905
C31.36862.21762.33241.39102.20343.27191.0808
N42.32931.33832.33241.51103.35912.08503.3398
O52.27582.23321.39101.51103.32183.27082.1036
H61.07912.25802.20343.35913.32182.74372.7676
H72.25931.08323.27192.08503.27082.74374.3294
H82.24763.29051.08083.33982.10362.76764.3294

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 114.322 C1 C2 H7 127.185
C1 C3 O5 111.112 C1 C3 H8 132.809
C2 C1 C3 104.620 C2 C1 H6 127.413
C2 N4 O5 103.046 C3 C1 H6 127.967
C3 O5 N4 106.900 N4 C2 H7 118.492
O5 C3 H8 116.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.342      
2 C 0.055      
3 C 0.136      
4 N -0.225      
5 O -0.331      
6 H 0.210      
7 H 0.247      
8 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.799 1.442 0.000 3.148
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.532 -2.478 0.000
y -2.478 -24.389 0.000
z 0.000 0.000 -30.204
Traceless
 xyz
x -1.235 -2.478 0.000
y -2.478 4.979 0.000
z 0.000 0.000 -3.744
Polar
3z2-r2-7.488
x2-y2-4.143
xy-2.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.723 -0.277 0.000
y -0.277 6.563 0.000
z 0.000 0.000 1.793


<r2> (average value of r2) Å2
<r2> 80.093
(<r2>)1/2 8.949