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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3LYP/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/SDD
 hartrees
Energy at 0K-246.019339
Energy at 298.15K-246.023885
HF Energy-246.019339
Nuclear repulsion energy160.083333
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 B3LYP/SDD
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' 3362 3232 0.98      
2 A' 3349 3219 0.64      
3 A' 3319 3190 4.20      
4 A' 1531 1472 5.16      
5 A' 1481 1424 26.15      
6 A' 1333 1281 8.12      
7 A' 1260 1211 0.34      
8 A' 1151 1107 20.33      
9 A' 1086 1044 2.34      
10 A' 1034 994 9.65      
11 A' 1021 981 42.80      
12 A' 901 866 19.91      
13 A' 891 857 27.50      
14 A" 896 862 2.72      
15 A" 826 794 57.95      
16 A" 780 750 44.00      
17 A" 656 631 25.28      
18 A" 611 587 13.62      

Unscaled Zero Point Vibrational Energy (zpe) 12743.1 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 12250.0 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 B3LYP/SDD
ABC
0.32074 0.31278 0.15835

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.110 0.312 0.000
C2 0.000 1.146 0.000
N3 1.129 0.470 0.000
C4 0.766 -0.901 0.000
C5 -0.607 -0.997 0.000
H6 -0.161 2.211 0.000
H7 1.503 -1.687 0.000
H8 -1.318 -1.804 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.38842.24482.23421.40242.12293.29032.1262
C21.38841.31622.18562.22701.07713.20683.2308
N32.24481.31621.41802.27242.16712.18853.3402
C42.23422.18561.41801.37613.24711.07752.2711
C51.40242.22702.27241.37613.23862.22011.0757
H62.12291.07712.16713.24713.23864.23804.1782
H73.29033.20682.18851.07752.22014.23802.8239
H82.12623.23083.34022.27111.07574.17822.8239

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.173 O1 C2 H6 118.324
O1 C5 C4 107.045 O1 C5 H8 117.575
C2 O1 C5 105.873 C2 N3 C4 106.081
N3 C2 H6 129.503 N3 C4 C5 108.828
N3 C4 H7 121.972 C4 C5 H8 135.381
C5 C4 H7 129.200
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.246      
2 C -0.077      
3 N -0.099      
4 C -0.263      
5 C -0.111      
6 H 0.264      
7 H 0.263      
8 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.148 -1.132 0.000 1.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.860 -1.257 0.000
y -1.257 -22.028 0.000
z 0.000 0.000 -30.289
Traceless
 xyz
x -6.701 -1.257 0.000
y -1.257 9.546 0.000
z 0.000 0.000 -2.845
Polar
3z2-r2-5.690
x2-y2-10.832
xy-1.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.896 0.029 0.000
y 0.029 6.521 0.000
z 0.000 0.000 2.640


<r2> (average value of r2) Å2
<r2> 78.386
(<r2>)1/2 8.854