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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-242.829677
Energy at 298.15K-242.834013
HF Energy-242.829677
Nuclear repulsion energy158.703038
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/STO-3G
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' 3547 3139 13.81      
2 A' 3513 3109 27.87      
3 A' 3509 3105 34.53      
4 A' 1644 1455 6.53      
5 A' 1576 1395 3.80      
6 A' 1409 1247 11.52      
7 A' 1289 1141 3.17      
8 A' 1246 1102 11.29      
9 A' 1165 1031 1.91      
10 A' 1135 1004 4.33      
11 A' 1099 973 7.84      
12 A' 928 822 14.44      
13 A' 916 811 1.59      
14 A" 909 805 0.29      
15 A" 813 719 26.85      
16 A" 793 702 6.49      
17 A" 645 571 3.73      
18 A" 613 543 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 13373.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 11835.8 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/STO-3G
ABC
0.32167 0.30153 0.15564

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.148 0.316 0.000
C2 0.000 1.125 0.000
N3 1.176 0.472 0.000
C4 0.767 -0.899 0.000
C5 -0.610 -0.980 0.000
H6 -0.167 2.214 0.000
H7 1.500 -1.714 0.000
H8 -1.330 -1.808 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40452.32942.26791.40342.13643.33702.1322
C21.40451.34562.16502.19211.10123.21193.2212
N32.32941.34561.43092.30202.19972.21043.3887
C42.26792.16501.43091.37933.25021.09652.2860
C51.40342.19212.30201.37933.22462.23421.0977
H62.13641.10122.19973.25023.22464.26764.1871
H73.33703.21192.21041.09652.23424.26762.8322
H82.13223.22123.38872.28601.09774.18712.8322

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.761 O1 C2 H6 116.471
O1 C5 C4 109.174 O1 C5 H8 116.433
C2 O1 C5 102.649 C2 N3 C4 102.430
N3 C2 H6 127.768 N3 C4 C5 109.987
N3 C4 H7 121.418 C4 C5 H8 134.393
C5 C4 H7 128.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.115      
2 C 0.077      
3 N -0.226      
4 C -0.050      
5 C -0.014      
6 H 0.115      
7 H 0.103      
8 H 0.110      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.476 -0.696 0.000 1.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.116 -1.087 0.000
y -1.087 -22.059 0.000
z 0.000 0.000 -26.794
Traceless
 xyz
x -4.689 -1.087 0.000
y -1.087 5.897 0.000
z 0.000 0.000 -1.207
Polar
3z2-r2-2.414
x2-y2-7.057
xy-1.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.542 -0.047 0.000
y -0.047 4.497 0.000
z 0.000 0.000 0.834


<r2> (average value of r2) Å2
<r2> 77.896
(<r2>)1/2 8.826