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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-44.514052
Energy at 298.15K-44.518574
HF Energy-44.514052
Nuclear repulsion energy82.276989
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/CEP-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' 3337 3232 0.93      
2 A' 3327 3222 0.53      
3 A' 3295 3191 3.93      
4 A' 1526 1478 3.95      
5 A' 1464 1418 24.78      
6 A' 1318 1276 7.49      
7 A' 1246 1207 0.46      
8 A' 1140 1104 21.73      
9 A' 1074 1040 2.80      
10 A' 1029 996 9.27      
11 A' 1013 981 44.65      
12 A' 891 863 15.06      
13 A' 880 853 28.82      
14 A" 884 856 3.16      
15 A" 842 815 54.91      
16 A" 771 747 60.02      
17 A" 645 624 23.46      
18 A" 599 580 10.12      

Unscaled Zero Point Vibrational Energy (zpe) 12641.0 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 12241.5 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/CEP-31G
ABC
0.31766 0.30657 0.15601

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.135 0.308 0.000
C2 0.000 1.142 0.000
N3 1.146 0.481 0.000
C4 0.778 -0.897 0.000
C5 -0.607 -1.004 0.000
H6 -0.174 2.211 0.000
H7 1.529 -1.679 0.000
H8 -1.324 -1.815 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.40812.28752.26141.41432.13203.32352.1318
C21.40811.32262.18212.22971.08373.20843.2395
N32.28751.32261.42622.29752.17602.19403.3722
C42.26142.18211.42621.38973.25081.08392.2939
C51.41432.22972.29751.38973.24422.24011.0824
H62.13201.08372.17603.25083.24424.24674.1874
H73.32353.20842.19401.08392.24014.24672.8556
H82.13183.23953.37222.29391.08244.18742.8556

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 113.757 O1 C2 H6 117.057
O1 C5 C4 107.504 O1 C5 H8 116.635
C2 O1 C5 104.370 C2 N3 C4 105.026
N3 C2 H6 129.186 N3 C4 C5 109.343
N3 C4 H7 121.264 C4 C5 H8 135.861
C5 C4 H7 129.393
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.110      
2 C -0.410      
3 N 0.147      
4 C -0.359      
5 C -0.147      
6 H 0.282      
7 H 0.296      
8 H 0.300      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.142 -1.192 0.000 1.651
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.139 -1.319 0.000
y -1.319 -21.844 0.000
z 0.000 0.000 -30.297
Traceless
 xyz
x -7.068 -1.319 0.000
y -1.319 9.874 0.000
z 0.000 0.000 -2.806
Polar
3z2-r2-5.612
x2-y2-11.295
xy-1.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.053 0.060 0.000
y 0.060 6.576 0.000
z 0.000 0.000 2.871


<r2> (average value of r2) Å2
<r2> 65.262
(<r2>)1/2 8.078