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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-245.881635
Energy at 298.15K-245.886301
HF Energy-245.881635
Nuclear repulsion energy164.187444
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 PBE1PBE/cc-pVTZ
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' 3310 3181 0.46      
2 A' 3282 3154 0.58      
3 A' 3273 3146 2.59      
4 A' 1602 1540 15.74      
5 A' 1555 1495 24.12      
6 A' 1379 1325 3.63      
7 A' 1277 1227 0.19      
8 A' 1190 1144 24.37      
9 A' 1153 1108 10.90      
10 A' 1118 1075 4.74      
11 A' 1095 1052 36.11      
12 A' 936 899 17.80      
13 A' 921 885 17.33      
14 A" 897 862 0.85      
15 A" 860 826 20.93      
16 A" 778 747 36.08      
17 A" 673 647 26.47      
18 A" 637 612 5.01      

Unscaled Zero Point Vibrational Energy (zpe) 12967.2 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 12461.5 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 PBE1PBE/cc-pVTZ
ABC
0.34048 0.32673 0.16673

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.096 0.308 0.000
C2 0.000 1.091 0.000
N3 1.120 0.460 0.000
C4 0.749 -0.871 0.000
C5 -0.594 -0.956 0.000
H6 -0.167 2.155 0.000
H7 1.479 -1.663 0.000
H8 -1.310 -1.759 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34692.22112.18981.36042.06773.24292.0783
C21.34691.28502.09992.13171.07763.12603.1365
N32.22111.28501.38192.22382.12822.15383.2906
C42.18982.09991.38191.34643.16201.07712.2422
C51.36042.13172.22381.34643.14092.19041.0752
H62.06771.07762.12823.16203.14094.15834.0778
H73.24293.12602.15381.07712.19044.15832.7900
H82.07833.13653.29062.24221.07524.07782.7900

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.090 O1 C2 H6 116.602
O1 C5 C4 108.001 O1 C5 H8 116.666
C2 O1 C5 103.889 C2 N3 C4 103.827
N3 C2 H6 128.308 N3 C4 C5 109.193
N3 C4 H7 121.808 C4 C5 H8 135.333
C5 C4 H7 128.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.137      
2 C 0.059      
3 N -0.184      
4 C -0.129      
5 C -0.026      
6 H 0.135      
7 H 0.134      
8 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.340 -0.762 0.000 1.542
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.920 -1.249 0.000
y -1.249 -22.611 0.000
z 0.000 0.000 -29.754
Traceless
 xyz
x -4.737 -1.249 0.000
y -1.249 7.726 0.000
z 0.000 0.000 -2.989
Polar
3z2-r2-5.978
x2-y2-8.309
xy-1.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.318 0.068 0.000
y 0.068 7.110 0.000
z 0.000 0.000 3.647


<r2> (average value of r2) Å2
<r2> 75.082
(<r2>)1/2 8.665