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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-245.834346
Energy at 298.15K-245.839001
HF Energy-245.834346
Nuclear repulsion energy164.035031
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 HSEh1PBE/6-31G(2df,p)
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' 3325 3185 0.56      
2 A' 3297 3158 0.38      
3 A' 3288 3149 2.63      
4 A' 1606 1538 16.71      
5 A' 1560 1494 21.01      
6 A' 1381 1322 4.02      
7 A' 1278 1224 0.42      
8 A' 1199 1148 24.74      
9 A' 1157 1108 9.50      
10 A' 1123 1076 4.52      
11 A' 1098 1052 32.05      
12 A' 937 898 17.07      
13 A' 922 883 17.81      
14 A" 884 847 1.60      
15 A" 857 821 17.42      
16 A" 780 747 26.24      
17 A" 675 647 23.36      
18 A" 639 612 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 13003.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 12453.2 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 HSEh1PBE/6-31G(2df,p)
ABC
0.34053 0.32545 0.16641

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.309 0.000
C2 0.000 1.089 0.000
N3 1.124 0.460 0.000
C4 0.750 -0.872 0.000
C5 -0.597 -0.955 0.000
H6 -0.170 2.155 0.000
H7 1.480 -1.665 0.000
H8 -1.316 -1.756 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34692.22652.19271.35972.06603.24712.0761
C21.34691.28782.09942.12981.07893.12723.1348
N32.22651.28781.38322.22782.13182.15533.2962
C42.19272.09941.38321.34943.16301.07862.2478
C51.35972.12982.22781.34943.13912.19501.0765
H62.06601.07892.13183.16303.13914.16134.0751
H73.24713.12722.15531.07862.19504.16132.7983
H82.07613.13483.29622.24781.07654.07512.7983

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.347 O1 C2 H6 116.358
O1 C5 C4 108.069 O1 C5 H8 116.410
C2 O1 C5 103.789 C2 N3 C4 103.571
N3 C2 H6 128.296 N3 C4 C5 109.224
N3 C4 H7 121.720 C4 C5 H8 135.521
C5 C4 H7 129.056
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.160      
2 C 0.091      
3 N -0.278      
4 C -0.116      
5 C -0.038      
6 H 0.176      
7 H 0.153      
8 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.341 -0.751 0.000 1.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.334 -1.190 0.000
y -1.190 -22.282 0.000
z 0.000 0.000 -29.153
Traceless
 xyz
x -4.616 -1.190 0.000
y -1.190 7.461 0.000
z 0.000 0.000 -2.845
Polar
3z2-r2-5.691
x2-y2-8.052
xy-1.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.883 0.037 0.000
y 0.037 6.740 0.000
z 0.000 0.000 2.972


<r2> (average value of r2) Å2
<r2> 74.873
(<r2>)1/2 8.653