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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/TZVP

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/TZVP
 hartrees
Energy at 0K-245.875285
Energy at 298.15K-245.879935
HF Energy-245.875285
Nuclear repulsion energy164.063283
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/TZVP
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' 3320 3186 0.55      
2 A' 3292 3159 1.04      
3 A' 3283 3151 2.72      
4 A' 1603 1538 16.73      
5 A' 1555 1493 26.90      
6 A' 1380 1324 3.56      
7 A' 1284 1232 0.29      
8 A' 1187 1139 25.00      
9 A' 1149 1103 12.46      
10 A' 1120 1075 4.64      
11 A' 1095 1051 42.26      
12 A' 941 903 18.24      
13 A' 924 887 17.08      
14 A" 880 844 1.16      
15 A" 849 815 27.14      
16 A" 773 742 34.77      
17 A" 670 643 27.58      
18 A" 631 606 4.50      

Unscaled Zero Point Vibrational Energy (zpe) 12967.6 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 12443.7 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/TZVP
ABC
0.33981 0.32639 0.16648

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.096 0.307 0.000
C2 0.000 1.093 0.000
N3 1.119 0.461 0.000
C4 0.750 -0.871 0.000
C5 -0.595 -0.959 0.000
H6 -0.167 2.158 0.000
H7 1.482 -1.662 0.000
H8 -1.310 -1.762 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.34862.22062.18981.36182.07093.24402.0806
C21.34861.28522.10242.13631.07823.12833.1416
N32.22061.28521.38292.22592.12932.15423.2935
C42.18982.10241.38291.34723.16501.07782.2444
C51.36182.13632.22591.34723.14622.19231.0759
H62.07091.07822.12933.16503.14624.16104.0837
H73.24403.12832.15421.07782.19234.16102.7937
H82.08063.14163.29352.24441.07594.08372.7937

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.926 O1 C2 H6 116.717
O1 C5 C4 107.871 O1 C5 H8 116.712
C2 O1 C5 104.034 C2 N3 C4 103.936
N3 C2 H6 128.356 N3 C4 C5 109.233
N3 C4 H7 121.714 C4 C5 H8 135.417
C5 C4 H7 129.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.103      
2 C -0.041      
3 N -0.078      
4 C -0.174      
5 C -0.025      
6 H 0.140      
7 H 0.136      
8 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.344 -0.834 0.000 1.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.446 -1.278 0.000
y -1.278 -22.648 0.000
z 0.000 0.000 -29.949
Traceless
 xyz
x -5.148 -1.278 0.000
y -1.278 8.049 0.000
z 0.000 0.000 -2.902
Polar
3z2-r2-5.803
x2-y2-8.798
xy-1.278
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.391 0.076 0.000
y 0.076 6.958 0.000
z 0.000 0.000 3.753


<r2> (average value of r2) Å2
<r2> 75.327
(<r2>)1/2 8.679