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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: PBE1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-245.809073
Energy at 298.15K-245.813709
HF Energy-245.809073
Nuclear repulsion energy163.678404
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/6-31+G**
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' 3340 3191 0.51      
2 A' 3318 3170 1.06      
3 A' 3302 3155 2.80      
4 A' 1611 1539 19.27      
5 A' 1561 1491 28.81      
6 A' 1388 1326 3.24      
7 A' 1280 1222 0.25      
8 A' 1202 1148 28.41      
9 A' 1162 1110 9.53      
10 A' 1123 1073 1.66      
11 A' 1100 1051 45.07      
12 A' 934 892 19.28      
13 A' 919 878 13.55      
14 A" 884 845 2.09      
15 A" 848 810 29.07      
16 A" 769 735 40.41      
17 A" 667 637 28.85      
18 A" 630 601 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 13018.5 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 12436.6 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/6-31+G**
ABC
0.33875 0.32432 0.16569

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.098 0.309 0.000
C2 0.000 1.095 0.000
N3 1.124 0.461 0.000
C4 0.752 -0.873 0.000
C5 -0.599 -0.960 0.000
H6 -0.168 2.162 0.000
H7 1.484 -1.667 0.000
H8 -1.317 -1.763 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35062.22712.19571.36352.07333.25182.0837
C21.35061.29052.10732.14041.07983.13583.1474
N32.22711.29051.38502.23272.13602.15823.3023
C42.19572.10731.38501.35353.17171.07992.2526
C51.36352.14042.23271.35353.15122.19981.0780
H62.07331.07982.13603.17173.15124.17034.0899
H73.25183.13582.15821.07992.19984.17032.8034
H82.08373.14743.30232.25261.07804.08992.8034

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.953 O1 C2 H6 116.644
O1 C5 C4 107.831 O1 C5 H8 116.696
C2 O1 C5 104.110 C2 N3 C4 103.877
N3 C2 H6 128.403 N3 C4 C5 109.229
N3 C4 H7 121.733 C4 C5 H8 135.473
C5 C4 H7 129.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.248      
2 C 0.119      
3 N -0.269      
4 C -0.134      
5 C -0.012      
6 H 0.181      
7 H 0.175      
8 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.374 -0.860 0.000 1.621
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.684 -1.316 0.000
y -1.316 -22.638 0.000
z 0.000 0.000 -30.242
Traceless
 xyz
x -5.245 -1.316 0.000
y -1.316 8.325 0.000
z 0.000 0.000 -3.080
Polar
3z2-r2-6.161
x2-y2-9.046
xy-1.316
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.703 0.124 0.000
y 0.124 7.142 0.000
z 0.000 0.000 3.987


<r2> (average value of r2) Å2
<r2> 75.707
(<r2>)1/2 8.701