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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-244.618894
Energy at 298.15K-244.623542
HF Energy-244.618894
Nuclear repulsion energy161.216979
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 wB97X-D/3-21G*
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' 3378 3202 0.55      
2 A' 3356 3181 1.37      
3 A' 3346 3172 1.97      
4 A' 1562 1480 6.31      
5 A' 1509 1431 16.76      
6 A' 1358 1287 13.98      
7 A' 1288 1221 0.08      
8 A' 1172 1111 13.93      
9 A' 1082 1025 8.25      
10 A' 1058 1003 16.25      
11 A' 1045 990 17.21      
12 A' 925 877 1.74      
13 A' 915 867 46.01      
14 A" 961 911 0.43      
15 A" 884 838 26.91      
16 A" 825 782 55.66      
17 A" 674 639 22.48      
18 A" 634 601 17.41      

Unscaled Zero Point Vibrational Energy (zpe) 12986.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 12308.7 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 wB97X-D/3-21G*
ABC
0.32448 0.31807 0.16062

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.103 0.308 0.000
C2 0.000 1.140 0.000
N3 1.119 0.471 0.000
C4 0.757 -0.896 0.000
C5 -0.596 -0.992 0.000
H6 -0.165 2.200 0.000
H7 1.490 -1.680 0.000
H8 -1.300 -1.800 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.38142.22752.21571.39622.11133.26712.1179
C21.38141.30342.17222.21441.07263.18943.2151
N32.22751.30341.41392.25432.15332.18303.3181
C42.21572.17221.41391.35653.23021.07312.2472
C51.39622.21442.25431.35653.22152.19581.0716
H62.11131.07262.15333.23023.22154.21814.1582
H73.26713.18942.18301.07312.19584.21812.7920
H82.11793.21513.31812.24721.07164.15822.7920

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 112.094 O1 C2 H6 118.169
O1 C5 C4 107.201 O1 C5 H8 117.636
C2 O1 C5 105.732 C2 N3 C4 106.069
N3 C2 H6 129.737 N3 C4 C5 108.905
N3 C4 H7 122.152 C4 C5 H8 135.164
C5 C4 H7 128.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.485      
2 C 0.278      
3 N -0.505      
4 C -0.100      
5 C 0.009      
6 H 0.282      
7 H 0.252      
8 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.160 -0.991 0.000 1.525
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.688 -1.166 0.000
y -1.166 -21.604 0.000
z 0.000 0.000 -29.978
Traceless
 xyz
x -5.897 -1.166 0.000
y -1.166 9.229 0.000
z 0.000 0.000 -3.332
Polar
3z2-r2-6.664
x2-y2-10.084
xy-1.166
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.175 -0.038 0.000
y -0.038 6.034 0.000
z 0.000 0.000 1.839


<r2> (average value of r2) Å2
<r2> 77.147
(<r2>)1/2 8.783