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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HF/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 HF/6-31+G**
 hartrees
Energy at 0K-244.646044
Energy at 298.15K-244.650888
HF Energy-244.646044
Nuclear repulsion energy165.291286
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 HF/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' 3488 3154 0.87      
2 A' 3462 3130 0.51      
3 A' 3449 3119 3.77      
4 A' 1765 1595 35.91      
5 A' 1700 1537 33.84      
6 A' 1501 1357 11.71      
7 A' 1396 1262 0.11      
8 A' 1292 1168 41.18      
9 A' 1223 1106 15.03      
10 A' 1190 1076 11.73      
11 A' 1159 1048 53.16      
12 A' 1011 914 14.83      
13 A' 992 897 23.21      
14 A" 1019 922 1.88      
15 A" 994 899 11.06      
16 A" 872 788 54.57      
17 A" 706 638 36.69      
18 A" 666 603 13.26      

Unscaled Zero Point Vibrational Energy (zpe) 13941.7 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 12606.1 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 HF/6-31+G**
ABC
0.34228 0.33360 0.16894

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.077 0.306 0.000
C2 0.000 1.088 0.000
N3 1.103 0.465 0.000
C4 0.738 -0.870 0.000
C5 -0.589 -0.957 0.000
H6 -0.164 2.142 0.000
H7 1.462 -1.654 0.000
H8 -1.295 -1.755 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.33112.18592.16331.35462.05093.20822.0728
C21.33111.26652.09282.12861.06683.10783.1242
N32.18591.26651.38452.21072.10142.14993.2681
C42.16332.09281.38451.33023.14461.06722.2175
C51.35462.12862.21071.33023.12882.16661.0652
H62.05091.06682.10143.14463.12884.13004.0583
H73.20823.10782.14991.06722.16664.13002.7592
H82.07283.12423.26812.21751.06524.05832.7592

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.578 O1 C2 H6 117.157
O1 C5 C4 107.361 O1 C5 H8 117.374
C2 O1 C5 104.855 C2 N3 C4 104.178
N3 C2 H6 128.265 N3 C4 C5 109.029
N3 C4 H7 122.005 C4 C5 H8 135.265
C5 C4 H7 128.967
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.400      
2 C 0.278      
3 N -0.363      
4 C -0.133      
5 C 0.062      
6 H 0.179      
7 H 0.181      
8 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.368 -0.851 0.000 1.611
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.241 -1.398 0.000
y -1.398 -22.455 0.000
z 0.000 0.000 -30.481
Traceless
 xyz
x -5.773 -1.398 0.000
y -1.398 8.906 0.000
z 0.000 0.000 -3.133
Polar
3z2-r2-6.267
x2-y2-9.786
xy-1.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.393 0.057 0.000
y 0.057 6.465 0.000
z 0.000 0.000 3.867


<r2> (average value of r2) Å2
<r2> 74.728
(<r2>)1/2 8.645