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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-244.758012
Energy at 298.15K-244.762566
HF Energy-244.758012
Nuclear repulsion energy163.709021
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 LSDA/6-31G**
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' 3241 3180 0.66      
2 A' 3217 3157 1.40      
3 A' 3200 3140 2.27      
4 A' 1568 1538 15.87      
5 A' 1526 1497 20.41      
6 A' 1359 1334 2.64      
7 A' 1228 1205 0.49      
8 A' 1186 1164 25.00      
9 A' 1168 1146 3.21      
10 A' 1089 1068 0.33      
11 A' 1083 1062 37.40      
12 A' 911 894 19.26      
13 A' 894 878 16.97      
14 A" 839 823 3.63      
15 A" 788 773 22.56      
16 A" 732 718 24.68      
17 A" 663 650 23.93      
18 A" 627 615 2.51      

Unscaled Zero Point Vibrational Energy (zpe) 12658.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 12421.3 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 LSDA/6-31G**
ABC
0.33997 0.32375 0.16583

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.100 0.308 0.000
C2 0.000 1.093 0.000
N3 1.126 0.457 0.000
C4 0.754 -0.870 0.000
C5 -0.599 -0.956 0.000
H6 -0.171 2.170 0.000
H7 1.492 -1.672 0.000
H8 -1.326 -1.765 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35102.23032.19651.35982.07993.26182.0857
C21.35101.29282.10322.13491.09003.14193.1507
N32.23031.29281.37882.22992.14802.16043.3089
C42.19652.10321.37881.35563.17761.08982.2639
C51.35982.13492.22991.35563.15472.21051.0875
H62.07991.09002.14803.17763.15474.18614.1005
H73.26183.14192.16041.08982.21054.18612.8197
H82.08573.15073.30892.26391.08754.10052.8197

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.027 O1 C2 H6 116.471
O1 C5 C4 107.979 O1 C5 H8 116.470
C2 O1 C5 103.914 C2 N3 C4 103.813
N3 C2 H6 128.502 N3 C4 C5 109.267
N3 C4 H7 121.692 C4 C5 H8 135.551
C5 C4 H7 129.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.321      
2 C 0.216      
3 N -0.374      
4 C -0.031      
5 C 0.052      
6 H 0.162      
7 H 0.141      
8 H 0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.354 -0.798 0.000 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.534 -1.145 0.000
y -1.145 -22.406 0.000
z 0.000 0.000 -29.338
Traceless
 xyz
x -4.662 -1.145 0.000
y -1.145 7.530 0.000
z 0.000 0.000 -2.868
Polar
3z2-r2-5.736
x2-y2-8.128
xy-1.145
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.777 0.036 0.000
y 0.036 6.778 0.000
z 0.000 0.000 2.555


<r2> (average value of r2) Å2
<r2> 75.241
(<r2>)1/2 8.674