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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-246.069880
Energy at 298.15K-246.074467
HF Energy-246.069880
Nuclear repulsion energy163.035742
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 B3LYPultrafine/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' 3321 3182 0.65      
2 A' 3300 3161 0.41      
3 A' 3281 3143 3.35      
4 A' 1594 1527 12.74      
5 A' 1545 1480 26.20      
6 A' 1373 1315 4.64      
7 A' 1285 1231 0.18      
8 A' 1179 1129 20.82      
9 A' 1133 1085 11.01      
10 A' 1111 1064 7.41      
11 A' 1082 1037 35.06      
12 A' 928 889 16.03      
13 A' 916 877 20.12      
14 A" 866 829 2.80      
15 A" 827 792 19.99      
16 A" 754 723 22.75      
17 A" 667 639 23.17      
18 A" 627 601 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 12893.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 12351.7 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 B3LYPultrafine/6-31G*
ABC
0.33612 0.32166 0.16437

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.104 0.309 0.000
C2 0.000 1.099 0.000
N3 1.128 0.464 0.000
C4 0.755 -0.876 0.000
C5 -0.599 -0.965 0.000
H6 -0.170 2.166 0.000
H7 1.489 -1.668 0.000
H8 -1.317 -1.769 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35782.23702.20411.37072.07893.26102.0886
C21.35781.29422.11472.14971.08013.14303.1562
N32.23701.29421.39112.24122.14012.16293.3111
C42.20412.11471.39111.35613.17951.08052.2560
C51.37072.14972.24121.35613.16052.20311.0780
H62.07891.08012.14013.17953.16054.17804.0988
H73.26103.14302.16291.08052.20314.17802.8083
H82.08863.15623.31112.25601.07804.09882.8083

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.998 O1 C2 H6 116.555
O1 C5 C4 107.864 O1 C5 H8 116.560
C2 O1 C5 103.971 C2 N3 C4 103.841
N3 C2 H6 128.447 N3 C4 C5 109.326
N3 C4 H7 121.605 C4 C5 H8 135.576
C5 C4 H7 129.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.383      
2 C 0.251      
3 N -0.402      
4 C -0.034      
5 C 0.066      
6 H 0.176      
7 H 0.155      
8 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.285 -0.828 0.000 1.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.810 -1.154 0.000
y -1.154 -22.393 0.000
z 0.000 0.000 -29.284
Traceless
 xyz
x -4.972 -1.154 0.000
y -1.154 7.655 0.000
z 0.000 0.000 -2.683
Polar
3z2-r2-5.365
x2-y2-8.418
xy-1.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.729 0.022 0.000
y 0.022 6.543 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 75.710
(<r2>)1/2 8.701