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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: B2PLYP/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 B2PLYP/6-31G**
 hartrees
Energy at 0K-245.837296
Energy at 298.15K-245.841899
HF Energy-245.591429
Nuclear repulsion energy162.968439
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 B2PLYP/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' 3355 3355 0.49      
2 A' 3332 3332 0.19      
3 A' 3317 3317 2.47      
4 A' 1592 1592 8.55      
5 A' 1551 1551 28.27      
6 A' 1379 1379 5.35      
7 A' 1293 1293 0.21      
8 A' 1186 1186 23.84      
9 A' 1139 1139 8.16      
10 A' 1118 1118 8.04      
11 A' 1087 1087 35.58      
12 A' 925 925 17.35      
13 A' 916 916 17.75      
14 A" 862 862 2.67      
15 A" 831 831 22.97      
16 A" 755 755 22.12      
17 A" 665 665 24.36      
18 A" 625 625 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 12964.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12964.4 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 B2PLYP/6-31G**
ABC
0.33619 0.32095 0.16420

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.106 0.309 0.000
C2 0.000 1.099 0.000
N3 1.130 0.464 0.000
C4 0.755 -0.876 0.000
C5 -0.599 -0.965 0.000
H6 -0.169 2.162 0.000
H7 1.485 -1.667 0.000
H8 -1.313 -1.767 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35922.24162.20671.37132.07653.25932.0868
C21.35921.29632.11422.14861.07673.13973.1527
N32.24161.29631.39112.24252.13832.16043.3087
C42.20672.11421.39111.35683.17561.07672.2524
C51.37132.14862.24251.35683.15622.19931.0746
H62.07651.07672.13833.17563.15624.17164.0926
H73.25933.13972.16041.07672.19934.17162.8004
H82.08683.15273.30872.25241.07464.09262.8004

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.144 O1 C2 H6 116.484
O1 C5 C4 107.972 O1 C5 H8 116.594
C2 O1 C5 103.795 C2 N3 C4 103.705
N3 C2 H6 128.372 N3 C4 C5 109.383
N3 C4 H7 121.674 C4 C5 H8 135.434
C5 C4 H7 128.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.404      
2 C 0.301      
3 N -0.417      
4 C 0.003      
5 C 0.107      
6 H 0.145      
7 H 0.125      
8 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.296 -0.843 0.000 1.546
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.062 -1.168 0.000
y -1.168 -22.472 0.000
z 0.000 0.000 -29.434
Traceless
 xyz
x -5.109 -1.168 0.000
y -1.168 7.776 0.000
z 0.000 0.000 -2.667
Polar
3z2-r2-5.334
x2-y2-8.590
xy-1.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.721 0.012 0.000
y 0.012 6.494 0.000
z 0.000 0.000 2.495


<r2> (average value of r2) Å2
<r2> 75.842
(<r2>)1/2 8.709