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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-244.725280
Energy at 298.15K-244.730141
HF Energy-244.725280
Nuclear repulsion energy165.700510
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/aug-cc-pVTZ
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' 3455 3145 0.82      
2 A' 3421 3114 0.63      
3 A' 3418 3111 3.69      
4 A' 1750 1593 32.42      
5 A' 1691 1540 30.88      
6 A' 1492 1358 13.12      
7 A' 1396 1271 0.12      
8 A' 1283 1168 39.76      
9 A' 1216 1107 16.81      
10 A' 1178 1072 16.04      
11 A' 1152 1049 41.82      
12 A' 1010 920 13.88      
13 A' 989 900 23.31      
14 A" 1028 936 2.70      
15 A" 1004 914 8.03      
16 A" 875 797 49.48      
17 A" 708 644 32.02      
18 A" 669 609 12.51      

Unscaled Zero Point Vibrational Energy (zpe) 13866.7 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 12624.3 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 HF/aug-cc-pVTZ
ABC
0.34354 0.33566 0.16978

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.075 0.306 0.000
C2 0.000 1.084 0.000
N3 1.100 0.465 0.000
C4 0.736 -0.869 0.000
C5 -0.586 -0.955 0.000
H6 -0.162 2.138 0.000
H7 1.457 -1.653 0.000
H8 -1.289 -1.752 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.32752.18132.15901.35222.04653.20182.0692
C21.32751.26222.08722.12141.06583.10093.1156
N32.18131.26221.38322.20442.09532.14823.2598
C42.15902.08721.38321.32463.13791.06532.2092
C51.35222.12142.20441.32463.12102.15931.0633
H62.04651.06582.09533.13793.12104.12204.0496
H73.20183.10092.14821.06532.15934.12202.7482
H82.06923.11563.25982.20921.06334.04962.7482

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.748 O1 C2 H6 117.124
O1 C5 C4 107.514 O1 C5 H8 117.387
C2 O1 C5 104.674 C2 N3 C4 104.091
N3 C2 H6 128.129 N3 C4 C5 108.973
N3 C4 H7 122.106 C4 C5 H8 135.099
C5 C4 H7 128.921
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.281      
2 C -0.333      
3 N -0.499      
4 C -0.288      
5 C -0.446      
6 H 0.663      
7 H 0.568      
8 H 0.617      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.358 -0.741 0.000 1.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.666 -1.403 0.000
y -1.403 -22.655 0.000
z 0.000 0.000 -30.218
Traceless
 xyz
x -5.230 -1.403 0.000
y -1.403 8.287 0.000
z 0.000 0.000 -3.057
Polar
3z2-r2-6.114
x2-y2-9.011
xy-1.403
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.585 0.084 0.000
y 0.084 7.038 0.000
z 0.000 0.000 4.320


<r2> (average value of r2) Å2
<r2> 74.319
(<r2>)1/2 8.621