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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/cc-pVDZ
 hartrees
Energy at 0K-245.834732
Energy at 298.15K-245.839379
HF Energy-245.834732
Nuclear repulsion energy163.543202
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 HSEh1PBE/cc-pVDZ
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' 3328 3201 0.51      
2 A' 3302 3176 0.58      
3 A' 3287 3162 2.59      
4 A' 1609 1548 15.94      
5 A' 1562 1503 24.12      
6 A' 1378 1325 2.96      
7 A' 1262 1213 0.41      
8 A' 1191 1145 23.50      
9 A' 1163 1119 9.84      
10 A' 1111 1069 3.48      
11 A' 1093 1051 37.89      
12 A' 936 900 19.09      
13 A' 920 885 16.79      
14 A" 882 849 0.96      
15 A" 847 815 21.97      
16 A" 770 740 29.29      
17 A" 672 647 24.48      
18 A" 636 611 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 12973.4 cm-1
Scaled (by 0.9619) Zero Point Vibrational Energy (zpe) 12479.1 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 HSEh1PBE/cc-pVDZ
ABC
0.33895 0.32321 0.16545

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.101 0.309 0.000
C2 0.000 1.092 0.000
N3 1.127 0.461 0.000
C4 0.753 -0.872 0.000
C5 -0.599 -0.958 0.000
H6 -0.171 2.165 0.000
H7 1.490 -1.672 0.000
H8 -1.324 -1.765 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35072.23272.19851.36252.07633.26112.0863
C21.35071.29142.10382.13551.08703.13973.1489
N32.23271.29141.38492.23462.14192.16373.3110
C42.19852.10381.38491.35543.17521.08702.2609
C51.36252.13552.23461.35543.15252.20791.0848
H62.07631.08702.14193.17523.15254.18114.0963
H73.26113.13972.16371.08702.20794.18112.8152
H82.08633.14893.31102.26091.08484.09632.8152

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 115.344 O1 C2 H6 116.390
O1 C5 C4 107.977 O1 C5 H8 116.513
C2 O1 C5 103.831 C2 N3 C4 103.589
N3 C2 H6 128.266 N3 C4 C5 109.260
N3 C4 H7 121.698 C4 C5 H8 135.510
C5 C4 H7 129.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.171      
2 C 0.194      
3 N -0.225      
4 C 0.008      
5 C 0.071      
6 H 0.055      
7 H 0.029      
8 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.304 -0.716 0.000 1.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.551 -1.137 0.000
y -1.137 -22.581 0.000
z 0.000 0.000 -29.528
Traceless
 xyz
x -4.497 -1.137 0.000
y -1.137 7.459 0.000
z 0.000 0.000 -2.962
Polar
3z2-r2-5.924
x2-y2-7.970
xy-1.137
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.807 0.027 0.000
y 0.027 6.738 0.000
z 0.000 0.000 2.765


<r2> (average value of r2) Å2
<r2> 75.422
(<r2>)1/2 8.685