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All results from a given calculation for C3H3NO (Oxazole)

using model chemistry: HSEh1PBE/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-245.849800
Energy at 298.15K-245.854446
HF Energy-245.849800
Nuclear repulsion energy163.462428
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/aug-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 3202 0.45      
2 A' 3303 3178 0.87      
3 A' 3289 3164 2.78      
4 A' 1599 1539 14.28      
5 A' 1553 1494 27.29      
6 A' 1374 1322 3.10      
7 A' 1267 1219 0.30      
8 A' 1183 1138 24.16      
9 A' 1154 1110 9.86      
10 A' 1109 1068 3.29      
11 A' 1087 1046 39.34      
12 A' 932 897 19.52      
13 A' 917 883 13.40      
14 A" 882 849 1.25      
15 A" 851 819 24.29      
16 A" 766 737 38.11      
17 A" 669 644 26.79      
18 A" 631 607 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 12946.0 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 12456.6 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/aug-cc-pVDZ
ABC
0.33768 0.32371 0.16528

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.099 0.310 0.000
C2 0.000 1.097 0.000
N3 1.124 0.461 0.000
C4 0.753 -0.875 0.000
C5 -0.599 -0.960 0.000
H6 -0.167 2.168 0.000
H7 1.487 -1.674 0.000
H8 -1.320 -1.768 0.000

Atom - Atom Distances (Å)
  O1 C2 N3 C4 C5 H6 H7 H8
O11.35202.22842.19931.36542.07893.25972.0901
C21.35201.29182.11152.14311.08423.14503.1550
N32.22841.29181.38652.23362.14112.16523.3078
C42.19932.11151.38651.35503.17991.08462.2573
C51.36542.14312.23361.35503.15852.20501.0827
H62.07891.08422.14113.17993.15854.18344.1020
H73.25973.14502.16521.08462.20504.18342.8088
H82.09013.15503.30782.25731.08274.10202.8088

picture of Oxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 N3 114.871 O1 C2 H6 116.725
O1 C5 C4 107.886 O1 C5 H8 116.776
C2 O1 C5 104.121 C2 N3 C4 104.009
N3 C2 H6 128.404 N3 C4 C5 109.114
N3 C4 H7 121.895 C4 C5 H8 135.339
C5 C4 H7 128.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.434      
2 C 0.590      
3 N -0.451      
4 C 0.407      
5 C 0.754      
6 H -0.217      
7 H -0.288      
8 H -0.360      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.353 -0.793 0.000 1.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.462 -1.313 0.000
y -1.313 -22.811 0.000
z 0.000 0.000 -30.154
Traceless
 xyz
x -4.979 -1.313 0.000
y -1.313 7.997 0.000
z 0.000 0.000 -3.018
Polar
3z2-r2-6.035
x2-y2-8.651
xy-1.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.981 0.144 0.000
y 0.144 7.743 0.000
z 0.000 0.000 4.459


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