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All results from a given calculation for C4H7NO (Oxazole, 4,5-dihydro-2-methyl-)

using model chemistry: HF/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/daug-cc-pVTZ
 hartrees
Energy at 0K-284.958540
Energy at 298.15K-284.967802
HF Energy-284.958540
Nuclear repulsion energy243.723271
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/daug-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' 3289 2976 9.64      
2 A' 3210 2903 72.26      
3 A' 3187 2883 52.25      
4 A' 3182 2878 13.92      
5 A' 1905 1723 237.08      
6 A' 1662 1504 2.63      
7 A' 1636 1480 0.37      
8 A' 1593 1441 9.76      
9 A' 1553 1405 51.60      
10 A' 1512 1368 9.66      
11 A' 1471 1331 20.61      
12 A' 1365 1235 136.20      
13 A' 1188 1074 8.77      
14 A' 1134 1025 109.92      
15 A' 1075 973 1.11      
16 A' 1029 931 32.19      
17 A' 990 896 16.56      
18 A' 825 746 6.66      
19 A' 700 633 2.47      
20 A' 376 340 7.06      
21 A" 3251 2941 55.94      
22 A" 3235 2926 13.88      
23 A" 3210 2904 9.98      
24 A" 1596 1444 7.26      
25 A" 1357 1228 0.01      
26 A" 1328 1201 5.17      
27 A" 1227 1110 0.18      
28 A" 1165 1054 3.09      
29 A" 899 813 1.07      
30 A" 670 606 8.53      
31 A" 261 236 11.36      
32 A" 161 146 0.69      
33 A" 74 67 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25657.9 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 23210.1 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 HF/daug-cc-pVTZ
ABC
0.26690 0.11596 0.08460

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.336 2.118 0.000
C2 0.543 -1.488 0.000
C3 -0.983 -1.280 0.000
N4 -1.142 0.167 0.000
O5 1.054 -0.161 0.000
C6 0.000 0.668 0.000
H7 0.908 -1.998 0.879
H8 0.908 -1.998 -0.879
H9 -1.458 -1.708 0.873
H10 -1.458 -1.708 -0.873
H11 0.928 2.356 0.875
H12 0.928 2.356 -0.875
H13 -0.570 2.703 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.61173.64532.44762.38981.48824.24754.24754.31534.31531.08291.08291.0777
C23.61171.54032.36221.42162.22331.08031.08032.19482.19483.96083.96084.3357
C33.64531.54031.45632.32452.18252.20582.20581.08211.08214.20024.20024.0045
N42.44762.36221.45632.22111.24743.10913.10912.09262.09263.13743.13742.5994
O52.38981.42162.32452.22111.34142.04162.04163.07723.07722.66782.66783.2922
C61.48822.22332.18251.24741.34142.95062.95062.92172.92172.11552.11552.1128
H74.24751.08032.20583.10912.04162.95061.75892.38442.95914.35394.69405.0053
H84.24751.08032.20583.10912.04162.95061.75892.95912.38444.69404.35395.0053
H94.31532.19481.08212.09263.07722.92172.38442.95911.74574.71325.02674.5835
H104.31532.19481.08212.09263.07722.92172.95912.38441.74575.02674.71324.5835
H111.08293.96084.20023.13742.66782.11554.35394.69404.71325.02671.74931.7687
H121.08293.96084.20023.13742.66782.11554.69404.35395.02674.71321.74931.7687
H131.07774.33574.00452.59943.29222.11285.00535.00534.58354.58351.76871.7687

picture of Oxazole, 4,5-dihydro-2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 N4 126.718 C1 C6 O5 115.151
C2 C3 N4 104.018 C2 C3 H9 112.463
C2 C3 H10 112.463 C2 O5 C6 107.121
C3 C2 O5 103.333 C3 C2 H7 113.484
C3 C2 H8 113.484 C3 N4 C6 107.398
N4 C3 H9 110.180 N4 C3 H10 110.180
N4 C6 O5 118.130 O5 C2 H7 108.609
O5 C2 H8 108.609 C6 C1 H11 109.729
C6 C1 H12 109.729 C6 C1 H13 109.816
H7 C2 H8 109.000 H9 C3 H10 107.536
H11 C1 H12 107.745 H11 C1 H13 109.896
H12 C1 H13 109.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.606      
2 C -0.169      
3 C -0.257      
4 N -1.481      
5 O -0.672      
6 C 0.010      
7 H 0.579      
8 H 0.579      
9 H 0.471      
10 H 0.471      
11 H 0.380      
12 H 0.380      
13 H 0.314      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.110 -0.886 0.000 1.420
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.679 1.937 0.000
y 1.937 -29.869 0.000
z 0.000 0.000 -35.337
Traceless
 xyz
x -9.076 1.937 0.000
y 1.937 8.639 0.000
z 0.000 0.000 0.437
Polar
3z2-r20.874
x2-y2-11.810
xy1.937
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.132 0.625 0.000
y 0.625 9.310 0.000
z 0.000 0.000 6.349


<r2> (average value of r2) Å2
<r2> 146.417
(<r2>)1/2 12.100