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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-284.964759
Energy at 298.15K-284.974036
HF Energy-284.964759
Nuclear repulsion energy243.771952
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/Def2TZVPP
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' 3292 2984 9.93      
2 A' 3212 2911 71.26      
3 A' 3189 2891 55.05      
4 A' 3184 2886 14.41      
5 A' 1909 1731 235.00      
6 A' 1663 1508 2.49      
7 A' 1637 1484 0.33      
8 A' 1594 1445 9.39      
9 A' 1553 1408 52.29      
10 A' 1513 1371 8.63      
11 A' 1472 1334 21.89      
12 A' 1366 1238 136.18      
13 A' 1188 1077 8.68      
14 A' 1134 1028 110.71      
15 A' 1076 975 1.05      
16 A' 1029 933 32.15      
17 A' 991 898 16.34      
18 A' 826 749 6.99      
19 A' 701 635 2.57      
20 A' 376 341 6.81      
21 A" 3254 2949 58.95      
22 A" 3238 2935 14.32      
23 A" 3212 2912 10.75      
24 A" 1596 1446 7.43      
25 A" 1357 1230 0.01      
26 A" 1329 1205 4.66      
27 A" 1228 1113 0.18      
28 A" 1164 1055 2.93      
29 A" 900 816 1.15      
30 A" 670 608 8.32      
31 A" 261 237 11.15      
32 A" 161 146 0.73      
33 A" 78 70 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25676.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 23273.3 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/Def2TZVPP
ABC
0.26698 0.11601 0.08464

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.335 2.120 0.000
C2 0.538 -1.493 0.000
C3 -0.979 -1.281 0.000
N4 -1.137 0.169 0.000
O5 1.052 -0.163 0.000
C6 0.000 0.673 0.000
H7 0.904 -1.998 0.880
H8 0.904 -1.998 -0.880
H9 -1.453 -1.709 0.873
H10 -1.453 -1.709 -0.873
H11 0.927 2.357 0.874
H12 0.927 2.357 -0.874
H13 -0.569 2.707 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.61883.64622.44392.39261.48574.24964.24964.31504.31501.08221.08221.0778
C23.61881.53112.35971.42652.23131.07901.07902.18422.18423.96743.96744.3432
C33.64621.53111.45922.31852.18542.19842.19841.08181.08184.19944.19944.0090
N42.44392.35971.45922.21421.24383.10463.10462.09522.09523.13253.13252.6003
O52.39261.42652.31852.21421.34312.04122.04123.07053.07052.67002.67003.2956
C61.48572.23132.18541.24381.34312.95372.95372.92322.92322.11222.11222.1123
H74.24961.07902.19843.10462.04122.95371.76062.37422.95164.35554.69565.0081
H84.24961.07902.19843.10462.04122.95371.76062.95162.37424.69564.35555.0081
H94.31502.18421.08182.09523.07052.92322.37422.95161.74664.71145.02504.5871
H104.31502.18421.08182.09523.07052.92322.95162.37421.74665.02504.71144.5871
H111.08223.96744.19943.13252.67002.11224.35554.69564.71145.02501.74851.7679
H121.08223.96744.19943.13252.67002.11224.69564.35555.02504.71141.74851.7679
H131.07784.34324.00902.60033.29562.11235.00815.00814.58714.58711.76791.7679

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 126.891 C1 C6 O5 115.427
C2 C3 N4 104.185 C2 C3 H9 112.288
C2 C3 H10 112.288 C2 O5 C6 107.310
C3 C2 O5 103.188 C3 C2 H7 113.635
C3 C2 H8 113.635 C3 N4 C6 107.635
N4 C3 H9 110.207 N4 C3 H10 110.207
N4 C6 O5 117.682 O5 C2 H7 108.318
O5 C2 H8 108.318 C6 C1 H11 109.679
C6 C1 H12 109.679 C6 C1 H13 109.959
H7 C2 H8 109.341 H9 C3 H10 107.665
H11 C1 H12 107.768 H11 C1 H13 109.862
H12 C1 H13 109.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.190      
2 C 0.119      
3 C 0.079      
4 N -0.392      
5 O -0.398      
6 C 0.348      
7 H 0.048      
8 H 0.048      
9 H 0.043      
10 H 0.043      
11 H 0.075      
12 H 0.075      
13 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.098 -0.887 0.000 1.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.591 1.907 0.000
y 1.907 -29.828 0.000
z 0.000 0.000 -35.290
Traceless
 xyz
x -9.032 1.907 0.000
y 1.907 8.613 0.000
z 0.000 0.000 0.419
Polar
3z2-r20.838
x2-y2-11.763
xy1.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.820 0.673 0.000
y 0.673 9.048 0.000
z 0.000 0.000 6.150


<r2> (average value of r2) Å2
<r2> 146.333
(<r2>)1/2 12.097