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

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-285.103058
Energy at 298.15K-285.111848
Nuclear repulsion energy241.882489
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 LSDA/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 3122 3087 0.54      
2 A 3065 3031 1.43      
3 A 3052 3017 20.45      
4 A 3018 2984 12.15      
5 A 2991 2957 6.45      
6 A 2988 2954 34.56      
7 A 2973 2940 32.99      
8 A 1728 1709 143.39      
9 A 1440 1424 14.25      
10 A 1414 1398 2.41      
11 A 1383 1367 26.12      
12 A 1373 1358 11.60      
13 A 1358 1343 81.81      
14 A 1304 1289 3.77      
15 A 1266 1252 3.20      
16 A 1218 1204 51.13      
17 A 1185 1172 4.30      
18 A 1163 1150 2.61      
19 A 1069 1057 9.85      
20 A 1068 1056 9.14      
21 A 1032 1020 80.70      
22 A 997 986 3.81      
23 A 974 963 1.51      
24 A 944 934 8.68      
25 A 899 889 22.40      
26 A 812 803 2.12      
27 A 733 725 4.12      
28 A 669 661 2.43      
29 A 582 575 3.25      
30 A 341 337 6.77      
31 A 235 233 11.33      
32 A 128 126 0.76      
33 A 55 55 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 23289.6 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 23026.4 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 LSDA/aug-cc-pVDZ
ABC
0.26029 0.11567 0.08400

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.139 0.012 0.006
C2 1.382 -0.772 0.041
C3 1.419 0.761 -0.030
N4 0.028 1.173 0.027
O5 -0.016 -1.086 -0.044
C6 -0.671 0.105 0.001
H7 1.901 -1.278 -0.795
H8 1.765 -1.176 0.999
H9 1.874 1.138 -0.970
H10 1.988 1.215 0.805
H11 -2.491 -0.525 -0.896
H12 -2.486 -0.565 0.885
H13 -2.569 1.025 0.029

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.60713.63602.45852.39031.47074.31564.19944.28084.37191.10691.10681.1016
C23.60711.53522.36961.43542.23301.10601.10842.21592.21333.99233.96424.3408
C33.63601.53521.45162.33912.19082.23082.22081.10991.10784.20634.22403.9973
N42.45852.36961.45162.26031.27643.19233.07862.09842.10873.17513.17402.6015
O52.39031.43542.33912.26031.36022.06742.06603.06183.16702.67682.68973.3139
C61.47072.23302.19081.27641.36023.02712.92772.91352.99102.12472.12662.1096
H74.31561.10602.23083.19232.06743.02711.80172.42272.96374.45734.75105.0959
H84.19941.10842.22083.07862.06602.92771.80173.04012.40914.70394.29584.9569
H94.28082.21591.10992.09843.06182.91352.42273.04011.78034.67215.03474.5558
H104.37192.21331.10782.10873.16702.99102.96372.40911.78035.09704.81504.6262
H111.10693.99234.20633.17512.67682.12474.45734.70394.67215.09701.78091.8072
H121.10683.96424.22403.17402.68972.12664.75104.29585.03474.81501.78091.8078
H131.10164.34083.99732.60153.31392.10965.09594.95694.55584.62621.80721.8078

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 126.861 C1 C6 O5 115.152
C2 C3 N4 104.967 C2 C3 H9 112.814
C2 C3 H10 112.742 C2 O5 C6 105.991
C3 C2 O5 103.840 C3 C2 H7 114.281
C3 C2 H8 113.309 C3 N4 C6 106.677
N4 C3 H9 109.288 N4 C3 H10 110.237
N4 C6 O5 117.985 O5 C2 H7 108.180
O5 C2 H8 107.931 C6 C1 H11 110.233
C6 C1 H12 110.395 C6 C1 H13 109.354
H7 C2 H8 108.901 H9 C3 H10 106.791
H11 C1 H12 107.116 H11 C1 H13 109.828
H12 C1 H13 109.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.681      
2 C 1.138      
3 C 0.694      
4 N -0.147      
5 O -0.471      
6 C -0.106      
7 H -0.351      
8 H -0.363      
9 H -0.372      
10 H -0.354      
11 H -0.096      
12 H -0.099      
13 H -0.153      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.615 -1.176 -0.003 1.327
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.967 0.023 0.007
y 0.023 -42.019 -0.234
z 0.007 -0.234 -35.753
Traceless
 xyz
x 8.919 0.023 0.007
y 0.023 -9.159 -0.234
z 0.007 -0.234 0.240
Polar
3z2-r20.480
x2-y212.052
xy0.023
xz0.007
yz-0.234


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.137 0.309 -0.012
y 0.309 9.246 -0.028
z -0.012 -0.028 7.143


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000