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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-284.888650
Energy at 298.15K-284.897634
HF Energy-284.888650
Nuclear repulsion energy237.946551
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 M06-2X/3-21G*
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' 3234 3063 1.17      
2 A' 3106 2942 2.47      
3 A' 3092 2928 20.58      
4 A' 3083 2920 17.86      
5 A' 1750 1657 104.92      
6 A' 1576 1493 1.18      
7 A' 1546 1464 5.44      
8 A' 1540 1459 9.38      
9 A' 1465 1387 22.41      
10 A' 1381 1309 14.76      
11 A' 1333 1263 1.29      
12 A' 1256 1189 111.50      
13 A' 1102 1044 1.36      
14 A' 1005 952 55.20      
15 A' 941 891 2.39      
16 A' 923 874 37.33      
17 A' 889 842 14.18      
18 A' 754 714 11.34      
19 A' 660 625 4.01      
20 A' 331 314 6.03      
21 A" 3162 2995 2.43      
22 A" 3151 2984 20.20      
23 A" 3124 2959 0.67      
24 A" 1550 1468 12.24      
25 A" 1279 1211 0.14      
26 A" 1211 1147 0.49      
27 A" 1124 1065 5.03      
28 A" 1101 1043 2.08      
29 A" 830 786 0.11      
30 A" 580 549 6.48      
31 A" 239 226 11.71      
32 A" 187 177 4.37      
33 A" 96 91 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 24298.3 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 23015.3 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 M06-2X/3-21G*
ABC
0.25287 0.11125 0.08081

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.373 2.145 0.000
C2 0.526 -1.542 0.000
C3 -1.022 -1.300 0.000
N4 -1.171 0.201 0.000
O5 1.098 -0.175 0.000
C6 0.000 0.702 0.000
H7 0.872 -2.057 0.896
H8 0.872 -2.057 -0.896
H9 -1.506 -1.704 0.890
H10 -1.506 -1.704 -0.890
H11 0.976 2.368 0.885
H12 0.976 2.368 -0.885
H13 -0.533 2.749 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.69033.71652.48262.43031.49064.32574.32574.37494.37491.09371.09371.0889
C23.69031.56662.43281.48222.30481.09001.09002.22462.22464.03434.03434.4198
C33.71651.56661.50832.39972.24742.22782.22781.09111.09114.26964.26964.0781
N42.48262.43281.50832.29981.27373.17453.17452.12932.12933.17653.17652.6265
O52.43031.48222.39972.29981.40482.09722.09723.14843.14842.69512.69513.3477
C61.49062.30482.24741.27371.40483.02923.02922.97482.97482.12422.12422.1153
H74.32571.09002.22783.17452.09723.02921.79222.40432.99534.42684.77155.0870
H84.32571.09002.22783.17452.09723.02921.79222.99532.40434.77154.42685.0870
H94.37492.22461.09112.12933.14842.97482.40432.99531.78044.76935.08884.6441
H104.37492.22461.09112.12933.14842.97482.99532.40431.78045.08884.76934.6441
H111.09374.03434.26963.17652.69512.12424.42684.77154.76935.08881.76931.7905
H121.09374.03434.26963.17652.69512.12424.77154.42685.08884.76931.76931.7905
H131.08894.41984.07812.62653.34772.11535.08705.08704.64414.64411.79051.7905

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 127.642 C1 C6 O5 114.116
C2 C3 N4 104.577 C2 C3 H9 112.421
C2 C3 H10 112.421 C2 O5 C6 105.914
C3 C2 O5 103.797 C3 C2 H7 112.746
C3 C2 H8 112.746 C3 N4 C6 107.471
N4 C3 H9 108.944 N4 C3 H10 108.944
N4 C6 O5 118.241 O5 C2 H7 108.280
O5 C2 H8 108.280 C6 C1 H11 109.605
C6 C1 H12 109.605 C6 C1 H13 109.187
H7 C2 H8 110.591 H9 C3 H10 109.343
H11 C1 H12 107.962 H11 C1 H13 110.233
H12 C1 H13 110.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.613      
2 C -0.190      
3 C -0.320      
4 N -0.487      
5 O -0.519      
6 C 0.509      
7 H 0.223      
8 H 0.223      
9 H 0.232      
10 H 0.232      
11 H 0.236      
12 H 0.236      
13 H 0.238      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.630 -1.133 0.000 1.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.616 2.373 0.000
y 2.373 -28.731 0.000
z 0.000 0.000 -35.373
Traceless
 xyz
x -9.564 2.373 0.000
y 2.373 9.763 0.000
z 0.000 0.000 -0.199
Polar
3z2-r2-0.399
x2-y2-12.885
xy2.373
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.729 0.694 0.000
y 0.694 8.248 0.000
z 0.000 0.000 4.930


<r2> (average value of r2) Å2
<r2> 151.557
(<r2>)1/2 12.311