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

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-284.933059
Energy at 298.15K-284.942018
HF Energy-284.933059
Nuclear repulsion energy238.353472
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 wB97X-D/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' 3211 3043 2.03      
2 A' 3137 2973 25.41      
3 A' 3127 2964 27.54      
4 A' 3098 2937 3.96      
5 A' 1744 1653 105.05      
6 A' 1581 1498 2.13      
7 A' 1557 1476 1.59      
8 A' 1540 1459 14.69      
9 A' 1467 1391 27.60      
10 A' 1383 1311 13.59      
11 A' 1343 1273 1.73      
12 A' 1260 1194 120.24      
13 A' 1103 1045 1.05      
14 A' 988 937 55.79      
15 A' 944 895 3.50      
16 A' 926 877 39.56      
17 A' 886 840 15.50      
18 A' 757 718 10.65      
19 A' 663 628 3.63      
20 A' 335 318 6.35      
21 A" 3197 3030 30.71      
22 A" 3172 3007 0.13      
23 A" 3161 2996 4.03      
24 A" 1547 1466 13.38      
25 A" 1288 1221 0.13      
26 A" 1219 1156 0.20      
27 A" 1127 1068 4.73      
28 A" 1107 1049 3.37      
29 A" 849 804 0.00      
30 A" 584 554 5.51      
31 A" 240 228 14.59      
32 A" 134 127 1.99      
33 A" 120 113 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 24396.7 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 23123.2 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 wB97X-D/3-21G*
ABC
0.25377 0.11167 0.08113

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.332 2.158 0.000
C2 0.549 -1.536 0.000
C3 -0.997 -1.315 0.000
N4 -1.163 0.177 0.000
O5 1.089 -0.158 0.000
C6 0.000 0.706 0.000
H7 0.905 -2.054 0.893
H8 0.905 -2.054 -0.893
H9 -1.474 -1.740 0.886
H10 -1.474 -1.740 -0.886
H11 0.928 2.402 0.884
H12 0.928 2.402 -0.884
H13 -0.590 2.738 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.70053.71822.48222.43631.48934.34334.34334.38674.38671.09411.09411.0893
C23.70051.56102.42181.48032.30851.09171.09172.21822.21824.05414.05414.4233
C33.71821.56101.50092.38472.25332.22652.22651.09301.09304.27804.27804.0732
N42.48222.42181.50092.27681.27813.17003.17002.13452.13453.17933.17932.6247
O52.43631.48032.38472.27681.39002.10382.10383.13993.13992.71322.71323.3472
C61.48932.30852.25331.27811.39003.03863.03862.99052.99052.12602.12602.1158
H74.34331.09172.22653.17002.10383.03861.78592.39962.98734.45604.79745.0983
H84.34331.09172.22653.17002.10383.03861.78592.98732.39964.79744.45605.0983
H94.38672.21821.09302.13453.13992.99052.39962.98731.77264.78845.10534.6498
H104.38672.21821.09302.13453.13992.99052.98732.39961.77265.10534.78844.6498
H111.09414.05414.27803.17932.71322.12604.45604.79744.78845.10531.76891.7886
H121.09414.05414.27803.17932.71322.12604.79744.45605.10534.78841.76891.7886
H131.08934.42334.07322.62473.34722.11585.09835.09834.64984.64981.78861.7886

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 127.355 C1 C6 O5 115.547
C2 C3 N4 104.532 C2 C3 H9 112.192
C2 C3 H10 112.192 C2 O5 C6 107.038
C3 C2 O5 103.243 C3 C2 H7 112.944
C3 C2 H8 112.944 C3 N4 C6 108.089
N4 C3 H9 109.751 N4 C3 H10 109.751
N4 C6 O5 117.097 O5 C2 H7 108.820
O5 C2 H8 108.820 C6 C1 H11 109.816
C6 C1 H12 109.816 C6 C1 H13 109.293
H7 C2 H8 109.751 H9 C3 H10 108.362
H11 C1 H12 107.877 H11 C1 H13 110.012
H12 C1 H13 110.012
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.669      
2 C -0.220      
3 C -0.346      
4 N -0.497      
5 O -0.508      
6 C 0.538      
7 H 0.235      
8 H 0.235      
9 H 0.243      
10 H 0.243      
11 H 0.247      
12 H 0.247      
13 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.715 -1.162 0.000 1.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.182 2.233 0.000
y 2.233 -28.381 0.000
z 0.000 0.000 -34.984
Traceless
 xyz
x -9.499 2.233 0.000
y 2.233 9.702 0.000
z 0.000 0.000 -0.202
Polar
3z2-r2-0.405
x2-y2-12.801
xy2.233
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.760 0.648 0.000
y 0.648 8.224 0.000
z 0.000 0.000 5.002


<r2> (average value of r2) Å2
<r2> 150.853
(<r2>)1/2 12.282