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

using model chemistry: wB97X-D/6-31G*

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/6-31G*
 hartrees
Energy at 0K-286.513350
Energy at 298.15K-286.522314
HF Energy-286.513350
Nuclear repulsion energy 
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/6-31G*
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' 3207 3042 4.95      
2 A' 3105 2945 50.20      
3 A' 3090 2931 43.94      
4 A' 3086 2927 9.35      
5 A' 1796 1704 153.34      
6 A' 1571 1490 1.84      
7 A' 1545 1465 0.05      
8 A' 1509 1431 8.72      
9 A' 1457 1382 56.56      
10 A' 1409 1337 14.94      
11 A' 1374 1304 10.16      
12 A' 1291 1224 109.80      
13 A' 1115 1058 3.15      
14 A' 1067 1012 91.90      
15 A' 1013 961 1.33      
16 A' 972 922 20.29      
17 A' 935 887 15.64      
18 A' 770 730 5.90      
19 A' 674 639 2.80      
20 A' 355 336 6.07      
21 A" 3157 2995 49.66      
22 A" 3156 2993 6.43      
23 A" 3127 2965 6.51      
24 A" 1513 1435 9.89      
25 A" 1274 1208 0.14      
26 A" 1241 1177 1.52      
27 A" 1144 1085 0.00      
28 A" 1083 1027 4.45      
29 A" 854 810 0.38      
30 A" 603 572 6.27      
31 A" 243 230 10.62      
32 A" 127 120 1.21      
33 A" 83 78 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 24471.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 23211.5 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/6-31G*
ABC
0.25961 0.11489 0.08338

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.340 2.126 0.000
C2 0.542 -1.500 0.000
C3 -0.987 -1.285 0.000
N4 -1.164 0.171 0.000
O5 1.074 -0.162 0.000
C6 0.000 0.676 0.000
H7 0.914 -2.012 0.891
H8 0.914 -2.012 -0.891
H9 -1.469 -1.716 0.883
H10 -1.469 -1.716 -0.883
H11 0.937 2.372 0.883
H12 0.937 2.372 -0.883
H13 -0.577 2.716 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.63153.66012.46692.40301.48974.27174.27174.33774.33771.09431.09431.0901
C23.63151.54412.38821.43982.24201.09301.09302.20722.20723.99073.99074.3619
C33.66011.54411.46672.34732.19512.22142.22141.09481.09484.22554.22554.0221
N42.46692.38821.46672.26331.26923.14283.14282.10582.10583.16883.16882.6122
O52.40301.43982.34732.26331.36222.05982.05983.10883.10882.68682.68683.3180
C61.48972.24202.19511.26921.36222.97542.97542.94282.94282.12962.12962.1204
H74.27171.09302.22143.14282.05982.97541.78242.40082.98544.38394.72945.0369
H84.27171.09302.22143.14282.05982.97541.78242.98542.40084.72944.38395.0369
H94.33772.20721.09482.10583.10882.94282.40082.98541.76674.74365.06194.6068
H104.33772.20721.09482.10583.10882.94282.98542.40081.76675.06194.74364.6068
H111.09433.99074.22553.16882.68682.12964.38394.72944.74365.06191.76671.7863
H121.09433.99074.22553.16882.68682.12964.72944.38395.06194.74361.76671.7863
H131.09014.36194.02212.61223.31802.12045.03695.03694.60684.60681.78631.7863

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 126.625 C1 C6 O5 114.759
C2 C3 N4 104.946 C2 C3 H9 112.406
C2 C3 H10 112.406 C2 O5 C6 106.256
C3 C2 O5 103.694 C3 C2 H7 113.684
C3 C2 H8 113.684 C3 N4 C6 106.488
N4 C3 H9 109.740 N4 C3 H10 109.740
N4 C6 O5 118.616 O5 C2 H7 108.054
O5 C2 H8 108.054 C6 C1 H11 110.068
C6 C1 H12 110.068 C6 C1 H13 109.581
H7 C2 H8 109.253 H9 C3 H10 107.579
H11 C1 H12 107.654 H11 C1 H13 109.722
H12 C1 H13 109.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.570      
2 C -0.096      
3 C -0.226      
4 N -0.452      
5 O -0.490      
6 C 0.518      
7 H 0.178      
8 H 0.178      
9 H 0.180      
10 H 0.180      
11 H 0.197      
12 H 0.197      
13 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.005 -0.942 0.000 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.545 1.813 0.000
y 1.813 -29.126 0.000
z 0.000 0.000 -34.755
Traceless
 xyz
x -8.604 1.813 0.000
y 1.813 8.524 0.000
z 0.000 0.000 0.080
Polar
3z2-r20.160
x2-y2-11.419
xy1.813
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.267 0.674 0.000
y 0.674 8.615 0.000
z 0.000 0.000 5.526


<r2> (average value of r2) Å2
<r2> 147.716
(<r2>)1/2 12.154