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

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-286.490513
Energy at 298.15K-286.499254
HF Energy-286.490513
Nuclear repulsion energy238.171315
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 BLYP/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' 3095 3070 7.67      
2 A' 2988 2964 54.84      
3 A' 2985 2961 11.79      
4 A' 2970 2946 50.14      
5 A' 1672 1658 112.01      
6 A' 1512 1500 0.34      
7 A' 1490 1478 0.73      
8 A' 1471 1459 10.86      
9 A' 1397 1386 15.16      
10 A' 1343 1332 16.01      
11 A' 1306 1296 16.38      
12 A' 1206 1196 96.07      
13 A' 1047 1039 0.78      
14 A' 945 937 73.92      
15 A' 934 926 14.61      
16 A' 911 903 25.08      
17 A' 867 860 19.44      
18 A' 729 723 4.84      
19 A' 639 634 1.81      
20 A' 338 335 5.26      
21 A" 3034 3009 13.50      
22 A" 3031 3007 52.88      
23 A" 2994 2970 10.20      
24 A" 1468 1456 7.69      
25 A" 1221 1211 0.10      
26 A" 1182 1172 1.03      
27 A" 1097 1089 0.02      
28 A" 1046 1037 3.13      
29 A" 813 807 0.15      
30 A" 569 565 4.72      
31 A" 228 226 9.25      
32 A" 132 131 1.00      
33 A" 82 81 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23370.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 23180.8 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 BLYP/6-31G*
ABC
0.25174 0.11199 0.08109

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.342 2.149 0.000
C2 0.553 -1.515 0.000
C3 -1.003 -1.299 0.000
N4 -1.178 0.171 0.000
O5 1.089 -0.163 0.000
C6 0.000 0.682 0.000
H7 0.926 -2.040 0.894
H8 0.926 -2.040 -0.894
H9 -1.492 -1.736 0.887
H10 -1.492 -1.736 -0.887
H11 0.945 2.403 0.888
H12 0.945 2.403 -0.888
H13 -0.580 2.743 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.67023.70112.49502.42951.50654.32344.32344.38764.38761.10231.10231.0968
C23.67021.57162.41651.45482.26561.10211.10212.24052.24054.03644.03644.4061
C33.70111.57161.47992.38132.22032.25212.25211.10331.10334.27624.27624.0637
N42.49502.41651.47992.29171.28403.18043.18042.12692.12693.20563.20562.6407
O52.42951.45482.38132.29171.37852.08632.08633.15113.15112.71872.71873.3508
C61.50652.26562.22031.28401.37853.01133.01132.97712.97712.15462.15462.1409
H74.32341.10212.25213.18042.08633.01131.78882.43713.01874.44354.78745.0937
H84.32341.10212.25213.18042.08633.01131.78883.01872.43714.78744.44355.0937
H94.38762.24051.10332.12693.15112.97712.43713.01871.77384.80375.12104.6567
H104.38762.24051.10332.12693.15112.97713.01872.43711.77385.12104.80374.6567
H111.10234.03644.27623.20562.71872.15464.44354.78744.80375.12101.77511.7965
H121.10234.03644.27623.20562.71872.15464.78744.44355.12104.80371.77511.7965
H131.09684.40614.06372.64073.35082.14095.09375.09374.65674.65671.79651.7965

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 126.594 C1 C6 O5 114.651
C2 C3 N4 104.686 C2 C3 H9 112.599
C2 C3 H10 112.599 C2 O5 C6 106.162
C3 C2 O5 103.711 C3 C2 H7 113.604
C3 C2 H8 113.604 C3 N4 C6 106.686
N4 C3 H9 109.989 N4 C3 H10 109.989
N4 C6 O5 118.754 O5 C2 H7 108.573
O5 C2 H8 108.573 C6 C1 H11 110.398
C6 C1 H12 110.398 C6 C1 H13 109.641
H7 C2 H8 108.491 H9 C3 H10 106.992
H11 C1 H12 107.255 H11 C1 H13 109.556
H12 C1 H13 109.556
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.476      
2 C -0.047      
3 C -0.159      
4 N -0.414      
5 O -0.440      
6 C 0.489      
7 H 0.139      
8 H 0.139      
9 H 0.139      
10 H 0.139      
11 H 0.161      
12 H 0.161      
13 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.914 -0.857 0.000 1.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.557 1.721 0.000
y 1.721 -29.789 0.000
z 0.000 0.000 -35.108
Traceless
 xyz
x -8.109 1.721 0.000
y 1.721 8.044 0.000
z 0.000 0.000 0.065
Polar
3z2-r20.130
x2-y2-10.769
xy1.721
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.545 0.678 0.000
y 0.678 9.298 0.000
z 0.000 0.000 5.631


<r2> (average value of r2) Å2
<r2> 151.344
(<r2>)1/2 12.302