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

using model chemistry: BLYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-286.514946
Energy at 298.15K-286.523619
Nuclear repulsion energy237.906210
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/6-31+G**
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 3089 3072 6.09      
2 A 2989 2973 55.49      
3 A 2979 2963 14.08      
4 A 2970 2954 45.35      
5 A 1656 1648 136.36      
6 A 1487 1479 1.32      
7 A 1465 1457 0.22      
8 A 1445 1437 13.52      
9 A 1377 1370 18.96      
10 A 1327 1320 15.92      
11 A 1293 1286 11.06      
12 A 1191 1185 106.23      
13 A 1037 1032 0.75      
14 A 930 925 27.26      
15 A 929 924 60.62      
16 A 903 898 28.75      
17 A 859 855 28.11      
18 A 725 721 5.22      
19 A 634 631 1.25      
20 A 340 339 6.87      
21 A 3036 3020 41.66      
22 A 3032 3015 9.60      
23 A 2996 2980 9.21      
24 A 1445 1437 10.07      
25 A 1208 1202 0.23      
26 A 1171 1164 2.17      
27 A 1087 1081 0.03      
28 A 1032 1026 2.02      
29 A 808 804 0.11      
30 A 572 569 3.59      
31 A 229 228 11.95      
32 A 123 122 0.73      
33 A 52 51 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23207.0 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 23084.0 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/6-31+G**
ABC
0.25211 0.11143 0.08084

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.341 2.153 0.000
C2 0.546 -1.529 0.000
C3 -1.002 -1.303 0.000
N4 -1.180 0.174 0.000
O5 1.098 -0.163 0.000
C6 0.000 0.691 0.000
H7 0.922 -2.041 0.899
H8 0.922 -2.041 -0.899
H9 -1.492 -1.733 0.889
H10 -1.492 -1.733 -0.889
H11 0.942 2.407 0.888
H12 0.942 2.407 -0.888
H13 -0.582 2.746 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.68813.70802.49602.43651.50144.32894.32894.38814.38811.10231.10231.0972
C23.68811.56392.42481.47402.28631.10081.10082.23262.23264.05474.05474.4213
C33.70801.56391.48802.38982.23162.24832.24831.10281.10284.28184.28184.0706
N42.49602.42481.48802.30311.28823.18383.18382.12762.12763.20613.20612.6402
O52.43651.47402.38982.30311.39112.08992.08993.15713.15712.72352.72353.3591
C61.50142.28632.23161.28821.39113.02063.02062.98222.98222.14992.14992.1357
H74.32891.10082.24833.18382.08993.02061.79712.43403.02014.44854.79395.0979
H84.32891.10082.24833.18382.08993.02061.79713.02012.43404.79394.44855.0979
H94.38812.23261.10282.12763.15712.98222.43403.02011.77884.80285.12134.6562
H104.38812.23261.10282.12763.15712.98223.02012.43401.77885.12134.80284.6562
H111.10234.05474.28183.20612.72352.14994.44854.79394.80285.12131.77671.7966
H121.10234.05474.28183.20612.72352.14994.79394.44855.12134.80281.77671.7966
H131.09724.42134.07062.64023.35912.13575.09795.09794.65624.65621.79661.7966

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 126.784 C1 C6 O5 114.724
C2 C3 N4 105.192 C2 C3 H9 112.546
C2 C3 H10 112.546 C2 O5 C6 105.836
C3 C2 O5 103.708 C3 C2 H7 113.950
C3 C2 H8 113.950 C3 N4 C6 106.772
N4 C3 H9 109.508 N4 C3 H10 109.508
N4 C6 O5 118.492 O5 C2 H7 107.638
O5 C2 H8 107.638 C6 C1 H11 110.379
C6 C1 H12 110.379 C6 C1 H13 109.560
H7 C2 H8 109.435 H9 C3 H10 107.500
H11 C1 H12 107.400 H11 C1 H13 109.545
H12 C1 H13 109.545
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.782      
2 C -0.070      
3 C -0.199      
4 N -0.290      
5 O -0.314      
6 C 0.557      
7 H 0.143      
8 H 0.143      
9 H 0.147      
10 H 0.147      
11 H 0.170      
12 H 0.170      
13 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.931 -0.989 0.000 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.503 2.013 0.000
y 2.013 -30.245 0.000
z 0.000 0.000 -36.118
Traceless
 xyz
x -9.322 2.013 0.000
y 2.013 9.065 0.000
z 0.000 0.000 0.256
Polar
3z2-r20.513
x2-y2-12.258
xy2.013
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 152.408
(<r2>)1/2 12.345