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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-286.613352
Energy at 298.15K-286.622341
HF Energy-286.613352
Nuclear repulsion energy242.215043
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/cc-pVTZ
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' 3184 3044 4.46      
2 A' 3088 2952 55.86      
3 A' 3075 2940 39.45      
4 A' 3068 2933 8.31      
5 A' 1776 1697 164.98      
6 A' 1546 1478 3.55      
7 A' 1522 1455 0.22      
8 A' 1477 1412 10.08      
9 A' 1434 1371 59.59      
10 A' 1390 1328 10.90      
11 A' 1358 1299 4.95      
12 A' 1276 1220 107.60      
13 A' 1103 1055 3.11      
14 A' 1050 1004 94.92      
15 A' 1005 960 0.70      
16 A' 965 922 20.99      
17 A' 930 889 18.92      
18 A' 767 734 5.95      
19 A' 672 642 2.04      
20 A' 357 342 6.03      
21 A" 3137 2999 40.62      
22 A" 3134 2996 6.94      
23 A" 3107 2970 4.35      
24 A" 1485 1420 8.77      
25 A" 1264 1209 0.30      
26 A" 1232 1178 2.46      
27 A" 1137 1087 0.06      
28 A" 1071 1024 3.14      
29 A" 850 813 0.19      
30 A" 613 586 4.43      
31 A" 246 235 10.36      
32 A" 116 110 0.96      
33 A" 83 79 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24258.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 23191.2 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/cc-pVTZ
ABC
0.26186 0.11532 0.08380

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.335 2.122 0.000
C2 0.541 -1.497 0.000
C3 -0.983 -1.286 0.000
N4 -1.157 0.169 0.000
O5 1.072 -0.159 0.000
C6 0.000 0.676 0.000
H7 0.909 -2.008 0.888
H8 0.909 -2.008 -0.888
H9 -1.461 -1.716 0.880
H10 -1.461 -1.716 -0.880
H11 0.929 2.366 0.880
H12 0.929 2.366 -0.880
H13 -0.580 2.707 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.62513.65352.45772.39751.48424.26344.26344.32794.32791.08971.08971.0854
C23.62511.53792.37861.43942.23941.08861.08862.19762.19763.98113.98114.3508
C33.65351.53791.46512.34292.19422.21072.21071.09011.09014.21484.21484.0129
N42.45772.37861.46512.25281.26343.12973.12972.10232.10233.15513.15512.6028
O52.39751.43942.34292.25281.35872.05752.05753.10053.10052.67792.67793.3079
C61.48422.23942.19421.26341.35872.96962.96962.93802.93802.11982.11982.1120
H74.26341.08862.21073.12972.05752.96961.77602.38792.97114.37414.71795.0235
H84.26341.08862.21073.12972.05752.96961.77602.97112.38794.71794.37415.0235
H94.32792.19761.09012.10233.10052.93802.38792.97111.75974.73065.04734.5950
H104.32792.19761.09012.10233.10052.93802.97112.38791.75975.04734.73064.5950
H111.08973.98114.21483.15512.67792.11984.37414.71794.73065.04731.75981.7799
H121.08973.98114.21483.15512.67792.11984.71794.37415.04734.73061.75981.7799
H131.08544.35084.01292.60283.30792.11205.02355.02354.59504.59501.77991.7799

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 126.693 C1 C6 O5 114.912
C2 C3 N4 104.740 C2 C3 H9 112.373
C2 C3 H10 112.373 C2 O5 C6 106.289
C3 C2 O5 103.748 C3 C2 H7 113.542
C3 C2 H8 113.542 C3 N4 C6 106.827
N4 C3 H9 109.856 N4 C3 H10 109.856
N4 C6 O5 118.396 O5 C2 H7 108.152
O5 C2 H8 108.152 C6 C1 H11 109.942
C6 C1 H12 109.942 C6 C1 H13 109.576
H7 C2 H8 109.314 H9 C3 H10 107.625
H11 C1 H12 107.699 H11 C1 H13 109.829
H12 C1 H13 109.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C 0.029      
3 C -0.051      
4 N -0.249      
5 O -0.267      
6 C 0.168      
7 H 0.071      
8 H 0.071      
9 H 0.076      
10 H 0.076      
11 H 0.094      
12 H 0.094      
13 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.029 -0.866 0.000 1.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.863 1.831 0.000
y 1.831 -29.666 0.000
z 0.000 0.000 -34.976
Traceless
 xyz
x -8.543 1.831 0.000
y 1.831 8.254 0.000
z 0.000 0.000 0.289
Polar
3z2-r20.578
x2-y2-11.198
xy1.831
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.119 0.633 0.000
y 0.633 9.632 0.000
z 0.000 0.000 6.293


<r2> (average value of r2) Å2
<r2> 147.281
(<r2>)1/2 12.136