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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-286.574220
Energy at 298.15K-286.583151
Nuclear repulsion energy241.415773
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 mPW1PW91/aug-cc-pVDZ
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 3202 3068 3.98      
2 A 3088 2959 56.51      
3 A 3075 2947 9.90      
4 A 3070 2942 39.80      
5 A 1766 1692 157.80      
6 A 1519 1456 4.53      
7 A 1493 1431 0.43      
8 A 1456 1395 10.01      
9 A 1414 1355 64.55      
10 A 1371 1314 8.20      
11 A 1334 1278 9.74      
12 A 1259 1206 87.52      
13 A 1096 1050 5.21      
14 A 1047 1003 89.18      
15 A 1000 958 2.54      
16 A 964 924 18.35      
17 A 925 886 25.52      
18 A 764 732 5.28      
19 A 672 644 2.26      
20 A 352 337 6.69      
21 A 3148 3017 6.55      
22 A 3144 3013 35.43      
23 A 3106 2976 6.79      
24 A 1456 1395 8.87      
25 A 1245 1193 0.09      
26 A 1216 1165 2.63      
27 A 1118 1072 0.08      
28 A 1051 1007 2.74      
29 A 833 798 0.18      
30 A 601 576 4.44      
31 A 241 230 11.05      
32 A 137 131 0.68      
33 A 56 53 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24108.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23102.9 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 mPW1PW91/aug-cc-pVDZ
ABC
0.25982 0.11477 0.08335

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.326 2.126 0.000
C2 0.547 -1.496 0.000
C3 -0.981 -1.288 0.000
N4 -1.163 0.163 0.000
O5 1.078 -0.157 0.000
C6 0.000 0.678 0.000
H7 0.922 -2.010 0.893
H8 0.922 -2.010 -0.893
H9 -1.465 -1.722 0.884
H10 -1.465 -1.722 -0.884
H11 0.924 2.377 0.885
H12 0.924 2.377 -0.885
H13 -0.598 2.707 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.62893.65582.46432.40291.48424.27274.27274.33604.33601.09701.09701.0918
C23.62891.54202.38291.44092.24211.09621.09622.21002.21003.99113.99114.3564
C33.65581.54201.46252.34892.19722.22222.22221.09791.09794.22454.22454.0134
N42.46432.38291.46252.26351.27223.14103.14102.10412.10413.16923.16922.6061
O52.40291.44092.34892.26351.36302.06302.06303.11463.11462.68822.68823.3177
C61.48422.24212.19721.27221.36302.97852.97852.94802.94802.12702.12702.1152
H74.27271.09622.22223.14102.06302.97851.78622.40462.99024.38694.73355.0353
H84.27271.09622.22223.14102.06302.97851.78622.99022.40464.73354.38695.0353
H94.33602.21001.09792.10413.11462.94802.40462.99021.76864.74515.06424.5991
H104.33602.21001.09792.10413.11462.94802.99022.40461.76865.06424.74514.5991
H111.09703.99114.22453.16922.68822.12704.38694.73354.74515.06421.76951.7913
H121.09703.99114.22453.16922.68822.12704.73354.38695.06424.74511.76951.7913
H131.09184.35644.01342.60613.31772.11525.03535.03534.59914.59911.79131.7913

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 126.591 C1 C6 O5 115.051
C2 C3 N4 104.925 C2 C3 H9 112.591
C2 C3 H10 112.591 C2 O5 C6 106.156
C3 C2 O5 103.845 C3 C2 H7 113.696
C3 C2 H8 113.696 C3 N4 C6 106.716
N4 C3 H9 109.703 N4 C3 H10 109.703
N4 C6 O5 118.358 O5 C2 H7 108.041
O5 C2 H8 108.041 C6 C1 H11 110.079
C6 C1 H12 110.079 C6 C1 H13 109.446
H7 C2 H8 109.117 H9 C3 H10 107.306
H11 C1 H12 107.521 H11 C1 H13 109.847
H12 C1 H13 109.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.521      
2 C 1.060      
3 C 0.637      
4 N -0.460      
5 O -0.714      
6 C 0.246      
7 H -0.287      
8 H -0.287      
9 H -0.284      
10 H -0.284      
11 H -0.027      
12 H -0.027      
13 H -0.093      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.030 -0.829 0.000 1.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.373 1.848 0.000
y 1.848 -29.879 0.000
z 0.000 0.000 -35.326
Traceless
 xyz
x -8.771 1.848 0.000
y 1.848 8.470 0.000
z 0.000 0.000 0.300
Polar
3z2-r20.601
x2-y2-11.494
xy1.848
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.858 0.587 0.000
y 0.587 10.319 0.000
z 0.000 0.000 6.753


<r2> (average value of r2) Å2
<r2> 148.230
(<r2>)1/2 12.175