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

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-286.444096
Energy at 298.15K-286.452796
HF Energy-286.444096
Nuclear repulsion energy239.369351
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 B97D3/6-31+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' 3126 3072 6.87      
2 A' 3016 2964 62.46      
3 A' 3006 2954 15.49      
4 A' 2996 2944 51.46      
5 A' 1691 1661 144.36      
6 A' 1499 1473 1.71      
7 A' 1475 1450 0.15      
8 A' 1454 1429 12.20      
9 A' 1389 1365 30.19      
10 A' 1344 1321 16.76      
11 A' 1307 1285 12.31      
12 A' 1215 1194 103.81      
13 A' 1054 1036 1.24      
14 A' 963 947 97.50      
15 A' 950 934 0.95      
16 A' 921 905 24.90      
17 A' 879 864 24.87      
18 A' 739 726 5.17      
19 A' 650 639 1.36      
20 A' 344 338 6.76      
21 A" 3069 3017 11.98      
22 A" 3069 3016 43.89      
23 A" 3029 2977 9.90      
24 A" 1454 1429 9.95      
25 A" 1220 1199 0.19      
26 A" 1187 1167 2.23      
27 A" 1097 1078 0.03      
28 A" 1038 1020 2.05      
29 A" 816 802 0.14      
30 A" 578 568 3.66      
31 A" 228 224 12.04      
32 A" 118 116 0.71      
33 A" 39 38 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 23478.1 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 23074.3 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 B97D3/6-31+G**
ABC
0.25496 0.11291 0.08189

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.336 2.141 0.000
C2 0.547 -1.516 0.000
C3 -0.994 -1.296 0.000
N4 -1.175 0.170 0.000
O5 1.091 -0.160 0.000
C6 0.000 0.685 0.000
H7 0.922 -2.027 0.896
H8 0.922 -2.027 -0.896
H9 -1.480 -1.728 0.887
H10 -1.480 -1.728 -0.887
H11 0.934 2.393 0.886
H12 0.934 2.393 -0.886
H13 -0.587 2.728 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 C6 H7 H8 H9 H10 H11 H12 H13
C13.66253.68502.48312.42141.49424.30304.30304.36434.36431.09851.09851.0935
C23.66251.55602.40911.46072.26731.09751.09752.22202.22204.02634.02634.3920
C33.68501.55601.47692.37382.21612.23732.23731.09951.09954.25564.25564.0440
N42.48312.40911.47692.28911.28263.16583.16582.11662.11663.18973.18972.6243
O52.42141.46072.37382.28911.37952.07772.07773.13853.13852.70672.70673.3394
C61.49422.26732.21611.28261.37953.00093.00092.96592.96592.13892.13892.1254
H74.30301.09752.23733.16582.07773.00091.79152.41993.00554.41994.76545.0679
H84.30301.09752.23733.16582.07773.00091.79153.00552.41994.76544.41995.0679
H94.36432.22201.09952.11663.13852.96592.41993.00551.77354.77565.09404.6295
H104.36432.22201.09952.11663.13852.96593.00552.41991.77355.09404.77564.6295
H111.09854.02634.25563.18972.70672.13894.41994.76544.77565.09401.77171.7920
H121.09854.02634.25563.18972.70672.13894.76544.41995.09404.77561.77171.7920
H131.09354.39204.04402.62433.33942.12545.06795.06794.62954.62951.79201.7920

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 126.883 C1 C6 O5 115.029
C2 C3 N4 104.993 C2 C3 H9 112.475
C2 C3 H10 112.475 C2 O5 C6 106.330
C3 C2 O5 103.661 C3 C2 H7 113.756
C3 C2 H8 113.756 C3 N4 C6 106.929
N4 C3 H9 109.735 N4 C3 H10 109.735
N4 C6 O5 118.088 O5 C2 H7 108.019
O5 C2 H8 108.019 C6 C1 H11 110.244
C6 C1 H12 110.244 C6 C1 H13 109.580
H7 C2 H8 109.203 H9 C3 H10 107.409
H11 C1 H12 107.470 H11 C1 H13 109.637
H12 C1 H13 109.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.734      
2 C -0.049      
3 C -0.199      
4 N -0.262      
5 O -0.299      
6 C 0.385      
7 H 0.151      
8 H 0.151      
9 H 0.155      
10 H 0.155      
11 H 0.179      
12 H 0.179      
13 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.973 -0.976 0.000 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.904 1.969 0.000
y 1.969 -29.782 0.000
z 0.000 0.000 -35.633
Traceless
 xyz
x -9.196 1.969 0.000
y 1.969 8.986 0.000
z 0.000 0.000 0.210
Polar
3z2-r20.420
x2-y2-12.122
xy1.969
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.885 0.569 0.000
y 0.569 10.130 0.000
z 0.000 0.000 6.574


<r2> (average value of r2) Å2
<r2> 150.483
(<r2>)1/2 12.267