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All results from a given calculation for C5H8O (2H-Pyran, 3,4-dihydro-)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-268.940741
Energy at 298.15K-268.950746
HF Energy-268.940741
Nuclear repulsion energy239.330267
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 M06-2X/3-21G*
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 3273 3100 12.23      
2 A 3219 3049 2.06      
3 A 3144 2978 19.55      
4 A 3132 2967 17.78      
5 A 3122 2957 12.57      
6 A 3081 2918 11.02      
7 A 3070 2907 30.08      
8 A 3050 2889 17.24      
9 A 1741 1649 51.02      
10 A 1563 1480 4.23      
11 A 1545 1464 4.35      
12 A 1535 1454 4.34      
13 A 1458 1381 1.27      
14 A 1415 1340 2.48      
15 A 1397 1324 0.77      
16 A 1391 1318 9.58      
17 A 1327 1257 2.76      
18 A 1306 1237 46.47      
19 A 1272 1205 17.23      
20 A 1243 1177 4.78      
21 A 1128 1068 4.53      
22 A 1121 1061 84.05      
23 A 1077 1020 4.77      
24 A 1060 1004 4.41      
25 A 1039 984 0.04      
26 A 939 890 10.88      
27 A 922 874 3.39      
28 A 897 850 19.76      
29 A 852 807 2.12      
30 A 800 758 25.39      
31 A 764 724 11.49      
32 A 518 491 8.33      
33 A 496 470 3.06      
34 A 460 436 19.21      
35 A 293 278 0.64      
36 A 180 171 5.63      

Unscaled Zero Point Vibrational Energy (zpe) 27414.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 25967.4 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 M06-2X/3-21G*
ABC
0.16938 0.15710 0.08907

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.701 1.814 -0.202
C2 0.919 1.075 -0.084
H3 -0.658 2.424 0.092
C4 -0.369 1.381 0.063
H5 -2.296 0.605 -0.494
H6 -1.823 0.219 1.164
C7 -1.448 0.317 0.137
H8 -0.742 -1.011 -1.431
H9 -1.537 -1.863 -0.086
C10 -0.871 -1.034 -0.344
H11 0.959 -2.194 -0.001
H12 0.404 -1.222 1.397
C13 0.504 -1.251 0.304
O14 1.447 -0.213 -0.112

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08232.45422.13094.18584.10223.50303.93224.90103.84074.08133.66853.32912.0453
C21.08232.08301.33183.27503.13192.49522.98793.82952.77923.27022.78112.39421.3927
H32.45422.08301.08302.51722.71482.25103.75904.38003.49254.89384.01593.86003.3810
C42.13091.33181.08302.15082.16301.51742.84473.45112.50043.81393.02572.78302.4229
H54.18583.27502.51722.15081.76681.09562.42982.61382.17684.32063.76873.45223.8506
H64.10223.13192.71482.16301.76681.09773.06812.44492.17933.86182.66272.88293.5369
C73.50302.49522.25101.51741.09561.09772.17252.19301.54583.48042.71762.50872.9538
H83.93222.98793.75902.84472.42983.06812.17251.77911.09462.51713.05812.14932.6776
H94.90103.82954.38003.45112.61382.44492.19301.77911.09372.51902.52542.16623.4102
C103.84072.77923.49252.50042.17682.17931.54581.09461.09372.19352.16621.53562.4708
H114.08133.27024.89383.81394.32063.86183.48042.51712.51902.19351.78991.09072.0431
H123.66852.78114.01593.02573.76872.66272.71763.05812.52542.16621.78991.09722.0935
C133.32912.39423.86002.78303.45222.88292.50872.14932.16621.53561.09071.09721.4629
O142.04531.39273.38102.42293.85063.53692.95382.67763.41022.47082.04312.09351.4629

picture of 2H-Pyran, 3,4-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.605 H1 C2 O14 110.836
C2 C4 H3 118.858 C2 C4 C7 122.139
C2 O14 C13 113.924 H3 C4 C7 118.964
C4 C2 O14 125.558 C4 C7 H5 109.743
C4 C7 H6 110.590 C4 C7 C10 109.427
H5 C7 H6 107.328 H5 C7 C10 109.827
H6 C7 C10 109.901 C7 C10 H8 109.553
C7 C10 H9 111.215 C7 C10 C13 109.003
H8 C10 H9 108.781 H8 C10 C13 108.440
H9 C10 C13 109.803 C10 C13 H11 112.160
C10 C13 H12 109.599 C10 C13 O14 110.953
H11 C13 H12 109.789 H11 C13 O14 105.346
H12 C13 O14 108.881
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.226      
2 C 0.089      
3 H 0.203      
4 C -0.268      
5 H 0.216      
6 H 0.212      
7 C -0.425      
8 H 0.225      
9 H 0.206      
10 C -0.447      
11 H 0.222      
12 H 0.204      
13 C -0.131      
14 O -0.533      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.443 -0.390 0.357 1.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.473 1.187 0.173
y 1.187 -32.970 -0.656
z 0.173 -0.656 -37.975
Traceless
 xyz
x -3.001 1.187 0.173
y 1.187 5.254 -0.656
z 0.173 -0.656 -2.253
Polar
3z2-r2-4.507
x2-y2-5.504
xy1.187
xz0.173
yz-0.656


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.139 -0.283 -0.272
y -0.283 7.976 -0.105
z -0.272 -0.105 5.041


<r2> (average value of r2) Å2
<r2> 142.724
(<r2>)1/2 11.947