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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-270.483791
Energy at 298.15K-270.493727
Nuclear repulsion energy242.433873
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 B1B95/6-311G**
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 3215 3087 25.30      
2 A 3193 3066 1.98      
3 A 3128 3003 35.28      
4 A 3110 2986 37.38      
5 A 3071 2949 41.39      
6 A 3056 2934 12.06      
7 A 3024 2904 48.72      
8 A 3019 2898 35.22      
9 A 1728 1659 78.89      
10 A 1499 1439 4.11      
11 A 1482 1422 4.23      
12 A 1468 1409 3.33      
13 A 1427 1370 3.53      
14 A 1395 1339 3.32      
15 A 1368 1314 1.66      
16 A 1345 1291 3.99      
17 A 1303 1251 4.08      
18 A 1280 1229 100.94      
19 A 1255 1205 6.56      
20 A 1208 1160 3.35      
21 A 1109 1064 55.66      
22 A 1099 1055 18.95      
23 A 1072 1030 11.61      
24 A 1037 996 3.32      
25 A 960 922 14.48      
26 A 952 914 0.71      
27 A 919 882 21.53      
28 A 885 850 1.39      
29 A 862 827 4.16      
30 A 763 733 13.36      
31 A 742 712 17.00      
32 A 507 487 8.40      
33 A 489 469 1.94      
34 A 447 429 12.76      
35 A 279 268 0.59      
36 A 185 178 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 26939.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 25864.2 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 B1B95/6-311G**
ABC
0.17576 0.15985 0.09148

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.650 1.830 -0.204
C2 0.889 1.069 -0.085
H3 -0.699 2.389 0.103
C4 -0.405 1.348 0.068
H5 -2.294 0.538 -0.517
H6 -1.857 0.178 1.137
C7 -1.448 0.274 0.125
H8 -0.713 -1.043 -1.416
H9 -1.460 -1.898 -0.067
C10 -0.831 -1.045 -0.329
H11 1.017 -2.137 0.023
H12 0.455 -1.158 1.395
C13 0.538 -1.200 0.302
O14 1.430 -0.173 -0.117

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08282.43382.12774.16164.10243.48253.91224.85663.79934.02383.59313.26682.0162
C21.08282.07331.33213.25533.13522.47762.96613.78412.73603.21092.70872.32841.3549
H32.43382.07331.08222.52092.70272.24403.75364.35743.46364.84183.94763.80193.3383
C42.12771.33211.08222.13732.15031.49882.83173.41612.46323.76512.96312.72752.3905
H54.16163.25532.52092.13731.74871.09372.41012.61372.16334.29143.75353.42263.8122
H64.10243.13522.70272.15031.74871.09623.05272.43182.16733.85532.68262.88703.5361
C73.48252.47762.24401.49881.09371.09622.15672.18051.52543.45082.69962.48062.9232
H83.91222.96613.75362.83172.41013.05272.15671.76331.09312.50253.04582.13082.6526
H94.85663.78414.35743.41612.61372.43182.18051.76331.09182.49092.52022.14863.3665
C103.79932.73603.46362.46322.16332.16731.52541.09311.09182.17632.15401.51602.4330
H114.02383.21094.84183.76514.29143.85533.45082.50252.49092.17631.77661.08882.0127
H123.59312.70873.94762.96313.75352.68262.69963.04582.52022.15401.77661.09692.0515
C133.26682.32843.80192.72753.42262.88702.48062.13082.14861.51601.08881.09691.4238
O142.01621.35493.33832.39053.81223.53612.92322.65263.36652.43302.01272.05151.4238

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 123.221 H1 C2 O14 111.118
C2 C4 H3 117.987 C2 C4 C7 122.021
C2 O14 C13 113.830 H3 C4 C7 119.921
C4 C2 O14 125.661 C4 C7 H5 110.078
C4 C7 H6 110.958 C4 C7 C10 109.066
H5 C7 H6 105.980 H5 C7 C10 110.286
H6 C7 C10 110.448 C7 C10 H8 109.794
C7 C10 H9 111.771 C7 C10 C13 109.292
H8 C10 H9 107.607 H8 C10 C13 108.419
H9 C10 C13 109.889 C10 C13 H11 112.296
C10 C13 H12 110.010 C10 C13 O14 111.673
H11 C13 H12 108.741 H11 C13 O14 105.690
H12 C13 O14 108.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.116      
2 C 0.107      
3 H 0.113      
4 C -0.259      
5 H 0.138      
6 H 0.138      
7 C -0.202      
8 H 0.152      
9 H 0.131      
10 C -0.330      
11 H 0.129      
12 H 0.134      
13 C -0.052      
14 O -0.314      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.129 -0.539 0.276 1.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.822 0.865 0.163
y 0.865 -33.494 -0.587
z 0.163 -0.587 -37.699
Traceless
 xyz
x -2.225 0.865 0.163
y 0.865 4.266 -0.587
z 0.163 -0.587 -2.041
Polar
3z2-r2-4.082
x2-y2-4.327
xy0.865
xz0.163
yz-0.587


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.305 -0.244 -0.180
y -0.244 8.964 -0.073
z -0.180 -0.073 6.354


<r2> (average value of r2) Å2
<r2> 139.725
(<r2>)1/2 11.821