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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-270.526982
Energy at 298.15K-270.536970
HF Energy-270.526982
Nuclear repulsion energy241.858339
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/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 3221 3081 24.31      
2 A 3198 3059 1.97      
3 A 3138 3001 36.42      
4 A 3116 2981 38.94      
5 A 3082 2948 37.62      
6 A 3062 2929 16.46      
7 A 3034 2902 43.92      
8 A 3024 2892 43.63      
9 A 1744 1668 81.56      
10 A 1507 1441 3.65      
11 A 1495 1430 5.74      
12 A 1481 1417 3.02      
13 A 1444 1381 2.67      
14 A 1412 1351 2.77      
15 A 1381 1321 1.75      
16 A 1361 1301 4.41      
17 A 1316 1258 2.33      
18 A 1296 1240 108.68      
19 A 1265 1210 7.72      
20 A 1221 1168 3.02      
21 A 1122 1073 69.71      
22 A 1109 1061 10.96      
23 A 1079 1032 11.41      
24 A 1049 1003 3.05      
25 A 970 927 2.10      
26 A 962 920 14.91      
27 A 920 880 22.27      
28 A 895 856 1.43      
29 A 860 823 3.52      
30 A 771 737 7.90      
31 A 746 713 23.72      
32 A 520 497 6.57      
33 A 503 481 2.32      
34 A 453 433 15.82      
35 A 287 275 0.57      
36 A 179 171 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 27111.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 25931.7 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/6-311G**
ABC
0.17431 0.15954 0.09084

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.700 1.792 -0.197
C2 0.917 1.053 -0.081
H3 -0.636 2.414 0.095
C4 -0.368 1.365 0.063
H5 -2.283 0.598 -0.515
H6 -1.847 0.232 1.142
C7 -1.442 0.314 0.125
H8 -0.759 -1.044 -1.413
H9 -1.514 -1.863 -0.042
C10 -0.864 -1.030 -0.324
H11 0.969 -2.167 0.000
H12 0.439 -1.191 1.390
C13 0.512 -1.222 0.296
O14 1.426 -0.206 -0.117

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08322.43512.12834.17084.09963.48783.94584.86973.81514.03083.60653.27772.0190
C21.08322.07211.33033.26133.13162.48092.99673.79652.75123.22142.72542.34191.3589
H32.43512.07211.08312.52652.70572.24963.77444.36783.47654.85463.97833.81833.3408
C42.12831.33031.08312.14222.15221.50382.85193.42642.47583.77682.99082.74272.3916
H54.17083.26132.52652.14221.75221.09472.41362.62102.16824.29953.77413.43253.8158
H64.09963.13162.70572.15221.75221.09703.05592.42912.16943.87122.70432.89733.5336
C73.48782.48092.24961.50381.09471.09702.16272.18411.53033.46172.72122.49142.9247
H83.94582.99673.77442.85192.41363.05592.16271.76611.09422.49833.05192.13632.6741
H94.86973.79654.36783.42642.62102.42912.18411.76611.09342.50192.51392.15123.3750
C103.81512.75123.47652.47582.16822.16941.53031.09421.09342.18102.15921.52072.4417
H114.03083.22144.85463.77684.29953.87123.46172.49832.50192.18101.77921.09002.0163
H123.60652.72543.97832.99083.77412.70432.72123.05192.51392.15921.77921.09772.0530
C133.27772.34193.81832.74273.43252.89732.49142.13632.15121.52071.09001.09771.4276
O142.01901.35893.34082.39163.81583.53362.92472.67413.37502.44172.01632.05301.4276

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 123.403 H1 C2 O14 111.026
C2 C4 H3 117.956 C2 C4 C7 122.053
C2 O14 C13 114.348 H3 C4 C7 119.945
C4 C2 O14 125.568 C4 C7 H5 110.060
C4 C7 H6 110.712 C4 C7 C10 109.366
H5 C7 H6 106.161 H5 C7 C10 110.271
H6 C7 C10 110.235 C7 C10 H8 109.864
C7 C10 H9 111.620 C7 C10 C13 109.488
H8 C10 H9 107.668 H8 C10 C13 108.460
H9 C10 C13 109.673 C10 C13 H11 112.266
C10 C13 H12 110.054 C10 C13 O14 111.788
H11 C13 H12 108.832 H11 C13 O14 105.647
H12 C13 O14 108.063
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.119      
2 C 0.107      
3 H 0.115      
4 C -0.268      
5 H 0.132      
6 H 0.129      
7 C -0.192      
8 H 0.138      
9 H 0.126      
10 C -0.304      
11 H 0.125      
12 H 0.119      
13 C -0.022      
14 O -0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.155 -0.508 0.289 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.862 0.998 0.147
y 0.998 -33.516 -0.578
z 0.147 -0.578 -37.730
Traceless
 xyz
x -2.239 0.998 0.147
y 0.998 4.280 -0.578
z 0.147 -0.578 -2.041
Polar
3z2-r2-4.081
x2-y2-4.346
xy0.998
xz0.147
yz-0.578


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.257 -0.282 -0.179
y -0.282 8.878 -0.063
z -0.179 -0.063 6.330


<r2> (average value of r2) Å2
<r2> 140.451
(<r2>)1/2 11.851