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All results from a given calculation for C5H10O (2H-Pyran, tetrahydro-)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-270.085020
Energy at 298.15K-270.098268
Nuclear repulsion energy261.493931
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 HF/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' 3241 2945 49.19      
2 A' 3208 2914 120.92      
3 A' 3196 2903 63.63      
4 A' 3161 2871 13.36      
5 A' 3144 2857 37.48      
6 A' 3121 2836 107.42      
7 A' 1643 1492 2.37      
8 A' 1620 1472 5.24      
9 A' 1604 1458 4.89      
10 A' 1557 1414 13.50      
11 A' 1508 1370 0.64      
12 A' 1444 1312 7.18      
13 A' 1388 1261 5.67      
14 A' 1284 1167 4.12      
15 A' 1138 1034 9.81      
16 A' 1097 996 16.57      
17 A' 961 873 23.70      
18 A' 933 847 4.50      
19 A' 877 797 1.63      
20 A' 610 554 5.05      
21 A' 464 422 1.99      
22 A' 423 384 5.75      
23 A' 263 239 5.16      
24 A" 3237 2941 78.09      
25 A" 3198 2906 52.90      
26 A" 3160 2871 40.43      
27 A" 3111 2826 17.06      
28 A" 1627 1478 0.18      
29 A" 1598 1452 2.15      
30 A" 1520 1381 12.64      
31 A" 1507 1369 0.37      
32 A" 1470 1335 0.00      
33 A" 1409 1280 15.72      
34 A" 1348 1225 70.11      
35 A" 1292 1174 0.05      
36 A" 1240 1126 86.17      
37 A" 1132 1029 6.00      
38 A" 1059 962 2.87      
39 A" 942 856 1.43      
40 A" 887 806 1.28      
41 A" 497 451 0.00      
42 A" 252 229 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 34184.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 31056.4 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 HF/6-311G**
ABC
0.15711 0.15212 0.08742

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.643 -1.247 0.000
C2 0.619 1.324 0.000
H3 1.686 1.101 0.000
H4 0.524 2.405 0.000
C5 -0.023 0.724 1.254
C6 -0.023 0.724 -1.254
C7 -0.023 -0.797 -1.172
C8 -0.023 -0.797 1.172
H9 0.504 1.044 2.150
H10 0.504 1.044 -2.150
H11 -1.051 1.069 1.340
H12 -1.051 1.069 -1.340
H13 1.002 -1.174 -1.214
H14 1.002 -1.174 1.214
H15 -0.570 -1.234 -1.997
H16 -0.570 -1.234 1.997

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.86393.30723.83492.41772.41771.40021.40023.34473.34472.70742.70742.04572.04571.99851.9985
C22.86391.08971.08611.53091.53092.50672.50672.17142.17142.15612.15612.80342.80343.45633.4563
H33.30721.08971.74652.15252.15252.81002.81002.45432.45433.04723.04722.66792.66793.81213.8121
H43.83491.08611.74652.16762.16763.45423.45422.54532.54532.46232.46233.81003.81004.29374.2937
C52.41771.53092.15252.16762.50832.86391.52401.08723.45961.08782.81203.27822.15783.83512.1653
C62.41771.53092.15252.16762.50831.52402.86393.45961.08722.81201.08782.15783.27822.16533.8351
C71.40022.50672.81003.45422.86391.52402.34393.83452.15033.29442.13781.09252.62391.08253.2456
C81.40022.50672.81003.45421.52402.86392.34392.15033.83452.13783.29442.62391.09253.24561.0825
H93.34472.17142.45432.54531.08723.45963.83452.15034.30041.75313.82124.06022.45834.85222.5232
H103.34472.17142.45432.54533.45961.08722.15033.83454.30043.82121.75312.45834.06022.52324.8522
H112.70742.15613.04722.46231.08782.81203.29442.13781.75313.82122.68073.97143.04354.08372.4432
H122.70742.15613.04722.46232.81201.08782.13783.29443.82121.75312.68073.04353.97142.44324.0837
H132.04572.80342.66793.81003.27822.15781.09252.62394.06022.45833.97143.04352.42811.75753.5759
H142.04572.80342.66793.81002.15783.27822.62391.09252.45834.06023.04353.97142.42813.57591.7575
H151.99853.45633.81214.29373.83512.16531.08253.24564.85222.52324.08372.44321.75753.57593.9943
H161.99853.45633.81214.29372.16533.83513.24561.08252.52324.85222.44324.08373.57591.75753.9943

picture of 2H-Pyran, tetrahydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C7 C6 111.469 O1 C7 H13 109.688
O1 C7 H15 106.513 O1 C8 C5 111.469
O1 C8 H14 109.688 O1 C8 H16 106.513
C2 C5 C8 110.280 C2 C5 H9 110.931
C2 C5 H11 109.686 C2 C6 C7 110.280
C2 C6 H10 110.931 C2 C6 H12 109.686
H3 C2 H4 106.779 H3 C2 C5 109.291
H3 C2 C6 109.291 H4 C2 C5 110.695
H4 C2 C6 110.695 C5 C2 C6 110.016
C5 C8 H14 110.016 C5 C8 H16 111.218
C6 C7 H13 110.016 C6 C7 H15 111.218
C7 O1 C8 113.644 C7 C6 H10 109.736
C7 C6 H12 108.722 C8 C5 H9 109.736
C8 C5 H11 108.722 H9 C5 H11 107.415
H10 C6 H12 107.415 H13 C7 H15 107.813
H14 C8 H16 107.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.483      
2 C -0.218      
3 H 0.091      
4 H 0.102      
5 C -0.194      
6 C -0.194      
7 C 0.091      
8 C 0.091      
9 H 0.094      
10 H 0.094      
11 H 0.098      
12 H 0.098      
13 H 0.070      
14 H 0.070      
15 H 0.094      
16 H 0.094      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.087 1.109 0.000 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.304 -1.852 0.000
y -1.852 -40.819 0.000
z 0.000 0.000 -35.611
Traceless
 xyz
x -1.088 -1.852 0.000
y -1.852 -3.362 0.000
z 0.000 0.000 4.451
Polar
3z2-r28.901
x2-y21.516
xy-1.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.449 0.038 0.000
y 0.038 7.952 0.000
z 0.000 0.000 8.781


<r2> (average value of r2) Å2
<r2> 151.480
(<r2>)1/2 12.308