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

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-271.693386
Energy at 298.15K-271.706240
Nuclear repulsion energy257.102299
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 B3LYP/6-31G
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' 3130 3011 36.00      
2 A' 3094 2976 82.40      
3 A' 3080 2963 41.34      
4 A' 3041 2925 10.47      
5 A' 3022 2907 29.90      
6 A' 2989 2876 96.08      
7 A' 1548 1489 5.75      
8 A' 1534 1476 5.94      
9 A' 1532 1474 5.74      
10 A' 1432 1377 2.10      
11 A' 1406 1353 1.22      
12 A' 1321 1270 0.72      
13 A' 1306 1256 5.63      
14 A' 1197 1151 2.60      
15 A' 1062 1022 4.90      
16 A' 1032 993 7.28      
17 A' 886 853 7.43      
18 A' 855 823 11.91      
19 A' 808 777 8.18      
20 A' 568 547 4.71      
21 A' 439 422 3.17      
22 A' 389 374 5.64      
23 A' 240 231 5.74      
24 A" 3126 3007 41.60      
25 A" 3085 2968 30.12      
26 A" 3040 2925 42.82      
27 A" 2983 2870 18.35      
28 A" 1533 1475 0.35      
29 A" 1522 1464 3.01      
30 A" 1411 1358 4.64      
31 A" 1398 1345 0.78      
32 A" 1391 1338 5.22      
33 A" 1318 1268 5.16      
34 A" 1227 1180 16.41      
35 A" 1201 1155 3.32      
36 A" 1101 1059 5.88      
37 A" 1060 1020 72.92      
38 A" 1007 968 8.39      
39 A" 888 855 2.70      
40 A" 835 803 1.84      
41 A" 464 446 0.02      
42 A" 237 228 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 32369.1 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 31139.1 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 B3LYP/6-31G
ABC
0.15107 0.14796 0.08458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.446 0.000
C2 0.056 -1.469 0.000
H3 -1.006 -1.757 0.000
H4 0.637 -2.399 0.000
C5 0.360 -0.643 1.268
C6 0.360 -0.643 -1.268
C7 -0.354 0.713 -1.212
C8 -0.354 0.713 1.212
H9 0.051 -1.187 2.171
H10 0.051 -1.187 -2.171
H11 1.441 -0.469 1.344
H12 1.441 -0.469 -1.344
H13 -1.448 0.571 -1.248
H14 -1.448 0.571 1.248
H15 -0.061 1.365 -2.037
H16 -0.061 1.365 2.037

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.91603.35803.89832.47032.47031.46041.46043.41323.41322.74812.74812.10252.10252.04002.0400
C22.91601.10091.09691.54371.54372.52912.52912.18892.18892.17392.17392.82472.82473.49243.4924
H33.35801.10091.76442.17172.17172.82722.82722.48112.48113.07533.07532.67772.67773.84613.8461
H43.89831.09691.76442.18422.18423.48373.48372.55442.55442.48622.48623.83733.83734.33704.3370
C52.47031.54372.17172.18422.53632.91501.53301.09813.49521.09812.83283.32702.17723.89042.1909
C62.47031.54372.17172.18422.53631.53302.91503.49521.09812.83281.09812.17723.32702.19093.8904
C71.46042.52912.82723.48372.91501.53302.42363.90052.16623.33972.15341.10332.69531.09243.3270
C81.46042.52912.82723.48371.53302.91502.42362.16623.90052.15343.33972.69531.10333.32701.0924
H93.41322.18892.48112.55441.09813.49523.90052.16624.34131.76933.84744.12572.48784.92282.5580
H103.41322.18892.48112.55443.49521.09812.16623.90054.34133.84741.76932.48784.12572.55804.9228
H112.74812.17393.07532.48621.09812.83283.33972.15341.76933.84742.68864.01813.07194.12992.4699
H122.74812.17393.07532.48622.83281.09812.15343.33973.84741.76932.68863.07194.01812.46994.1299
H132.10252.82472.67773.83733.32702.17721.10332.69534.12572.48784.01813.07192.49521.78273.6532
H142.10252.82472.67773.83732.17723.32702.69531.10332.48784.12573.07194.01812.49523.65321.7827
H152.04003.49243.84614.33703.89042.19091.09243.32704.92282.55804.12992.46991.78273.65324.0749
H162.04003.49243.84614.33702.19093.89043.32701.09242.55804.92282.46994.12993.65321.78274.0749

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 111.206 O1 C7 H13 109.402
O1 C7 H15 105.179 O1 C8 C5 111.206
O1 C8 H14 109.402 O1 C8 H16 105.179
C2 C5 C8 110.575 C2 C5 H9 110.776
C2 C5 H11 109.601 C2 C6 C7 110.575
C2 C6 H10 110.776 C2 C6 H12 109.601
H3 C2 H4 106.802 H3 C2 C5 109.261
H3 C2 C6 109.261 H4 C2 C5 110.481
H4 C2 C6 110.481 C5 C2 C6 110.470
C5 C8 H14 110.287 C5 C8 H16 112.038
C6 C7 H13 110.287 C6 C7 H15 112.038
C7 O1 C8 112.153 C7 C6 H10 109.731
C7 C6 H12 108.739 C8 C5 H9 109.731
C8 C5 H11 108.739 H9 C5 H11 107.341
H10 C6 H12 107.341 H13 C7 H15 108.567
H14 C8 H16 108.567
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.512      
2 C -0.250      
3 H 0.123      
4 H 0.131      
5 C -0.253      
6 C -0.253      
7 C -0.022      
8 C -0.022      
9 H 0.124      
10 H 0.124      
11 H 0.140      
12 H 0.140      
13 H 0.117      
14 H 0.117      
15 H 0.147      
16 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.491 -1.766 0.000 1.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.933 -0.637 0.000
y -0.637 -42.208 0.000
z 0.000 0.000 -34.840
Traceless
 xyz
x 0.591 -0.637 0.000
y -0.637 -5.821 0.000
z 0.000 0.000 5.230
Polar
3z2-r210.460
x2-y24.275
xy-0.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.343 -0.101 0.000
y -0.101 7.745 0.000
z 0.000 0.000 8.906


<r2> (average value of r2) Å2
<r2> 155.385
(<r2>)1/2 12.465