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

using model chemistry: B3LYP/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-271.792259
Energy at 298.15K-271.805119
Nuclear repulsion energy259.657852
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(2df,p)
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' 3082 2974 54.37      
2 A' 3076 2968 42.59      
3 A' 3065 2958 41.73      
4 A' 3027 2921 16.13      
5 A' 3012 2907 23.61      
6 A' 2947 2844 97.13      
7 A' 1508 1455 2.81      
8 A' 1492 1440 3.98      
9 A' 1482 1430 5.04      
10 A' 1425 1375 9.55      
11 A' 1379 1331 0.32      
12 A' 1329 1282 4.11      
13 A' 1283 1238 6.01      
14 A' 1180 1138 3.02      
15 A' 1053 1017 6.15      
16 A' 1018 982 10.98      
17 A' 888 857 18.81      
18 A' 862 832 3.51      
19 A' 827 798 1.87      
20 A' 562 542 3.10      
21 A' 438 422 1.39      
22 A' 398 384 4.06      
23 A' 245 236 2.87      
24 A" 3078 2971 41.96      
25 A" 3070 2963 48.15      
26 A" 3026 2920 26.56      
27 A" 2940 2837 20.82      
28 A" 1493 1440 0.18      
29 A" 1472 1421 0.88      
30 A" 1398 1349 10.13      
31 A" 1375 1327 0.54      
32 A" 1356 1309 0.26      
33 A" 1302 1256 8.31      
34 A" 1224 1181 40.51      
35 A" 1192 1150 0.36      
36 A" 1117 1077 74.71      
37 A" 1061 1024 9.97      
38 A" 983 948 2.43      
39 A" 884 853 0.78      
40 A" 820 791 0.72      
41 A" 464 448 0.01      
42 A" 238 230 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 32033.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 30912.1 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(2df,p)
ABC
0.15551 0.14966 0.08639

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.426 0.000
C2 0.060 -1.467 0.000
H3 -1.001 -1.755 0.000
H4 0.637 -2.397 0.000
C5 0.358 -0.638 1.258
C6 0.358 -0.638 -1.258
C7 -0.350 0.717 -1.176
C8 -0.350 0.717 1.176
H9 0.040 -1.167 2.164
H10 0.040 -1.167 -2.164
H11 1.438 -0.466 1.342
H12 1.438 -0.466 -1.342
H13 -1.445 0.567 -1.213
H14 -1.445 0.567 1.213
H15 -0.074 1.363 -2.015
H16 -0.074 1.363 2.015

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.89343.33473.87592.44362.44361.41761.41763.37793.37792.72882.72882.07272.07272.01782.0178
C22.89341.09901.09521.53611.53612.51422.51422.18522.18522.16882.16882.80572.80573.47663.4766
H33.33471.09901.75982.16282.16282.81402.81402.47292.47293.06803.06802.65732.65733.82663.8266
H43.87591.09521.75982.18112.18113.47253.47252.56032.56032.48462.48463.82043.82044.32514.3251
C52.44361.53612.16282.18112.51682.87501.53091.09623.47811.09712.82123.28782.16873.86102.1824
C62.44361.53612.16282.18112.51681.53092.87503.47811.09622.82121.09712.16873.28782.18243.8610
C71.41762.51422.81403.47252.87501.53092.35303.85542.16293.30752.15031.10522.63251.09423.2683
C81.41762.51422.81403.47251.53092.87502.35302.16293.85542.15033.30752.63251.10523.26831.0942
H93.37792.18522.47292.56031.09623.47813.85542.16294.32901.76693.83944.07692.47364.88722.5369
H103.37792.18522.47292.56033.47811.09622.16293.85544.32903.83941.76692.47364.07692.53694.8872
H112.72882.16883.06802.48461.09712.82123.30752.15031.76693.83942.68403.98813.06494.11122.4663
H122.72882.16883.06802.48462.82121.09712.15033.30753.83941.76692.68403.06493.98812.46634.1112
H132.07272.80572.65733.82043.28782.16871.10522.63254.07692.47363.98813.06492.42611.77653.5965
H142.07272.80572.65733.82042.16873.28782.63251.10522.47364.07693.06493.98812.42613.59651.7765
H152.01783.47663.82664.32513.86102.18241.09423.26834.88722.53694.11122.46631.77653.59654.0308
H162.01783.47663.82664.32512.18243.86103.26831.09422.53694.88722.46634.11123.59651.77654.0308

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 111.884 O1 C7 H13 109.871
O1 C7 H15 106.182 O1 C8 C5 111.884
O1 C8 H14 109.871 O1 C8 H16 106.182
C2 C5 C8 110.119 C2 C5 H9 111.130
C2 C5 H11 109.772 C2 C6 C7 110.119
C2 C6 H10 111.130 C2 C6 H12 109.772
H3 C2 H4 106.641 H3 C2 C5 109.195
H3 C2 C6 109.195 H4 C2 C5 110.856
H4 C2 C6 110.856 C5 C2 C6 110.016
C5 C8 H14 109.652 C5 C8 H16 111.382
C6 C7 H13 109.652 C6 C7 H15 111.382
C7 O1 C8 112.186 C7 C6 H10 109.725
C7 C6 H12 108.688 C8 C5 H9 109.725
C8 C5 H11 108.688 H9 C5 H11 107.334
H10 C6 H12 107.334 H13 C7 H15 107.739
H14 C8 H16 107.739
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.243      
2 C -0.192      
3 H 0.094      
4 H 0.094      
5 C -0.192      
6 C -0.192      
7 C -0.060      
8 C -0.060      
9 H 0.091      
10 H 0.091      
11 H 0.102      
12 H 0.102      
13 H 0.080      
14 H 0.080      
15 H 0.103      
16 H 0.103      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.310 -1.279 0.000 1.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.624 -0.321 0.000
y -0.321 -40.852 0.000
z 0.000 0.000 -35.524
Traceless
 xyz
x 0.564 -0.321 0.000
y -0.321 -4.278 0.000
z 0.000 0.000 3.714
Polar
3z2-r27.427
x2-y23.228
xy-0.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.642 -0.212 0.000
y -0.212 8.191 0.000
z 0.000 0.000 9.177


<r2> (average value of r2) Å2
<r2> 152.718
(<r2>)1/2 12.358