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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-271.410325
Energy at 298.15K-271.423052
Nuclear repulsion energy258.561322
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 PBEPBEultrafine/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' 3033 2983 50.50      
2 A' 3026 2976 47.61      
3 A' 3014 2964 37.66      
4 A' 2975 2926 14.91      
5 A' 2957 2909 26.07      
6 A' 2883 2835 110.06      
7 A' 1482 1457 3.48      
8 A' 1467 1443 5.54      
9 A' 1460 1435 7.48      
10 A' 1391 1369 8.86      
11 A' 1350 1328 0.26      
12 A' 1299 1278 2.99      
13 A' 1259 1238 6.03      
14 A' 1149 1130 3.00      
15 A' 1031 1014 7.13      
16 A' 1000 984 9.17      
17 A' 876 861 18.64      
18 A' 845 831 5.23      
19 A' 817 804 2.59      
20 A' 548 539 3.03      
21 A' 426 419 1.24      
22 A' 397 390 4.20      
23 A' 247 243 2.94      
24 A" 3030 2980 40.70      
25 A" 3021 2971 42.86      
26 A" 2975 2926 31.27      
27 A" 2876 2829 23.10      
28 A" 1466 1442 0.45      
29 A" 1450 1426 1.88      
30 A" 1362 1339 11.24      
31 A" 1349 1327 0.60      
32 A" 1320 1298 0.01      
33 A" 1275 1254 7.84      
34 A" 1197 1177 33.03      
35 A" 1166 1147 0.02      
36 A" 1093 1075 69.49      
37 A" 1046 1028 17.65      
38 A" 963 948 3.26      
39 A" 873 859 0.49      
40 A" 803 789 0.43      
41 A" 452 444 0.01      
42 A" 239 235 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 31442.0 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 30923.2 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 PBEPBEultrafine/6-31G*
ABC
0.15471 0.14823 0.08589

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.674 -1.272 0.000
C2 0.632 1.329 0.000
H3 1.713 1.082 0.000
H4 0.558 2.432 0.000
C5 -0.020 0.734 1.260
C6 -0.020 0.734 -1.260
C7 -0.020 -0.797 -1.178
C8 -0.020 -0.797 1.178
H9 0.508 1.060 2.175
H10 0.508 1.060 -2.175
H11 -1.067 1.084 1.340
H12 -1.067 1.084 -1.340
H13 1.030 -1.173 -1.206
H14 1.030 -1.173 1.206
H15 -0.564 -1.248 -2.026
H16 -0.564 -1.248 2.026

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.90993.35203.90272.45692.45691.42811.42813.40053.40052.73882.73882.08932.08932.02892.0289
C22.90991.10881.10501.53811.53812.51692.51692.19502.19502.17772.17772.80562.80563.48963.4896
H33.35201.10881.77592.17072.17072.81522.81522.48652.48653.08603.08602.64692.64693.83673.8367
H43.90271.10501.77592.19152.19153.48553.48552.57182.57182.50072.50073.82993.82994.34814.3481
C52.45691.53812.17072.19152.51922.87891.53371.10603.49031.10642.82463.28902.17773.87562.1939
C62.45691.53812.17072.19152.51921.53372.87893.49031.10602.82461.10642.17773.28902.19393.8756
C71.42812.51692.81523.48552.87891.53372.35623.86942.17333.31332.15901.11572.63181.10353.2809
C81.42812.51692.81523.48551.53372.87892.35622.17333.86942.15903.31332.63181.11573.28091.1035
H93.40052.19502.48652.57181.10603.49033.86942.17334.35001.78253.85224.08502.48954.91172.5497
H103.40052.19502.48652.57183.49031.10602.17333.86944.35003.85221.78252.48954.08502.54974.9117
H112.73882.17773.08602.50071.10642.82463.31332.15901.78253.85222.68103.99663.08354.12612.4825
H122.73882.17773.08602.50072.82461.10642.15903.31333.85221.78252.68103.08353.99662.48254.1261
H132.08932.80562.64693.82993.28902.17771.11572.63184.08502.48953.99663.08352.41141.79423.6040
H142.08932.80562.64693.82992.17773.28902.63181.11572.48954.08503.08353.99662.41143.60401.7942
H152.02893.48963.83674.34813.87562.19391.10353.28094.91172.54974.12612.48251.79423.60404.0516
H162.02893.48963.83674.34812.19393.87563.28091.10352.54974.91172.48254.12613.60401.79424.0516

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 112.054 O1 C7 H13 109.828
O1 C7 H15 105.818 O1 C8 C5 112.054
O1 C8 H14 109.828 O1 C8 H16 105.818
C2 C5 C8 110.040 C2 C5 H9 111.177
C2 C5 H11 109.789 C2 C6 C7 110.040
C2 C6 H10 111.177 C2 C6 H12 109.789
H3 C2 H4 106.676 H3 C2 C5 109.105
H3 C2 C6 109.105 H4 C2 C5 110.956
H4 C2 C6 110.956 C5 C2 C6 109.957
C5 C8 H14 109.557 C5 C8 H16 111.550
C6 C7 H13 109.557 C6 C7 H15 111.550
C7 O1 C8 111.161 C7 C6 H10 109.771
C7 C6 H12 108.644 C8 C5 H9 109.771
C8 C5 H11 108.644 H9 C5 H11 107.349
H10 C6 H12 107.349 H13 C7 H15 107.896
H14 C8 H16 107.896
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.413      
2 C -0.297      
3 H 0.144      
4 H 0.152      
5 C -0.300      
6 C -0.300      
7 C -0.077      
8 C -0.077      
9 H 0.146      
10 H 0.146      
11 H 0.156      
12 H 0.156      
13 H 0.126      
14 H 0.126      
15 H 0.156      
16 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.869 1.010 0.000 1.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.748 -1.453 0.000
y -1.453 -39.924 0.000
z 0.000 0.000 -35.352
Traceless
 xyz
x -1.110 -1.453 0.000
y -1.453 -2.874 0.000
z 0.000 0.000 3.984
Polar
3z2-r27.968
x2-y21.176
xy-1.453
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.605 0.096 0.000
y 0.096 8.185 0.000
z 0.000 0.000 9.197


<r2> (average value of r2) Å2
<r2> 153.616
(<r2>)1/2 12.394