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

using model chemistry: B3PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-271.705403
Energy at 298.15K-271.718269
Nuclear repulsion energy259.887326
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 B3PW91/aug-cc-pVDZ
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' 3107 2997 37.37      
2 A' 3095 2986 58.54      
3 A' 3083 2974 36.90      
4 A' 3040 2932 16.96      
5 A' 3026 2918 28.91      
6 A' 2966 2861 103.45      
7 A' 1484 1431 3.14      
8 A' 1467 1415 8.68      
9 A' 1459 1407 6.63      
10 A' 1397 1348 6.76      
11 A' 1364 1316 1.42      
12 A' 1315 1268 5.06      
13 A' 1272 1227 4.88      
14 A' 1166 1125 2.81      
15 A' 1050 1013 10.28      
16 A' 1022 986 8.25      
17 A' 895 863 22.03      
18 A' 854 823 4.44      
19 A' 835 805 3.13      
20 A' 558 539 3.79      
21 A' 434 419 1.57      
22 A' 393 379 3.59      
23 A' 248 240 3.73      
24 A" 3104 2995 44.69      
25 A" 3090 2981 39.43      
26 A" 3040 2932 33.59      
27 A" 2959 2855 26.67      
28 A" 1468 1416 2.17      
29 A" 1450 1399 2.67      
30 A" 1373 1325 3.06      
31 A" 1365 1317 1.08      
32 A" 1331 1284 0.00      
33 A" 1288 1242 7.47      
34 A" 1220 1177 43.39      
35 A" 1179 1137 0.19      
36 A" 1130 1090 62.66      
37 A" 1062 1024 16.96      
38 A" 972 937 2.90      
39 A" 896 864 0.50      
40 A" 810 782 0.65      
41 A" 461 445 0.01      
42 A" 235 227 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 31981.1 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 30848.9 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 B3PW91/aug-cc-pVDZ
ABC
0.15593 0.15011 0.08668

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.661 -1.265 0.000
C2 0.624 1.323 0.000
H3 1.702 1.089 0.000
H4 0.539 2.420 0.000
C5 -0.021 0.729 1.254
C6 -0.021 0.729 -1.254
C7 -0.021 -0.793 -1.177
C8 -0.021 -0.793 1.177
H9 0.513 1.050 2.161
H10 0.513 1.050 -2.161
H11 -1.060 1.081 1.344
H12 -1.060 1.081 -1.344
H13 1.020 -1.173 -1.207
H14 1.020 -1.173 1.207
H15 -0.568 -1.239 -2.017
H16 -0.568 -1.239 2.017

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88963.33533.87522.44092.44091.42021.42023.37763.37762.73262.73262.07202.07202.01972.0197
C22.88961.10311.09951.52981.52982.50592.50592.18092.18092.16832.16832.80102.80103.47233.4723
H33.33531.10311.76662.16062.16062.80972.80972.46652.46653.07173.07172.65302.65303.82653.8265
H43.87521.09951.76662.17802.17803.46713.46712.55852.55852.48172.48173.82033.82034.32244.3224
C52.44091.52982.16062.17802.50752.86781.52441.10063.47101.10102.82013.27992.16893.85672.1811
C62.44091.52982.16062.17802.50751.52442.86783.47101.10062.82011.10102.16893.27992.18113.8567
C71.42022.50592.80973.46712.86781.52442.35313.84992.15693.30852.14951.10852.62861.09793.2710
C81.42022.50592.80973.46711.52442.86782.35312.15693.84992.14953.30852.62861.10853.27101.0979
H93.37762.18092.46652.55851.10063.47103.84992.15694.32181.77323.84224.06722.47164.88552.5359
H103.37762.18092.46652.55853.47101.10062.15693.84994.32183.84221.77322.47164.06722.53594.8855
H112.73262.16833.07172.48171.10102.82013.30852.14951.77323.84222.68833.98963.07034.11392.4653
H122.73262.16833.07172.48172.82011.10102.14953.30853.84221.77322.68833.07033.98962.46534.1139
H132.07202.80102.65303.82033.27992.16891.10852.62864.06722.47163.98963.07032.41421.78433.5950
H142.07202.80102.65303.82032.16893.27992.62861.10852.47164.06723.07033.98962.41423.59501.7843
H152.01973.47233.82654.32243.85672.18111.09793.27104.88552.53594.11392.46531.78433.59504.0347
H162.01973.47233.82654.32242.18113.85673.27101.09792.53594.88552.46534.11393.59501.78434.0347

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 111.933 O1 C7 H13 109.431
O1 C7 H15 105.948 O1 C8 C5 111.933
O1 C8 H14 109.431 O1 C8 H16 105.948
C2 C5 C8 110.267 C2 C5 H9 110.966
C2 C5 H11 109.942 C2 C6 C7 110.267
C2 C6 H10 110.966 C2 C6 H12 109.942
H3 C2 H4 106.654 H3 C2 C5 109.223
H3 C2 C6 109.223 H4 C2 C5 110.791
H4 C2 C6 110.791 C5 C2 C6 110.076
C5 C8 H14 109.920 C5 C8 H16 111.522
C6 C7 H13 109.920 C6 C7 H15 111.522
C7 O1 C8 111.880 C7 C6 H10 109.447
C7 C6 H12 108.849 C8 C5 H9 109.447
C8 C5 H11 108.849 H9 C5 H11 107.299
H10 C6 H12 107.299 H13 C7 H15 107.934
H14 C8 H16 107.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.601      
2 C 0.500      
3 H -0.332      
4 H -0.231      
5 C 0.583      
6 C 0.583      
7 C 0.883      
8 C 0.883      
9 H -0.220      
10 H -0.220      
11 H -0.300      
12 H -0.300      
13 H -0.241      
14 H -0.241      
15 H -0.374      
16 H -0.374      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.985 1.109 0.000 1.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.247 -1.696 0.000
y -1.696 -40.499 0.000
z 0.000 0.000 -35.720
Traceless
 xyz
x -1.137 -1.696 0.000
y -1.696 -3.015 0.000
z 0.000 0.000 4.152
Polar
3z2-r28.305
x2-y21.252
xy-1.696
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.777 0.163 0.000
y 0.163 9.595 0.000
z 0.000 0.000 10.401


<r2> (average value of r2) Å2
<r2> 152.692
(<r2>)1/2 12.357