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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-271.787384
Energy at 298.15K-271.800176
HF Energy-271.787384
Nuclear repulsion energy259.376036
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 TPSSh/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' 3111 2984 47.61      
2 A' 3092 2967 81.58      
3 A' 3079 2954 47.54      
4 A' 3042 2918 12.86      
5 A' 3027 2904 30.17      
6 A' 2966 2846 118.54      
7 A' 1542 1479 2.86      
8 A' 1526 1464 2.77      
9 A' 1519 1457 5.28      
10 A' 1438 1380 11.62      
11 A' 1397 1341 0.15      
12 A' 1339 1284 3.12      
13 A' 1298 1245 6.10      
14 A' 1187 1139 3.58      
15 A' 1054 1012 6.83      
16 A' 1021 980 11.05      
17 A' 890 854 19.73      
18 A' 862 827 5.05      
19 A' 829 795 2.56      
20 A' 548 526 3.87      
21 A' 425 408 1.62      
22 A' 389 373 3.97      
23 A' 246 236 3.49      
24 A" 3108 2982 57.92      
25 A" 3085 2960 37.63      
26 A" 3042 2919 44.56      
27 A" 2960 2840 20.13      
28 A" 1526 1464 0.02      
29 A" 1509 1448 0.84      
30 A" 1408 1351 12.34      
31 A" 1395 1339 0.76      
32 A" 1367 1312 0.00      
33 A" 1314 1261 8.53      
34 A" 1231 1181 34.09      
35 A" 1199 1151 0.02      
36 A" 1116 1071 77.53      
37 A" 1067 1024 15.01      
38 A" 986 946 3.60      
39 A" 889 853 0.84      
40 A" 820 786 0.60      
41 A" 452 434 0.01      
42 A" 232 222 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 32267.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 30957.2 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 TPSSh/6-31G*
ABC
0.15525 0.14933 0.08638

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.663 -1.263 0.000
C2 0.629 1.327 0.000
H3 1.703 1.090 0.000
H4 0.544 2.421 0.000
C5 -0.021 0.732 1.261
C6 -0.021 0.732 -1.261
C7 -0.021 -0.799 -1.177
C8 -0.021 -0.799 1.177
H9 0.508 1.058 2.165
H10 0.508 1.058 -2.165
H11 -1.059 1.079 1.342
H12 -1.059 1.079 -1.342
H13 1.019 -1.174 -1.216
H14 1.019 -1.174 1.216
H15 -0.570 -1.243 -2.013
H16 -0.570 -1.243 2.013

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.89473.33703.87652.44572.44571.41891.41893.38383.38382.72862.72862.07742.07742.01562.0156
C22.89471.10001.09671.53811.53812.51602.51602.18542.18542.17092.17092.80822.80823.47823.4782
H33.33701.10001.76462.16542.16542.81562.81562.47322.47323.07113.07112.65922.65923.82943.8294
H43.87651.09671.76462.18172.18173.47463.47462.55862.55862.48432.48433.82413.82414.32634.3263
C52.44571.53812.16542.18172.52112.87881.53351.09793.48191.09782.82383.29332.17133.86272.1837
C62.44571.53812.16542.18172.52111.53352.87883.48191.09792.82381.09782.17133.29332.18373.8627
C71.41892.51602.81563.47462.87881.53352.35453.86052.16953.30982.15261.10592.63611.09443.2678
C81.41892.51602.81563.47461.53352.87882.35452.16953.86052.15263.30982.63611.10593.26781.0944
H93.38382.18542.47322.55861.09793.48193.86052.16954.33081.77063.84224.08362.47864.89092.5460
H103.38382.18542.47322.55863.48191.09792.16953.86054.33083.84221.77062.47864.08362.54604.8909
H112.72862.17093.07112.48431.09782.82383.30982.15261.77063.84222.68473.99243.06754.11002.4660
H122.72862.17093.07112.48432.82381.09782.15263.30983.84221.77062.68473.06753.99242.46604.1100
H132.07742.80822.65923.82413.29332.17131.10592.63614.08362.47863.99243.06752.43201.77933.5999
H142.07742.80822.65923.82412.17133.29332.63611.10592.47864.08363.06753.99242.43203.59991.7793
H152.01563.47823.82944.32633.86272.18371.09443.26784.89092.54604.11002.46601.77933.59994.0267
H162.01563.47823.82944.32632.18373.86273.26781.09442.54604.89092.46604.11003.59991.77934.0267

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 111.809 O1 C7 H13 110.114
O1 C7 H15 105.917 O1 C8 C5 111.809
O1 C8 H14 110.114 O1 C8 H16 105.917
C2 C5 C8 109.999 C2 C5 H9 110.902
C2 C5 H11 109.767 C2 C6 C7 109.999
C2 C6 H10 110.902 C2 C6 H12 109.767
H3 C2 H4 106.894 H3 C2 C5 109.210
H3 C2 C6 109.210 H4 C2 C5 110.684
H4 C2 C6 110.684 C5 C2 C6 110.084
C5 C8 H14 109.641 C5 C8 H16 111.305
C6 C7 H13 109.641 C6 C7 H15 111.305
C7 O1 C8 112.131 C7 C6 H10 109.970
C7 C6 H12 108.651 C8 C5 H9 109.970
C8 C5 H11 108.651 H9 C5 H11 107.491
H10 C6 H12 107.491 H13 C7 H15 107.933
H14 C8 H16 107.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.469      
2 C -0.306      
3 H 0.148      
4 H 0.157      
5 C -0.309      
6 C -0.309      
7 C -0.061      
8 C -0.061      
9 H 0.150      
10 H 0.150      
11 H 0.161      
12 H 0.161      
13 H 0.131      
14 H 0.131      
15 H 0.163      
16 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.964 1.037 0.000 1.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.459 0.091 0.000
y 0.091 7.989 0.000
z 0.000 0.000 8.955


<r2> (average value of r2) Å2
<r2> 152.734
(<r2>)1/2 12.359