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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-269.938970
Energy at 298.15K-269.952122
Nuclear repulsion energy258.763895
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 HF/LANL2DZ
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' 3322 2990 50.28      
2 A' 3271 2944 149.46      
3 A' 3251 2926 64.18      
4 A' 3214 2892 5.61      
5 A' 3197 2877 149.51      
6 A' 3190 2870 31.21      
7 A' 1666 1499 6.24      
8 A' 1647 1482 6.74      
9 A' 1642 1478 7.55      
10 A' 1548 1393 4.81      
11 A' 1524 1372 3.24      
12 A' 1426 1283 2.69      
13 A' 1401 1261 5.65      
14 A' 1299 1169 4.35      
15 A' 1143 1028 8.09      
16 A' 1111 1000 10.75      
17 A' 953 858 7.68      
18 A' 926 834 28.14      
19 A' 866 780 4.37      
20 A' 610 549 7.57      
21 A' 459 413 4.64      
22 A' 397 358 6.18      
23 A' 249 224 9.55      
24 A" 3317 2985 68.79      
25 A" 3261 2935 47.20      
26 A" 3211 2889 86.07      
27 A" 3189 2870 20.60      
28 A" 1653 1487 0.59      
29 A" 1633 1469 4.56      
30 A" 1526 1373 4.64      
31 A" 1515 1363 0.08      
32 A" 1502 1352 6.58      
33 A" 1412 1271 8.16      
34 A" 1338 1204 49.92      
35 A" 1296 1166 2.50      
36 A" 1217 1095 66.73      
37 A" 1166 1049 30.17      
38 A" 1078 970 5.74      
39 A" 951 856 1.40      
40 A" 899 809 1.38      
41 A" 495 445 0.04      
42 A" 242 218 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 34605.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 31141.8 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 HF/LANL2DZ
ABC
0.15202 0.15039 0.08532

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.421 0.000
C2 0.029 -1.461 0.000
H3 -1.027 -1.722 0.000
H4 0.582 -2.394 0.000
C5 0.354 -0.645 1.265
C6 0.354 -0.645 -1.265
C7 -0.337 0.722 -1.213
C8 -0.337 0.722 1.213
H9 0.041 -1.178 2.157
H10 0.041 -1.178 -2.157
H11 1.426 -0.495 1.336
H12 1.426 -0.495 -1.336
H13 -1.417 0.604 -1.270
H14 -1.417 0.604 1.270
H15 -0.019 1.364 -2.020
H16 -0.019 1.364 2.020

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88213.30643.85852.44812.44811.43971.43973.37763.37762.73632.73632.07082.07082.02042.0204
C22.88211.08791.08421.54051.54052.52432.52432.17572.17572.16122.16122.82302.82303.47313.4731
H33.30641.08791.74402.16102.16102.81482.81482.46782.46783.05143.05142.67902.67903.82353.8235
H43.85851.08421.74402.17052.17053.46753.46752.53452.53452.47022.47023.82053.82054.30794.3079
C52.44811.54052.16102.17052.53062.91341.53251.08533.47791.08502.81723.33562.16723.86842.1778
C62.44811.54052.16102.17052.53061.53252.91343.47791.08532.81721.08502.16723.33562.17783.8684
C71.43972.52432.81483.46752.91341.53252.42613.88732.15513.32932.14561.08832.71081.07863.3110
C81.43972.52432.81483.46751.53252.91342.42612.15513.88732.14563.32932.71081.08833.31101.0786
H93.37762.17572.46782.53451.08533.47793.88732.15514.31421.74993.81914.12902.46724.88972.5463
H103.37762.17572.46782.53453.47791.08532.15513.88734.31423.81911.74992.46724.12902.54634.8897
H112.73632.16123.05142.47021.08502.81723.32932.14561.74993.81912.67114.01033.04894.09872.4516
H122.73632.16123.05142.47022.81721.08502.14563.32933.81911.74992.67113.04894.01032.45164.0987
H132.07082.82302.67903.82053.33562.16721.08832.71084.12902.46724.01033.04892.54071.75893.6546
H142.07082.82302.67903.82052.16723.33562.71081.08832.46724.12903.04894.01032.54073.65461.7589
H152.02043.47313.82354.30793.86842.17781.07863.31104.88972.54634.09872.45161.75893.65464.0391
H162.02043.47313.82354.30792.17783.86843.31101.07862.54634.88972.45164.09873.65461.75894.0391

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 110.869 O1 C7 H13 109.209
O1 C7 H15 105.814 O1 C8 C5 110.869
O1 C8 H14 109.209 O1 C8 H16 105.814
C2 C5 C8 110.458 C2 C5 H9 110.708
C2 C5 H11 109.584 C2 C6 C7 110.458
C2 C6 H10 110.708 C2 C6 H12 109.584
H3 C2 H4 106.819 H3 C2 C5 109.395
H3 C2 C6 109.395 H4 C2 C5 110.358
H4 C2 C6 110.358 C5 C2 C6 110.439
C5 C8 H14 110.416 C5 C8 H16 111.864
C6 C7 H13 110.416 C6 C7 H15 111.864
C7 O1 C8 114.829 C7 C6 H10 109.639
C7 C6 H12 108.914 C8 C5 H9 109.639
C8 C5 H11 108.914 H9 C5 H11 107.471
H10 C6 H12 107.471 H13 C7 H15 108.525
H14 C8 H16 108.525
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.501      
2 C -0.335      
3 H 0.149      
4 H 0.185      
5 C -0.311      
6 C -0.311      
7 C -0.101      
8 C -0.101      
9 H 0.166      
10 H 0.166      
11 H 0.170      
12 H 0.170      
13 H 0.138      
14 H 0.138      
15 H 0.189      
16 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.666 -2.126 0.000 2.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.970 -0.774 0.000
y -0.774 -43.561 0.000
z 0.000 0.000 -34.952
Traceless
 xyz
x 1.287 -0.774 0.000
y -0.774 -7.100 0.000
z 0.000 0.000 5.813
Polar
3z2-r211.626
x2-y25.591
xy-0.774
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.758 -0.110 0.000
y -0.110 7.203 0.000
z 0.000 0.000 8.153


<r2> (average value of r2) Å2
<r2> 154.348
(<r2>)1/2 12.424