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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-271.872046
Energy at 298.15K-271.884936
Nuclear repulsion energy259.958140
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/cc-pVTZ
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' 3081 2978 33.21      
2 A' 3064 2961 71.15      
3 A' 3055 2953 43.83      
4 A' 3020 2919 19.31      
5 A' 3004 2904 21.44      
6 A' 2948 2850 103.15      
7 A' 1511 1461 3.41      
8 A' 1496 1446 5.44      
9 A' 1486 1436 6.30      
10 A' 1420 1373 5.49      
11 A' 1381 1335 1.43      
12 A' 1326 1282 4.74      
13 A' 1285 1242 5.34      
14 A' 1180 1141 2.86      
15 A' 1051 1015 7.23      
16 A' 1018 984 10.79      
17 A' 880 851 23.25      
18 A' 866 837 3.94      
19 A' 821 794 2.37      
20 A' 567 548 3.69      
21 A' 439 424 1.78      
22 A' 397 383 4.19      
23 A' 243 235 3.42      
24 A" 3078 2975 53.15      
25 A" 3057 2955 39.72      
26 A" 3020 2919 29.58      
27 A" 2942 2844 21.77      
28 A" 1498 1448 0.90      
29 A" 1477 1428 2.28      
30 A" 1395 1349 5.07      
31 A" 1375 1329 0.68      
32 A" 1362 1317 0.02      
33 A" 1304 1260 6.99      
34 A" 1223 1182 35.06      
35 A" 1193 1153 0.04      
36 A" 1104 1067 79.41      
37 A" 1062 1026 13.86      
38 A" 986 953 3.31      
39 A" 882 852 0.66      
40 A" 821 793 1.23      
41 A" 467 452 0.00      
42 A" 240 232 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 32011.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 30941.9 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 B3LYP/cc-pVTZ
ABC
0.15558 0.15024 0.08647

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.426 0.000
C2 0.061 -1.463 0.000
H3 -0.993 -1.758 0.000
H4 0.644 -2.387 0.000
C5 0.354 -0.637 1.257
C6 0.354 -0.637 -1.257
C7 -0.348 0.715 -1.180
C8 -0.348 0.715 1.180
H9 0.032 -1.168 2.157
H10 0.032 -1.168 -2.157
H11 1.431 -0.469 1.347
H12 1.431 -0.469 -1.347
H13 -1.439 0.573 -1.217
H14 -1.439 0.573 1.217
H15 -0.066 1.358 -2.013
H16 -0.066 1.358 2.013

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88993.33573.86642.44192.44191.42131.42133.37353.37352.73012.73012.06852.06852.01572.0157
C22.88991.09521.09151.53241.53242.51112.51112.17722.17722.16292.16292.80732.80733.46843.4684
H33.33571.09521.75342.15702.15702.81532.81532.46032.46033.05823.05822.66782.66783.82423.8242
H43.86641.09151.75342.17352.17353.46353.46352.55172.55172.47192.47193.81853.81854.31034.3103
C52.44191.53242.15702.17352.51442.87451.52571.09283.47001.09342.82333.28672.16413.85422.1748
C62.44191.53242.15702.17352.51441.52572.87453.47001.09282.82331.09342.16413.28672.17483.8542
C71.42132.51112.81533.46352.87451.52572.36053.85042.15473.30992.14351.10062.63731.08963.2700
C81.42132.51112.81533.46351.52572.87452.36052.15473.85042.14353.30992.63731.10063.27001.0896
H93.37352.17722.46032.55171.09283.47003.85042.15474.31381.76023.83704.07172.46614.87652.5316
H103.37352.17722.46032.55173.47001.09282.15473.85044.31383.83701.76022.46614.07172.53164.8765
H112.73012.16293.05822.47191.09342.82333.30992.14351.76023.83702.69473.98723.05624.10782.4541
H122.73012.16293.05822.47192.82331.09342.14353.30993.83701.76022.69473.05623.98722.45414.1078
H132.06852.80732.66783.81853.28672.16411.10062.63734.07172.46613.98723.05622.43341.77063.5964
H142.06852.80732.66783.81852.16413.28672.63731.10062.46614.07173.05623.98722.43343.59641.7706
H152.01573.46843.82424.31033.85422.17481.08963.27004.87652.53164.10782.45411.77063.59644.0270
H162.01573.46843.82424.31032.17483.85423.27001.08962.53164.87652.45414.10783.59641.77064.0270

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 111.867 O1 C7 H13 109.557
O1 C7 H15 106.040 O1 C8 C5 111.867
O1 C8 H14 109.557 O1 C8 H16 106.040
C2 C5 C8 110.392 C2 C5 H9 110.956
C2 C5 H11 109.787 C2 C6 C7 110.392
C2 C6 H10 110.956 C2 C6 H12 109.787
H3 C2 H4 106.612 H3 C2 C5 109.215
H3 C2 C6 109.215 H4 C2 C5 110.732
H4 C2 C6 110.732 C5 C2 C6 110.247
C5 C8 H14 109.926 C5 C8 H16 111.425
C6 C7 H13 109.926 C6 C7 H15 111.425
C7 O1 C8 112.282 C7 C6 H10 109.644
C7 C6 H12 108.734 C8 C5 H9 109.644
C8 C5 H11 108.734 H9 C5 H11 107.250
H10 C6 H12 107.250 H13 C7 H15 107.880
H14 C8 H16 107.880
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.311     -0.400
2 C -0.177     0.094
3 H 0.083     -0.002
4 H 0.095     -0.020
5 C -0.166     -0.076
6 C -0.166     -0.076
7 C 0.011     0.132
8 C 0.011     0.132
9 H 0.087     0.005
10 H 0.087     0.005
11 H 0.081     0.043
12 H 0.081     0.043
13 H 0.050     0.015
14 H 0.050     0.015
15 H 0.092     0.045
16 H 0.092     0.045


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.342 -1.369 0.000 1.411
CHELPG        
AIM        
ESP -0.368 -1.353 0.000 1.402


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.391 -0.379 0.000
y -0.379 -41.736 0.000
z 0.000 0.000 -35.989
Traceless
 xyz
x 0.472 -0.379 0.000
y -0.379 -4.546 0.000
z 0.000 0.000 4.074
Polar
3z2-r28.148
x2-y23.345
xy-0.379
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.406 -0.259 0.000
y -0.259 9.015 0.000
z 0.000 0.000 9.986


<r2> (average value of r2) Å2
<r2> 152.914
(<r2>)1/2 12.366