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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-271.741132
Energy at 298.15K-271.754034
Nuclear repulsion energy260.394932
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 mPW1PW91/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' 3125 2995 36.96      
2 A' 3114 2984 57.24      
3 A' 3102 2972 36.72      
4 A' 3057 2930 17.27      
5 A' 3043 2916 28.78      
6 A' 2985 2860 101.52      
7 A' 1492 1430 3.19      
8 A' 1475 1414 9.02      
9 A' 1466 1405 6.81      
10 A' 1407 1349 7.07      
11 A' 1374 1316 1.59      
12 A' 1324 1268 5.28      
13 A' 1279 1226 4.77      
14 A' 1174 1125 2.84      
15 A' 1060 1015 10.85      
16 A' 1029 986 8.23      
17 A' 905 867 21.96      
18 A' 858 823 4.36      
19 A' 843 808 2.88      
20 A' 560 537 3.87      
21 A' 436 418 1.55      
22 A' 396 380 3.69      
23 A' 250 240 3.77      
24 A" 3123 2993 44.63      
25 A" 3109 2979 39.78      
26 A" 3057 2930 32.52      
27 A" 2978 2854 26.08      
28 A" 1476 1415 2.29      
29 A" 1458 1397 2.77      
30 A" 1382 1325 3.05      
31 A" 1375 1317 1.26      
32 A" 1338 1282 0.00      
33 A" 1296 1242 7.97      
34 A" 1232 1180 48.56      
35 A" 1186 1136 0.24      
36 A" 1145 1098 60.63      
37 A" 1069 1024 14.85      
38 A" 977 936 2.79      
39 A" 904 866 0.48      
40 A" 815 781 0.58      
41 A" 463 444 0.01      
42 A" 236 227 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 32186.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 30844.0 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 mPW1PW91/aug-cc-pVDZ
ABC
0.15658 0.15068 0.08705

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.661 -1.261 0.000
C2 0.624 1.321 0.000
H3 1.700 1.084 0.000
H4 0.541 2.415 0.000
C5 -0.021 0.728 1.251
C6 -0.021 0.728 -1.251
C7 -0.021 -0.792 -1.174
C8 -0.021 -0.792 1.174
H9 0.511 1.048 2.158
H10 0.511 1.048 -2.158
H11 -1.059 1.079 1.340
H12 -1.059 1.079 -1.340
H13 1.019 -1.171 -1.203
H14 1.019 -1.171 1.203
H15 -0.566 -1.237 -2.014
H16 -0.566 -1.237 2.014

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88373.32763.86832.43552.43551.41651.41653.37093.37092.72572.72572.06762.06762.01652.0165
C22.88371.10161.09801.52731.52732.50122.50122.17792.17792.16482.16482.79432.79433.46633.4663
H33.32761.10161.76462.15722.15722.80332.80332.46372.46373.06723.06722.64462.64463.81843.8184
H43.86831.09801.76462.17482.17483.46153.46152.55482.55482.47882.47883.81233.81234.31584.3158
C52.43551.52732.15722.17482.50242.86171.52191.09903.46521.09962.81333.27212.16513.84992.1774
C62.43551.52732.15722.17482.50241.52192.86173.46521.09902.81331.09962.16513.27212.17743.8499
C71.41652.50122.80333.46152.86171.52192.34703.84282.15373.30072.14611.10692.62111.09633.2644
C81.41652.50122.80333.46151.52192.86172.34702.15373.84282.14613.30072.62111.10693.26441.0963
H93.37092.17792.46372.55481.09903.46523.84282.15374.31561.77123.83424.05862.46834.87742.5307
H103.37092.17792.46372.55483.46521.09902.15373.84284.31563.83421.77122.46834.05862.53074.8774
H112.72572.16483.06722.47881.09962.81333.30072.14611.77123.83422.67963.98023.06544.10572.4623
H122.72572.16483.06722.47882.81331.09962.14613.30073.83421.77122.67963.06543.98022.46234.1057
H132.06762.79432.64463.81233.27212.16511.10692.62114.05862.46833.98023.06542.40521.78163.5865
H142.06762.79432.64463.81232.16513.27212.62111.10692.46834.05863.06543.98022.40523.58651.7816
H152.01653.46633.81844.31583.84992.17741.09633.26444.87742.53074.10572.46231.78163.58654.0283
H162.01653.46633.81844.31582.17743.84993.26441.09632.53074.87742.46234.10573.58651.78164.0283

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 111.910 O1 C7 H13 109.431
O1 C7 H15 106.036 O1 C8 C5 111.910
O1 C8 H14 109.431 O1 C8 H16 106.036
C2 C5 C8 110.226 C2 C5 H9 110.994
C2 C5 H11 109.927 C2 C6 C7 110.226
C2 C6 H10 110.994 C2 C6 H12 109.927
H3 C2 H4 106.687 H3 C2 C5 109.215
H3 C2 C6 109.215 H4 C2 C5 110.813
H4 C2 C6 110.813 C5 C2 C6 110.019
C5 C8 H14 109.887 C5 C8 H16 111.503
C6 C7 H13 109.887 C6 C7 H15 111.503
C7 O1 C8 111.881 C7 C6 H10 109.459
C7 C6 H12 108.831 C8 C5 H9 109.459
C8 C5 H11 108.831 H9 C5 H11 107.333
H10 C6 H12 107.333 H13 C7 H15 107.925
H14 C8 H16 107.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.613      
2 C 0.436      
3 H -0.294      
4 H -0.201      
5 C 0.511      
6 C 0.511      
7 C 0.841      
8 C 0.841      
9 H -0.189      
10 H -0.189      
11 H -0.263      
12 H -0.263      
13 H -0.210      
14 H -0.210      
15 H -0.354      
16 H -0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.991 1.108 0.000 1.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.228 -1.701 0.000
y -1.701 -40.470 0.000
z 0.000 0.000 -35.694
Traceless
 xyz
x -1.146 -1.701 0.000
y -1.701 -3.009 0.000
z 0.000 0.000 4.155
Polar
3z2-r28.310
x2-y21.242
xy-1.701
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.694 0.160 0.000
y 0.160 9.500 0.000
z 0.000 0.000 10.295


<r2> (average value of r2) Å2
<r2> 152.160
(<r2>)1/2 12.335