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

using model chemistry: HF/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 HF/cc-pVTZ
 hartrees
Energy at 0K-270.114368
Energy at 298.15K-270.127628
Nuclear repulsion energy261.884019
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/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' 3226 2936 44.91      
2 A' 3199 2911 112.70      
3 A' 3189 2902 66.27      
4 A' 3154 2870 17.71      
5 A' 3138 2856 30.10      
6 A' 3109 2829 103.97      
7 A' 1645 1497 2.44      
8 A' 1621 1476 4.97      
9 A' 1607 1462 4.60      
10 A' 1557 1417 12.09      
11 A' 1509 1373 0.82      
12 A' 1443 1313 7.24      
13 A' 1387 1262 5.50      
14 A' 1288 1172 3.87      
15 A' 1140 1038 9.07      
16 A' 1097 998 15.74      
17 A' 960 874 22.50      
18 A' 934 850 4.06      
19 A' 878 799 1.33      
20 A' 611 556 4.96      
21 A' 466 424 1.96      
22 A' 422 384 5.10      
23 A' 262 238 4.49      
24 A" 3222 2932 81.32      
25 A" 3190 2903 56.01      
26 A" 3153 2870 33.80      
27 A" 3099 2820 17.90      
28 A" 1629 1483 0.23      
29 A" 1600 1456 1.98      
30 A" 1522 1385 9.64      
31 A" 1505 1369 0.78      
32 A" 1474 1342 0.09      
33 A" 1409 1282 15.62      
34 A" 1347 1226 70.68      
35 A" 1292 1176 0.38      
36 A" 1237 1126 85.82      
37 A" 1132 1030 5.66      
38 A" 1061 965 2.70      
39 A" 942 857 1.32      
40 A" 888 808 1.37      
41 A" 499 454 0.00      
42 A" 253 230 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 34144.8 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 31075.2 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 HF/cc-pVTZ
ABC
0.15761 0.15253 0.08763

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.403 0.000
C2 0.053 -1.458 0.000
H3 -0.996 -1.746 0.000
H4 0.629 -2.376 0.000
C5 0.350 -0.634 1.252
C6 0.350 -0.634 -1.252
C7 -0.342 0.719 -1.171
C8 -0.342 0.719 1.171
H9 0.027 -1.156 2.146
H10 0.027 -1.156 -2.146
H11 1.421 -0.474 1.339
H12 1.421 -0.474 -1.339
H13 -1.423 0.587 -1.217
H14 -1.423 0.587 1.217
H15 -0.052 1.355 -1.996
H16 -0.052 1.355 1.996

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.86093.30243.83072.41582.41581.39791.39793.33983.33982.70832.70832.04272.04271.99701.9970
C22.86091.08761.08401.52801.52802.50292.50292.16742.16742.15242.15242.80012.80013.45053.4505
H33.30241.08761.74272.14872.14872.80632.80632.44972.44973.04183.04182.66572.66573.80653.8065
H43.83071.08401.74272.16352.16353.44853.44852.54102.54102.45722.45723.80413.80414.28584.2858
C52.41581.52802.14872.16352.50352.85951.52161.08513.45311.08592.80793.27582.15333.82932.1611
C62.41581.52802.14872.16352.50351.52162.85953.45311.08512.80791.08592.15333.27582.16113.8293
C71.39792.50292.80633.44852.85951.52162.34123.82802.14573.29072.13511.09082.62461.08113.2425
C81.39792.50292.80633.44851.52162.85952.34122.14573.82802.13513.29072.62461.09083.24251.0811
H93.33982.16742.44972.54101.08513.45313.82802.14574.29241.74903.81514.05622.45054.84432.5168
H103.33982.16742.44972.54103.45311.08512.14573.82804.29243.81511.74902.45054.05622.51684.8443
H112.70832.15243.04182.45721.08592.80793.29072.13511.74903.81512.67823.96863.03824.07902.4388
H122.70832.15243.04182.45722.80791.08592.13513.29073.81511.74902.67823.03823.96862.43884.0790
H132.04272.80012.66573.80413.27582.15331.09082.62464.05622.45053.96863.03822.43411.75383.5766
H142.04272.80012.66573.80412.15333.27582.62461.09082.45054.05623.03823.96862.43413.57661.7538
H151.99703.45053.80654.28583.82932.16111.08113.24254.84432.51684.07902.43881.75383.57663.9915
H161.99703.45053.80654.28582.16113.82933.24251.08112.51684.84432.43884.07903.57661.75383.9915

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 111.610 O1 C7 H13 109.707
O1 C7 H15 106.629 O1 C8 C5 111.610
O1 C8 H14 109.707 O1 C8 H16 106.629
C2 C5 C8 110.318 C2 C5 H9 110.947
C2 C5 H11 109.705 C2 C6 C7 110.318
C2 C6 H10 110.947 C2 C6 H12 109.705
H3 C2 H4 106.734 H3 C2 C5 109.318
H3 C2 C6 109.318 H4 C2 C5 110.693
H4 C2 C6 110.693 C5 C2 C6 110.013
C5 C8 H14 109.933 C5 C8 H16 111.136
C6 C7 H13 109.933 C6 C7 H15 111.136
C7 O1 C8 113.731 C7 C6 H10 109.666
C7 C6 H12 108.790 C8 C5 H9 109.666
C8 C5 H11 108.790 H9 C5 H11 107.344
H10 C6 H12 107.344 H13 C7 H15 107.700
H14 C8 H16 107.700
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.374 -0.480   -0.445
2 C -0.209 0.119   0.106
3 H 0.094 -0.018   -0.004
4 H 0.112 -0.028   -0.024
5 C -0.195 -0.070   -0.088
6 C -0.195 -0.070   -0.088
7 C 0.023 0.241   0.168
8 C 0.023 0.241   0.168
9 H 0.103 -0.009   0.003
10 H 0.103 -0.009   0.003
11 H 0.093 0.034   0.048
12 H 0.093 0.034   0.048
13 H 0.059 -0.008   0.015
14 H 0.059 -0.008   0.015
15 H 0.106 0.016   0.038
16 H 0.106 0.016   0.038


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.420 -1.431 0.000 1.492
CHELPG        
AIM        
ESP -0.446 -1.416 0.000 1.485


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.001 -0.429 0.000
y -0.429 -41.754 0.000
z 0.000 0.000 -35.744
Traceless
 xyz
x 0.748 -0.429 0.000
y -0.429 -4.882 0.000
z 0.000 0.000 4.134
Polar
3z2-r28.267
x2-y23.753
xy-0.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.794 -0.216 0.000
y -0.216 8.328 0.000
z 0.000 0.000 9.171


<r2> (average value of r2) Å2
<r2> 151.085
(<r2>)1/2 12.292