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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-270.048592
Energy at 298.15K-270.061822
Nuclear repulsion energy261.615992
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/6-31G(2df,p)
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' 3234 2928 53.83      
2 A' 3216 2912 90.02      
3 A' 3204 2901 58.94      
4 A' 3166 2867 13.16      
5 A' 3152 2854 32.18      
6 A' 3121 2826 99.12      
7 A' 1644 1489 2.13      
8 A' 1621 1468 3.52      
9 A' 1606 1454 3.83      
10 A' 1559 1412 14.50      
11 A' 1508 1365 0.24      
12 A' 1444 1308 6.32      
13 A' 1386 1255 5.92      
14 A' 1287 1165 3.93      
15 A' 1140 1032 7.96      
16 A' 1095 991 15.61      
17 A' 962 871 19.85      
18 A' 931 843 3.79      
19 A' 879 796 1.24      
20 A' 607 550 4.58      
21 A' 466 422 1.79      
22 A' 422 382 5.18      
23 A' 263 238 4.20      
24 A" 3230 2924 73.22      
25 A" 3207 2904 51.78      
26 A" 3165 2866 34.14      
27 A" 3111 2817 17.44      
28 A" 1628 1474 0.00      
29 A" 1599 1448 1.20      
30 A" 1522 1378 14.01      
31 A" 1506 1364 0.42      
32 A" 1471 1332 0.35      
33 A" 1407 1274 16.57      
34 A" 1347 1220 69.73      
35 A" 1291 1169 0.70      
36 A" 1240 1123 80.26      
37 A" 1129 1022 5.27      
38 A" 1058 958 2.56      
39 A" 941 852 1.32      
40 A" 886 802 1.03      
41 A" 496 449 0.00      
42 A" 251 228 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 34198.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 30966.3 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/6-31G(2df,p)
ABC
0.15738 0.15214 0.08752

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.403 0.000
C2 0.054 -1.460 0.000
H3 -0.997 -1.747 0.000
H4 0.631 -2.381 0.000
C5 0.353 -0.633 1.253
C6 0.353 -0.633 -1.253
C7 -0.344 0.720 -1.170
C8 -0.344 0.720 1.170
H9 0.033 -1.157 2.151
H10 0.033 -1.157 -2.151
H11 1.425 -0.469 1.337
H12 1.425 -0.469 -1.337
H13 -1.428 0.583 -1.214
H14 -1.428 0.583 1.214
H15 -0.059 1.358 -1.998
H16 -0.059 1.358 1.998

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.86353.30413.83552.41692.41691.39731.39733.34343.34342.70602.70602.04572.04571.99891.9989
C22.86351.08951.08601.53091.53092.50592.50592.17202.17202.15592.15592.80072.80073.45633.4563
H33.30411.08951.74642.15252.15252.80732.80732.45642.45643.04723.04722.66262.66263.80973.8097
H43.83551.08601.74642.16802.16803.45423.45422.54562.54562.46382.46383.80693.80694.29464.2946
C52.41691.53092.15252.16802.50662.86141.52471.08713.45881.08782.80813.27692.15663.83452.1656
C62.41691.53092.15252.16802.50661.52472.86143.45881.08712.80811.08782.15663.27692.16563.8345
C71.39732.50592.80733.45422.86141.52472.33903.83252.15123.29042.13851.09282.62191.08373.2433
C81.39732.50592.80733.45421.52472.86142.33902.15123.83252.13853.29042.62191.09283.24331.0837
H93.34342.17202.45642.54561.08713.45883.83252.15124.30131.75313.81754.05972.45684.85192.5214
H103.34342.17202.45642.54563.45881.08712.15123.83254.30133.81751.75312.45684.05972.52144.8519
H112.70602.15593.04722.46381.08782.80813.29042.13851.75313.81752.67373.96893.04294.08162.4450
H122.70602.15593.04722.46382.80811.08782.13853.29043.81751.75312.67373.04293.96892.44504.0816
H132.04572.80072.66263.80693.27692.15661.09282.62194.05972.45683.96893.04292.42851.75743.5763
H142.04572.80072.66263.80692.15663.27692.62191.09282.45684.05973.04293.96892.42853.57631.7574
H151.99893.45633.80974.29463.83452.16561.08373.24334.85192.52144.08162.44501.75743.57633.9950
H161.99893.45633.80974.29462.16563.83453.24331.08372.52144.85192.44504.08163.57631.75743.9950

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 111.534 O1 C7 H13 109.869
O1 C7 H15 106.666 O1 C8 C5 111.534
O1 C8 H14 109.869 O1 C8 H16 106.666
C2 C5 C8 110.191 C2 C5 H9 110.993
C2 C5 H11 109.672 C2 C6 C7 110.191
C2 C6 H10 110.993 C2 C6 H12 109.672
H3 C2 H4 106.787 H3 C2 C5 109.303
H3 C2 C6 109.303 H4 C2 C5 110.737
H4 C2 C6 110.737 C5 C2 C6 109.907
C5 C8 H14 109.853 C5 C8 H16 111.116
C6 C7 H13 109.853 C6 C7 H15 111.116
C7 O1 C8 113.640 C7 C6 H10 109.764
C7 C6 H12 108.726 C8 C5 H9 109.764
C8 C5 H11 108.726 H9 C5 H11 107.425
H10 C6 H12 107.425 H13 C7 H15 107.687
H14 C8 H16 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.463      
2 C -0.250      
3 H 0.118      
4 H 0.126      
5 C -0.251      
6 C -0.251      
7 C -0.001      
8 C -0.001      
9 H 0.121      
10 H 0.121      
11 H 0.128      
12 H 0.128      
13 H 0.103      
14 H 0.103      
15 H 0.134      
16 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.410 -1.384 0.000 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.677 -0.373 0.000
y -0.373 -41.384 0.000
z 0.000 0.000 -35.464
Traceless
 xyz
x 0.747 -0.373 0.000
y -0.373 -4.813 0.000
z 0.000 0.000 4.066
Polar
3z2-r28.133
x2-y23.707
xy-0.373
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.284 -0.174 0.000
y -0.174 7.712 0.000
z 0.000 0.000 8.561


<r2> (average value of r2) Å2
<r2> 151.108
(<r2>)1/2 12.293