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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-50.175340
Energy at 298.15K-50.188130
Nuclear repulsion energy143.129892
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/CEP-121G
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' 3085 3007 52.46      
2 A' 3051 2973 116.42      
3 A' 3032 2955 57.53      
4 A' 2989 2913 10.41      
5 A' 2969 2893 44.83      
6 A' 2943 2868 119.85      
7 A' 1523 1484 5.54      
8 A' 1509 1470 5.33      
9 A' 1504 1466 8.73      
10 A' 1406 1370 3.30      
11 A' 1381 1345 1.28      
12 A' 1303 1270 1.04      
13 A' 1280 1248 5.42      
14 A' 1176 1146 2.68      
15 A' 1042 1016 5.79      
16 A' 1016 990 7.27      
17 A' 867 845 7.57      
18 A' 845 824 17.07      
19 A' 793 773 7.18      
20 A' 556 542 4.80      
21 A' 425 414 3.29      
22 A' 377 367 4.99      
23 A' 233 227 6.26      
24 A" 3082 3003 57.71      
25 A" 3041 2963 42.77      
26 A" 2988 2912 65.46      
27 A" 2935 2860 24.99      
28 A" 1505 1467 1.32      
29 A" 1495 1457 4.02      
30 A" 1386 1351 7.96      
31 A" 1374 1339 0.16      
32 A" 1365 1330 3.73      
33 A" 1293 1260 5.52      
34 A" 1207 1176 22.09      
35 A" 1182 1152 2.10      
36 A" 1096 1068 20.97      
37 A" 1051 1024 65.39      
38 A" 984 959 6.25      
39 A" 875 853 1.61      
40 A" 818 798 1.70      
41 A" 451 439 0.01      
42 A" 228 222 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 31829.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 31017.3 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 B3LYP/CEP-121G
ABC
0.14897 0.14560 0.08324

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.466 0.000
C2 0.062 -1.475 0.000
H3 -1.001 -1.768 0.000
H4 0.647 -2.405 0.000
C5 0.368 -0.642 1.278
C6 0.368 -0.642 -1.278
C7 -0.354 0.725 -1.222
C8 -0.354 0.725 1.222
H9 0.056 -1.187 2.182
H10 0.056 -1.187 -2.182
H11 1.451 -0.468 1.356
H12 1.451 -0.468 -1.356
H13 -1.451 0.584 -1.255
H14 -1.451 0.584 1.255
H15 -0.058 1.377 -2.050
H16 -0.058 1.377 2.050

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.94163.38513.92522.49252.49251.47201.47203.43533.43532.77212.77212.11112.11112.05232.0523
C22.94161.10301.09911.55561.55562.55042.55042.20102.20102.18692.18692.84682.84683.51443.5144
H33.38511.10301.76752.18502.18502.85032.85032.49322.49323.08923.08922.70352.70353.87063.8706
H43.92521.09911.76752.19552.19553.50613.50612.56832.56832.49802.49803.86193.86194.35984.3598
C52.49251.55562.18502.19552.55572.93881.54681.10063.51631.10002.85353.35062.19343.91552.2035
C62.49251.55562.18502.19552.55571.54682.93883.51631.10062.85351.10002.19343.35062.20353.9155
C71.47202.55042.85033.50612.93881.54682.44313.92512.17823.36532.16751.10622.71221.09493.3486
C81.47202.55042.85033.50611.54682.93882.44312.17823.92512.16753.36532.71221.10623.34861.0949
H93.43532.20102.49322.56831.10063.51633.92512.17824.36401.77353.87084.14972.50304.94912.5701
H103.43532.20102.49322.56833.51631.10062.17823.92514.36403.87081.77352.50304.14972.57014.9491
H112.77212.18693.08922.49801.10002.85353.36532.16751.77353.87082.71254.04293.08814.15712.4825
H122.77212.18693.08922.49802.85351.10002.16753.36533.87081.77352.71253.08814.04292.48254.1571
H132.11112.84682.70353.86193.35062.19341.10622.71224.14972.50304.04293.08812.51021.78853.6727
H142.11112.84682.70353.86192.19343.35062.71221.10622.50304.14973.08814.04292.51023.67271.7885
H152.05233.51443.87064.35983.91552.20351.09493.34864.94912.57014.15712.48251.78853.67274.0991
H162.05233.51443.87064.35982.20353.91553.34861.09492.57014.94912.48254.15713.67271.78854.0991

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 111.287 O1 C7 H13 109.116
O1 C7 H15 105.223 O1 C8 C5 111.287
O1 C8 H14 109.116 O1 C8 H16 105.223
C2 C5 C8 110.583 C2 C5 H9 110.746
C2 C5 H11 109.686 C2 C6 C7 110.583
C2 C6 H10 110.746 C2 C6 H12 109.686
H3 C2 H4 106.767 H3 C2 C5 109.359
H3 C2 C6 109.359 H4 C2 C5 110.406
H4 C2 C6 110.406 C5 C2 C6 110.463
C5 C8 H14 110.435 C5 C8 H16 111.909
C6 C7 H13 110.435 C6 C7 H15 111.909
C7 O1 C8 112.173 C7 C6 H10 109.574
C7 C6 H12 108.780 C8 C5 H9 109.574
C8 C5 H11 108.780 H9 C5 H11 107.396
H10 C6 H12 107.396 H13 C7 H15 108.697
H14 C8 H16 108.697
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 C -0.251      
3 H 0.123      
4 H 0.144      
5 C -0.247      
6 C -0.247      
7 C -0.157      
8 C -0.157      
9 H 0.131      
10 H 0.131      
11 H 0.136      
12 H 0.136      
13 H 0.109      
14 H 0.109      
15 H 0.154      
16 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.518 -1.900 0.000 1.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.344 -0.673 0.000
y -0.673 -43.100 0.000
z 0.000 0.000 -35.210
Traceless
 xyz
x 0.811 -0.673 0.000
y -0.673 -6.322 0.000
z 0.000 0.000 5.512
Polar
3z2-r211.023
x2-y24.755
xy-0.673
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.234 -0.135 0.000
y -0.135 8.614 0.000
z 0.000 0.000 9.834


<r2> (average value of r2) Å2
<r2> 131.735
(<r2>)1/2 11.478