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

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-271.557659
Energy at 298.15K-271.570325
Nuclear repulsion energy254.704320
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 BLYP/6-31G
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' 3045 3022 40.85      
2 A' 3011 2988 93.36      
3 A' 2996 2973 46.16      
4 A' 2959 2936 9.98      
5 A' 2941 2919 29.40      
6 A' 2901 2879 107.09      
7 A' 1507 1495 4.66      
8 A' 1494 1482 7.72      
9 A' 1493 1481 1.15      
10 A' 1388 1377 3.21      
11 A' 1363 1352 0.38      
12 A' 1278 1268 0.34      
13 A' 1266 1256 5.15      
14 A' 1158 1149 2.01      
15 A' 1025 1017 4.18      
16 A' 993 985 5.89      
17 A' 859 853 7.03      
18 A' 817 811 8.27      
19 A' 764 758 10.14      
20 A' 552 547 3.86      
21 A' 427 424 2.74      
22 A' 380 378 5.14      
23 A' 234 232 4.90      
24 A" 3041 3018 44.93      
25 A" 3001 2978 29.08      
26 A" 2958 2936 52.85      
27 A" 2894 2872 20.44      
28 A" 1490 1479 0.14      
29 A" 1483 1472 1.89      
30 A" 1369 1358 6.04      
31 A" 1356 1345 0.51      
32 A" 1348 1338 6.56      
33 A" 1280 1270 4.83      
34 A" 1183 1174 9.16      
35 A" 1159 1151 3.48      
36 A" 1055 1047 0.13      
37 A" 992 985 46.56      
38 A" 973 966 36.10      
39 A" 851 845 3.51      
40 A" 806 800 3.97      
41 A" 449 446 0.01      
42 A" 231 229 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 31383.9 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 31145.4 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 BLYP/6-31G
ABC
0.14846 0.14496 0.08300

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.468 0.000
C2 0.063 -1.482 0.000
H3 -1.005 -1.779 0.000
H4 0.654 -2.416 0.000
C5 0.364 -0.648 1.279
C6 0.364 -0.648 -1.279
C7 -0.362 0.714 -1.223
C8 -0.362 0.714 1.223
H9 0.053 -1.198 2.187
H10 0.053 -1.198 -2.187
H11 1.452 -0.469 1.358
H12 1.452 -0.469 -1.358
H13 -1.463 0.567 -1.255
H14 -1.463 0.567 1.255
H15 -0.070 1.373 -2.055
H16 -0.070 1.373 2.055

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.95153.39913.93902.49962.49961.48161.48163.44933.44932.77582.77582.12752.12752.05802.0580
C22.95151.10861.10461.55601.55602.54992.54992.20532.20532.19092.19092.84692.84693.52043.5204
H33.39911.10861.77692.18792.18792.85052.85052.49792.49793.09793.09792.69952.69953.87693.8769
H43.93901.10461.77692.20082.20083.51083.51082.57392.57392.50452.50453.86703.86704.37064.3706
C52.49961.55602.18792.20082.55752.93971.54481.10623.52271.10572.85813.35152.19443.92242.2082
C62.49961.55602.18792.20082.55751.54482.93973.52271.10622.85811.10572.19443.35152.20823.9224
C71.48162.54992.85053.51082.93971.54482.44613.93182.18183.36902.16951.11162.71541.10033.3559
C81.48162.54992.85053.51081.54482.93972.44612.18183.93182.16953.36902.71541.11163.35591.1003
H93.44932.20532.49792.57391.10623.52273.93182.18184.37381.78193.88004.15472.50734.96172.5780
H103.44932.20532.49792.57393.52271.10622.18183.93184.37383.88001.78192.50734.15472.57804.9617
H112.77582.19093.09792.50451.10572.85813.36902.16951.78193.88002.71604.04913.09534.16582.4886
H122.77582.19093.09792.50452.85811.10572.16953.36903.88001.78192.71603.09534.04912.48864.1658
H132.12752.84692.69953.86703.35152.19441.11162.71544.15472.50734.04913.09532.50921.79743.6798
H142.12752.84692.69953.86702.19443.35152.71541.11162.50734.15473.09534.04912.50923.67981.7974
H152.05803.52043.87694.37063.92242.20821.10033.35594.96172.57804.16582.48861.79743.67984.1091
H162.05803.52043.87694.37062.20823.92243.35591.10032.57804.96172.48864.16583.67981.79744.1091

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 111.355 O1 C7 H13 109.424
O1 C7 H15 104.738 O1 C8 C5 111.355
O1 C8 H14 109.424 O1 C8 H16 104.738
C2 C5 C8 110.641 C2 C5 H9 110.727
C2 C5 H11 109.638 C2 C6 C7 110.641
C2 C6 H10 110.727 C2 C6 H12 109.638
H3 C2 H4 106.815 H3 C2 C5 109.234
H3 C2 C6 109.234 H4 C2 C5 110.470
H4 C2 C6 110.470 C5 C2 C6 110.530
C5 C8 H14 110.335 C5 C8 H16 112.107
C6 C7 H13 110.335 C6 C7 H15 112.107
C7 O1 C8 111.277 C7 C6 H10 109.667
C7 C6 H12 108.748 C8 C5 H9 109.667
C8 C5 H11 108.748 H9 C5 H11 107.340
H10 C6 H12 107.340 H13 C7 H15 108.700
H14 C8 H16 108.700
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.459      
2 C -0.212      
3 H 0.106      
4 H 0.112      
5 C -0.213      
6 C -0.213      
7 C -0.017      
8 C -0.017      
9 H 0.105      
10 H 0.105      
11 H 0.122      
12 H 0.122      
13 H 0.102      
14 H 0.102      
15 H 0.128      
16 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.443 -1.681 0.000 1.739
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.136 -0.586 0.000
y -0.586 -42.167 0.000
z 0.000 0.000 -35.143
Traceless
 xyz
x 0.519 -0.586 0.000
y -0.586 -5.527 0.000
z 0.000 0.000 5.008
Polar
3z2-r210.017
x2-y24.031
xy-0.586
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 157.913
(<r2>)1/2 12.566