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All results from a given calculation for C5H8O (2H-Pyran, 3,4-dihydro-)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-270.657429
Energy at 298.15K-270.667306
HF Energy-270.657429
Nuclear repulsion energy241.250515
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 TPSSh/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 3193 3092 25.56      
2 A 3170 3069 3.13      
3 A 3096 2998 36.77      
4 A 3077 2979 43.25      
5 A 3040 2944 46.70      
6 A 3028 2932 11.34      
7 A 3001 2906 50.19      
8 A 2994 2899 32.65      
9 A 1699 1645 77.59      
10 A 1511 1463 2.41      
11 A 1495 1448 2.54      
12 A 1485 1438 2.01      
13 A 1432 1386 3.15      
14 A 1395 1351 3.03      
15 A 1366 1323 1.59      
16 A 1351 1309 4.01      
17 A 1299 1257 2.82      
18 A 1268 1228 64.36      
19 A 1248 1208 23.65      
20 A 1205 1167 3.33      
21 A 1103 1068 4.90      
22 A 1085 1051 86.13      
23 A 1058 1024 9.69      
24 A 1035 1002 2.73      
25 A 947 917 1.54      
26 A 940 910 9.37      
27 A 900 871 21.44      
28 A 881 853 2.16      
29 A 842 815 5.80      
30 A 758 734 14.43      
31 A 737 714 16.08      
32 A 501 485 6.72      
33 A 482 467 1.77      
34 A 442 428 10.95      
35 A 268 260 0.48      
36 A 176 170 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 26752.4 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 25904.4 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 TPSSh/cc-pVTZ
ABC
0.17359 0.15855 0.09035

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.671 1.826 -0.189
C2 0.900 1.073 -0.081
H3 -0.691 2.403 0.097
C4 -0.395 1.362 0.062
H5 -2.292 0.555 -0.523
H6 -1.860 0.207 1.138
C7 -1.451 0.290 0.124
H8 -0.755 -1.073 -1.408
H9 -1.482 -1.889 -0.024
C10 -0.848 -1.049 -0.319
H11 1.010 -2.149 -0.016
H12 0.470 -1.205 1.388
C13 0.539 -1.215 0.293
O14 1.432 -0.179 -0.117

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08332.44792.13274.17574.10503.49403.97214.87533.82484.03303.62143.28062.0207
C21.08332.08171.33533.26443.13932.48703.01743.80092.75953.22372.74392.34611.3605
H32.44792.08171.08292.52332.69692.24653.78894.36583.48114.86044.00373.82683.3498
C42.13271.33531.08292.14292.15341.50622.86713.42842.48273.78223.01582.75122.3974
H54.17573.26442.52332.14291.75141.09392.40782.62212.16824.29763.79183.43753.8179
H64.10503.13932.69692.15341.75141.09623.05722.42622.17463.88862.73612.91493.5447
C73.49402.48702.24651.50621.09391.09622.16602.18351.53433.46742.74252.50122.9315
H83.97213.01743.78892.86712.40783.05722.16601.76381.09322.49163.05562.14222.6927
H94.87533.80094.36583.42842.62212.42622.18351.76381.09282.50552.50432.15403.3800
C103.82482.75953.48112.48272.16822.17461.53431.09321.09282.17972.16231.52532.4489
H114.03303.22374.86043.78224.29763.88863.46742.49162.50552.17971.77611.09002.0168
H123.62142.74394.00373.01583.79182.73612.74253.05562.50432.16231.77611.09742.0596
C133.28062.34613.82682.75123.43752.91492.50122.14222.15401.52531.09001.09741.4278
O142.02071.36053.34982.39743.81793.54472.93152.69273.38002.44892.01682.05961.4278

picture of 2H-Pyran, 3,4-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 123.388 H1 C2 O14 111.044
C2 C4 H3 118.452 C2 C4 C7 122.033
C2 O14 C13 114.553 H3 C4 C7 119.477
C4 C2 O14 125.568 C4 C7 H5 109.992
C4 C7 H6 110.686 C4 C7 C10 109.480
H5 C7 H6 106.192 H5 C7 C10 110.040
H6 C7 C10 110.408 C7 C10 H8 109.916
C7 C10 H9 111.327 C7 C10 C13 109.672
H8 C10 H9 107.581 H8 C10 C13 108.666
H9 C10 C13 109.618 C10 C13 H11 111.833
C10 C13 H12 109.998 C10 C13 O14 112.005
H11 C13 H12 108.576 H11 C13 O14 105.669
H12 C13 O14 108.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 C 0.017      
3 H 0.101      
4 C -0.232      
5 H 0.064      
6 H 0.064      
7 C -0.063      
8 H 0.068      
9 H 0.057      
10 C -0.126      
11 H 0.070      
12 H 0.045      
13 C 0.070      
14 O -0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.111 -0.610 0.253 1.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.883 -0.216 -0.152
y -0.216 9.582 -0.076
z -0.152 -0.076 6.875


<r2> (average value of r2) Å2
<r2> 141.090
(<r2>)1/2 11.878