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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-270.896937
Energy at 298.15K-270.909933
HF Energy-270.015966
Nuclear repulsion energy259.839814
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 CCD/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' 3140 2972 40.98      
2 A' 3126 2959 51.38      
3 A' 3114 2947 30.55      
4 A' 3074 2909 10.33      
5 A' 3059 2895 24.82      
6 A' 3019 2857 82.37      
7 A' 1568 1484 3.73      
8 A' 1551 1468 4.49      
9 A' 1541 1459 6.33      
10 A' 1466 1388 9.39      
11 A' 1430 1353 0.66      
12 A' 1360 1288 3.20      
13 A' 1321 1250 5.20      
14 A' 1221 1155 3.40      
15 A' 1087 1029 7.56      
16 A' 1053 997 9.98      
17 A' 921 872 18.38      
18 A' 890 843 5.45      
19 A' 855 810 2.19      
20 A' 580 549 4.30      
21 A' 445 421 1.50      
22 A' 416 393 5.94      
23 A' 259 245 4.40      
24 A" 3137 2969 40.04      
25 A" 3120 2953 29.98      
26 A" 3073 2909 30.60      
27 A" 3013 2852 16.00      
28 A" 1552 1469 0.26      
29 A" 1532 1450 2.39      
30 A" 1435 1359 10.02      
31 A" 1430 1354 2.01      
32 A" 1392 1317 1.11      
33 A" 1333 1262 8.12      
34 A" 1272 1204 44.66      
35 A" 1224 1159 1.08      
36 A" 1181 1117 58.61      
37 A" 1098 1039 11.41      
38 A" 1013 958 2.94      
39 A" 918 869 1.09      
40 A" 846 801 0.45      
41 A" 469 444 0.01      
42 A" 248 235 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 32889.6 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 31130.0 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 CCD/6-31G*
ABC
0.15574 0.15010 0.08678

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.674 -1.256 0.000
C2 0.631 1.323 0.000
H3 1.704 1.080 0.000
H4 0.554 2.418 0.000
C5 -0.019 0.729 1.256
C6 -0.019 0.729 -1.256
C7 -0.019 -0.796 -1.178
C8 -0.019 -0.796 1.178
H9 0.504 1.057 2.165
H10 0.504 1.057 -2.165
H11 -1.059 1.074 1.333
H12 -1.059 1.074 -1.333
H13 1.018 -1.176 -1.198
H14 1.018 -1.176 1.198
H15 -0.560 -1.244 -2.019
H16 -0.560 -1.244 2.019

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.88993.33423.87362.43872.43871.42441.42443.38013.38012.71152.71152.07502.07502.02262.0226
C22.88991.10091.09791.53351.53352.50962.50962.18542.18542.16652.16652.79802.79803.47553.4755
H33.33421.10091.76422.16132.16132.80702.80702.47612.47613.06843.06842.64542.64543.82173.8217
H43.87361.09791.76422.18122.18123.47053.47052.55822.55822.48702.48703.81673.81674.32704.3270
C52.43871.53352.16132.18122.51192.87241.52701.09903.47661.09872.81123.27532.16993.86152.1832
C62.43871.53352.16132.18122.51191.52702.87243.47661.09902.81121.09872.16993.27532.18323.8615
C71.42442.50962.80703.47052.87241.52702.35633.85812.16343.29892.14521.10492.62041.09563.2736
C81.42442.50962.80703.47051.52702.87242.35632.16343.85812.14523.29892.62041.10493.27361.0956
H93.38012.18542.47612.55821.09903.47663.85812.16344.33091.77133.83174.06972.48714.89232.5384
H103.38012.18542.47612.55823.47661.09902.16343.85814.33093.83171.77132.48714.06972.53844.8923
H112.71152.16653.06842.48701.09872.81123.29892.14521.77133.83172.66553.97273.06534.10552.4678
H122.71152.16653.06842.48702.81121.09872.14523.29893.83171.77132.66553.06533.97272.46784.1055
H132.07502.79802.64543.81673.27532.16991.10492.62044.06972.48713.97273.06532.39601.78033.5841
H142.07502.79802.64543.81672.16993.27532.62041.10492.48714.06973.06533.97272.39603.58411.7803
H152.02263.47553.82174.32703.86152.18321.09563.27364.89232.53844.10552.46781.78033.58414.0386
H162.02263.47553.82174.32702.18323.86153.27361.09562.53844.89232.46784.10553.58411.78034.0386

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 111.392 O1 C7 H13 109.606
O1 C7 H15 106.025 O1 C8 C5 111.392
O1 C8 H14 109.606 O1 C8 H16 106.025
C2 C5 C8 110.170 C2 C5 H9 111.154
C2 C5 H11 109.688 C2 C6 C7 110.170
C2 C6 H10 111.154 C2 C6 H12 109.688
H3 C2 H4 106.710 H3 C2 C5 109.151
H3 C2 C6 109.151 H4 C2 C5 110.886
H4 C2 C6 110.886 C5 C2 C6 109.975
C5 C8 H14 110.039 C5 C8 H16 111.644
C6 C7 H13 110.039 C6 C7 H15 111.644
C7 O1 C8 111.609 C7 C6 H10 109.870
C7 C6 H12 108.471 C8 C5 H9 109.870
C8 C5 H11 108.471 H9 C5 H11 107.409
H10 C6 H12 107.409 H13 C7 H15 108.001
H14 C8 H16 108.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability