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

using model chemistry: MP2/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-270.486861
Energy at 298.15K-270.499570
HF Energy-269.931566
Nuclear repulsion energy253.645870
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 MP2/SDD
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' 3138 3029 39.33      
2 A' 3102 2994 85.55      
3 A' 3087 2980 35.12      
4 A' 3033 2927 13.52      
5 A' 3019 2914 37.63      
6 A' 3000 2896 106.92      
7 A' 1535 1482 7.16      
8 A' 1518 1466 2.64      
9 A' 1515 1463 9.38      
10 A' 1418 1369 1.07      
11 A' 1402 1353 3.35      
12 A' 1298 1253 0.68      
13 A' 1291 1246 4.51      
14 A' 1205 1164 2.43      
15 A' 1047 1011 6.01      
16 A' 1022 987 7.03      
17 A' 879 849 7.63      
18 A' 837 808 12.35      
19 A' 769 743 10.31      
20 A' 551 532 5.38      
21 A' 419 404 3.57      
22 A' 370 357 5.01      
23 A' 237 228 7.30      
24 A" 3135 3027 41.47      
25 A" 3094 2987 29.07      
26 A" 3032 2927 60.79      
27 A" 2998 2894 25.33      
28 A" 1522 1469 0.70      
29 A" 1504 1452 4.21      
30 A" 1409 1360 0.68      
31 A" 1393 1344 0.00      
32 A" 1377 1329 8.58      
33 A" 1300 1255 3.69      
34 A" 1209 1167 13.39      
35 A" 1174 1134 5.28      
36 A" 1100 1062 3.03      
37 A" 1038 1002 59.76      
38 A" 996 962 11.31      
39 A" 875 845 1.08      
40 A" 818 789 1.51      
41 A" 445 430 0.05      
42 A" 230 222 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 32169.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 31053.4 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 MP2/SDD
ABC
0.14710 0.14371 0.08253

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 1.475 0.000
C2 0.052 -1.488 0.000
H3 -1.026 -1.753 0.000
H4 0.631 -2.430 0.000
C5 0.377 -0.650 1.282
C6 0.377 -0.650 -1.282
C7 -0.370 0.714 -1.231
C8 -0.370 0.714 1.231
H9 0.082 -1.201 2.197
H10 0.082 -1.201 -2.197
H11 1.466 -0.456 1.331
H12 1.466 -0.456 -1.331
H13 -1.469 0.555 -1.238
H14 -1.469 0.555 1.238
H15 -0.086 1.378 -2.061
H16 -0.086 1.378 2.061

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.96313.38653.95592.51052.51051.49361.49363.46363.46362.76542.76542.13032.13032.06522.0652
C22.96311.11001.10611.56571.56572.55732.55732.21602.21602.19862.19862.83192.83193.53313.5331
H33.38651.11001.78992.19722.19722.83342.83342.52162.52163.10813.10812.65582.65583.86473.8647
H43.95591.10611.78992.20862.20863.52173.52172.57672.57672.52332.52333.85423.85424.38974.3897
C52.51051.56572.19722.20862.56472.95541.55601.10813.53521.10702.83733.34882.20543.93812.2218
C62.51051.56572.19722.20862.56471.55602.95543.53521.10812.83731.10702.20543.34882.22183.9381
C71.49362.55732.83343.52172.95541.55602.46173.95262.19223.36132.17891.11112.70751.10093.3705
C81.49362.55732.83343.52171.55602.95542.46172.19223.95262.17893.36132.70751.11113.37051.1009
H93.46362.21602.52162.57671.10813.53523.95262.19224.39441.79513.86224.15832.53184.98172.5888
H103.46362.21602.52162.57673.53521.10812.19223.95264.39443.86221.79512.53184.15832.58884.9817
H112.76542.19863.10812.52331.10702.83733.36132.17891.79513.86222.66124.02933.10574.15652.5111
H122.76542.19863.10812.52332.83731.10702.17893.36133.86221.79512.66123.10574.02932.51114.1565
H132.13032.83192.65583.85423.34882.20541.11112.70754.15832.53184.02933.10572.47631.80853.6714
H142.13032.83192.65583.85422.20543.34882.70751.11112.53184.15833.10574.02932.47633.67141.8085
H152.06523.53313.86474.38973.93812.22181.10093.37054.98172.58884.15652.51111.80853.67144.1224
H162.06523.53313.86474.38972.22183.93813.37051.10092.58884.98172.51114.15653.67141.80854.1224

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 110.802 O1 C7 H13 108.861
O1 C7 H15 104.483 O1 C8 C5 110.802
O1 C8 H14 108.861 O1 C8 H16 104.483
C2 C5 C8 110.008 C2 C5 H9 110.781
C2 C5 H11 109.502 C2 C6 C7 110.008
C2 C6 H10 110.781 C2 C6 H12 109.502
H3 C2 H4 107.742 H3 C2 C5 109.222
H3 C2 C6 109.222 H4 C2 C5 110.320
H4 C2 C6 110.320 C5 C2 C6 109.969
C5 C8 H14 110.449 C5 C8 H16 112.358
C6 C7 H13 110.449 C6 C7 H15 112.358
C7 O1 C8 110.992 C7 C6 H10 109.596
C7 C6 H12 108.640 C8 C5 H9 109.596
C8 C5 H11 108.640 H9 C5 H11 108.266
H10 C6 H12 108.266 H13 C7 H15 109.688
H14 C8 H16 109.688
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability