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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-270.548492
Energy at 298.15K-270.558461
Nuclear repulsion energy242.094768
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 mPW1PW91/6-311G**
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 3225 3085 23.47      
2 A 3203 3064 1.75      
3 A 3134 2999 34.64      
4 A 3115 2980 37.29      
5 A 3076 2943 40.39      
6 A 3061 2929 11.93      
7 A 3031 2900 51.61      
8 A 3027 2896 31.20      
9 A 1733 1658 80.19      
10 A 1507 1442 3.96      
11 A 1490 1425 4.92      
12 A 1476 1412 3.14      
13 A 1436 1374 3.22      
14 A 1404 1343 3.29      
15 A 1378 1318 1.51      
16 A 1354 1296 3.66      
17 A 1311 1254 3.59      
18 A 1288 1232 105.52      
19 A 1263 1209 5.59      
20 A 1216 1164 3.84      
21 A 1115 1067 56.89      
22 A 1107 1059 19.59      
23 A 1079 1032 11.16      
24 A 1044 999 3.39      
25 A 963 922 11.10      
26 A 959 917 3.34      
27 A 922 883 23.76      
28 A 892 853 1.41      
29 A 863 826 3.98      
30 A 769 736 11.90      
31 A 747 715 20.04      
32 A 514 491 7.33      
33 A 496 475 2.00      
34 A 452 432 14.44      
35 A 281 269 0.58      
36 A 183 175 3.06      

Unscaled Zero Point Vibrational Energy (zpe) 27056.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 25885.1 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 mPW1PW91/6-311G**
ABC
0.17487 0.15972 0.09101

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.655 1.831 -0.195
C2 0.891 1.072 -0.082
H3 -0.698 2.395 0.097
C4 -0.403 1.353 0.064
H5 -2.293 0.540 -0.522
H6 -1.860 0.192 1.137
C7 -1.448 0.279 0.124
H8 -0.738 -1.065 -1.410
H9 -1.465 -1.896 -0.035
C10 -0.837 -1.048 -0.321
H11 1.020 -2.138 -0.007
H12 0.471 -1.187 1.388
C13 0.542 -1.206 0.293
O14 1.430 -0.171 -0.116

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08332.43672.12864.16624.10093.48443.94834.86353.81044.02463.60803.27182.0167
C21.08332.07561.33273.25793.13502.47872.99703.78952.74563.21332.72722.33481.3548
H32.43672.07561.08282.52322.69942.24513.77424.36093.47134.84893.98293.81383.3402
C42.12861.33271.08282.13882.15031.50012.85183.41992.47083.77142.99552.73852.3910
H54.16623.25792.52322.13881.74941.09452.40512.61862.16424.29143.77803.42833.8117
H64.10093.13502.69942.15031.74941.09713.05362.42632.16983.87712.72012.90453.5390
C73.48442.47872.24511.50011.09451.09712.15962.18091.52753.45762.72662.48962.9231
H83.94832.99703.77422.85182.40513.05362.15961.76321.09392.49183.05062.13512.6778
H94.86353.78954.36093.41992.61862.42632.18091.76321.09282.49742.50612.14793.3709
C103.81042.74563.47132.47082.16422.16981.52751.09391.09282.17622.15691.51802.4394
H114.02463.21334.84893.77144.29143.87713.45762.49182.49742.17621.77591.08962.0123
H123.60802.72723.98292.99553.77802.72012.72663.05062.50612.15691.77591.09742.0527
C133.27182.33483.81382.73853.42832.90452.48962.13512.14791.51801.08961.09741.4239
O142.01671.35483.34022.39103.81173.53902.92312.67783.37092.43942.01232.05271.4239

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 123.206 H1 C2 O14 111.134
C2 C4 H3 118.101 C2 C4 C7 121.977
C2 O14 C13 114.313 H3 C4 C7 119.874
C4 C2 O14 125.659 C4 C7 H5 110.059
C4 C7 H6 110.827 C4 C7 C10 109.387
H5 C7 H6 105.923 H5 C7 C10 110.156
H6 C7 C10 110.447 C7 C10 H8 109.835
C7 C10 H9 111.593 C7 C10 C13 109.658
H8 C10 H9 107.481 H8 C10 C13 108.572
H9 C10 C13 109.631 C10 C13 H11 112.087
C10 C13 H12 110.069 C10 C13 O14 111.990
H11 C13 H12 108.585 H11 C13 O14 105.608
H12 C13 O14 108.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.115      
2 C 0.118      
3 H 0.112      
4 C -0.271      
5 H 0.137      
6 H 0.136      
7 C -0.198      
8 H 0.146      
9 H 0.129      
10 C -0.321      
11 H 0.126      
12 H 0.127      
13 C -0.027      
14 O -0.329      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.136 -0.551 0.281 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.790 0.868 0.157
y 0.868 -33.445 -0.565
z 0.157 -0.565 -37.679
Traceless
 xyz
x -2.228 0.868 0.157
y 0.868 4.289 -0.565
z 0.157 -0.565 -2.061
Polar
3z2-r2-4.122
x2-y2-4.344
xy0.868
xz0.157
yz-0.565


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.282 -0.256 -0.172
y -0.256 8.903 -0.070
z -0.172 -0.070 6.314


<r2> (average value of r2) Å2
<r2> 140.187
(<r2>)1/2 11.840