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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-268.939317
Energy at 298.15K-268.949608
HF Energy-268.939317
Nuclear repulsion energy243.274357
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 HF/Def2TZVPP
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 3357 3043 25.50      
2 A 3327 3016 3.86      
3 A 3245 2941 52.72      
4 A 3213 2912 69.01      
5 A 3188 2889 53.98      
6 A 3168 2872 17.01      
7 A 3152 2857 52.28      
8 A 3146 2852 34.93      
9 A 1853 1679 100.85      
10 A 1639 1485 1.71      
11 A 1618 1467 2.30      
12 A 1602 1452 2.51      
13 A 1560 1414 4.21      
14 A 1527 1384 7.21      
15 A 1498 1358 1.30      
16 A 1474 1336 4.57      
17 A 1411 1279 9.04      
18 A 1386 1256 128.84      
19 A 1359 1232 6.71      
20 A 1315 1192 2.23      
21 A 1208 1095 14.90      
22 A 1201 1088 89.29      
23 A 1135 1029 17.05      
24 A 1122 1017 3.55      
25 A 1089 987 0.51      
26 A 1011 917 25.50      
27 A 970 879 10.91      
28 A 964 874 11.66      
29 A 901 817 3.20      
30 A 842 763 27.03      
31 A 807 732 8.58      
32 A 551 500 7.51      
33 A 534 484 2.80      
34 A 486 440 12.63      
35 A 301 273 0.57      
36 A 195 177 3.57      

Unscaled Zero Point Vibrational Energy (zpe) 28677.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 25993.1 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 HF/Def2TZVPP
ABC
0.17510 0.16220 0.09161

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.749 1.719 -0.184
C2 0.950 1.015 -0.079
H3 -0.522 2.422 0.093
C4 -0.305 1.374 0.058
H5 -2.245 0.683 -0.503
H6 -1.817 0.309 1.137
C7 -1.421 0.369 0.127
H8 -0.803 -1.014 -1.398
H9 -1.573 -1.793 -0.035
C10 -0.898 -0.994 -0.319
H11 0.883 -2.189 -0.007
H12 0.408 -1.212 1.375
C13 0.466 -1.240 0.292
O14 1.395 -0.257 -0.119

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.07052.39422.09694.13934.05603.45953.93164.83703.79364.00713.58023.26042.0087
C21.07052.04431.31223.24053.10342.46562.98813.77532.74063.20572.71372.33601.3484
H32.39422.04431.07172.52012.68952.24173.75634.34673.46214.82243.96473.79923.3021
C42.09691.31221.07172.13502.14131.50322.84043.41292.47033.75662.98812.73552.3626
H54.13933.24052.52012.13501.73581.08442.39972.60822.15894.27593.76283.41813.7797
H64.05603.10342.68952.14131.73581.08643.03342.41892.15853.85222.70562.88553.4951
C73.45952.46562.24171.50321.08441.08642.14922.17381.52643.44542.72052.48542.8952
H83.93162.98813.75632.84042.39973.03342.14921.74881.08392.48213.03252.12562.6536
H94.83703.77534.34673.41292.60822.41892.17381.74881.08342.48802.50022.13803.3433
C103.79362.74063.46212.47032.15892.15851.52641.08391.08342.16782.15001.51512.4176
H114.00713.20574.82243.75664.27593.85223.44542.48212.48802.16781.75801.07882.0020
H123.58022.71373.96472.98813.76282.70562.72053.03252.50022.15001.75801.08502.0291
C133.26042.33603.79922.73553.41812.88552.48542.12562.13801.51511.07881.08501.4137
O142.00871.34843.30212.36263.77973.49512.89522.65363.34332.41762.00202.02911.4137

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 122.977 H1 C2 O14 111.775
C2 C4 H3 117.730 C2 C4 C7 122.122
C2 O14 C13 115.483 H3 C4 C7 120.127
C4 C2 O14 125.245 C4 C7 H5 110.148
C4 C7 H6 110.528 C4 C7 C10 109.249
H5 C7 H6 106.191 H5 C7 C10 110.423
H6 C7 C10 110.272 C7 C10 H8 109.678
C7 C10 H9 111.679 C7 C10 C13 109.607
H8 C10 H9 107.591 H8 C10 C13 108.608
H9 C10 C13 109.609 C10 C13 H11 112.294
C10 C13 H12 110.472 C10 C13 O14 111.223
H11 C13 H12 108.677 H11 C13 O14 106.097
H12 C13 O14 107.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.079      
2 C 0.128      
3 H 0.067      
4 C -0.206      
5 H 0.052      
6 H 0.044      
7 C -0.011      
8 H 0.048      
9 H 0.047      
10 C -0.091      
11 H 0.060      
12 H 0.037      
13 C 0.142      
14 O -0.395      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.217 -0.451 0.317 1.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.173 1.089 0.198
y 1.089 -34.098 -0.526
z 0.198 -0.526 -38.103
Traceless
 xyz
x -2.072 1.089 0.198
y 1.089 4.040 -0.526
z 0.198 -0.526 -1.967
Polar
3z2-r2-3.935
x2-y2-4.075
xy1.089
xz0.198
yz-0.526


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.419 -0.267 -0.131
y -0.267 8.843 -0.031
z -0.131 -0.031 6.828


<r2> (average value of r2) Å2
<r2> 139.593
(<r2>)1/2 11.815