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

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-270.429179
Energy at 298.15K-270.438920
Nuclear repulsion energy238.249441
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 BLYP/cc-pVDZ
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 3116 3121 28.46      
2 A 3094 3099 3.65      
3 A 3018 3023 40.17      
4 A 2999 3004 42.93      
5 A 2962 2966 49.12      
6 A 2948 2953 14.50      
7 A 2915 2919 61.88      
8 A 2908 2912 31.91      
9 A 1648 1650 66.96      
10 A 1433 1435 1.38      
11 A 1419 1421 2.39      
12 A 1408 1410 0.98      
13 A 1374 1376 3.22      
14 A 1343 1345 6.02      
15 A 1318 1320 2.05      
16 A 1299 1301 4.06      
17 A 1249 1251 2.41      
18 A 1218 1220 49.09      
19 A 1203 1205 23.89      
20 A 1162 1164 4.17      
21 A 1063 1065 3.43      
22 A 1046 1048 67.24      
23 A 1023 1025 23.90      
24 A 1002 1004 2.38      
25 A 912 913 6.05      
26 A 893 895 0.70      
27 A 869 871 15.89      
28 A 854 855 3.59      
29 A 811 812 8.85      
30 A 735 736 2.53      
31 A 712 713 19.02      
32 A 495 496 3.54      
33 A 480 481 1.54      
34 A 432 433 12.04      
35 A 276 276 0.43      
36 A 177 178 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 25905.6 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 25947.1 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 BLYP/cc-pVDZ
ABC
0.16937 0.15478 0.08806

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.659 1.878 -0.200
C2 0.889 1.102 -0.081
H3 -0.747 2.422 0.089
C4 -0.430 1.370 0.062
H5 -2.337 0.516 -0.523
H6 -1.887 0.172 1.157
C7 -1.470 0.267 0.127
H8 -0.746 -1.095 -1.430
H9 -1.466 -1.939 -0.027
C10 -0.838 -1.073 -0.323
H11 1.063 -2.156 -0.033
H12 0.499 -1.224 1.404
C13 0.562 -1.224 0.291
O14 1.461 -0.153 -0.112

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.09982.48352.16554.23394.16183.53484.01664.93633.86814.08183.68033.32702.0428
C21.09982.10881.35303.30813.17792.51113.05233.84662.78813.26362.78742.37841.3799
H32.48352.10881.09932.55652.73832.27363.83094.42153.52064.92484.07143.87953.3982
C42.16551.35301.09932.17002.18051.51782.89843.46862.50683.83053.06472.78682.4342
H54.23393.30812.55652.17001.77291.11172.43902.65192.19354.35223.84493.47823.8785
H64.16183.17792.73832.18051.77291.11483.09802.45682.20013.94212.77532.94933.5948
C73.53482.51112.27361.51781.11171.11482.19142.21121.54843.50932.78052.52622.9709
H84.01663.05233.83092.89842.43903.09802.19141.78881.11062.51953.09732.16512.7375
H94.93633.84664.42153.46862.65192.45682.21121.78881.10982.53842.53322.17403.4301
C103.86812.78813.52062.50682.19352.20011.54841.11061.10982.20752.18921.53692.4858
H114.08183.26364.92483.83054.35223.94213.50932.51952.53842.20751.80331.10662.0441
H123.68032.78744.07143.06473.84492.77532.78053.09732.53322.18921.80331.11472.0906
C133.32702.37843.87952.78683.47822.94932.52622.16512.17401.53691.10661.11471.4551
O142.04281.37993.39822.43423.87853.59482.97092.73753.43012.48582.04412.09061.4551

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 123.652 H1 C2 O14 110.425
C2 C4 H3 118.254 C2 C4 C7 121.919
C2 O14 C13 114.031 H3 C4 C7 119.778
C4 C2 O14 125.921 C4 C7 H5 110.275
C4 C7 H6 110.916 C4 C7 C10 109.683
H5 C7 H6 105.549 H5 C7 C10 110.007
H6 C7 C10 110.345 C7 C10 H8 109.914
C7 C10 H9 111.519 C7 C10 C13 109.933
H8 C10 H9 107.341 H8 C10 C13 108.661
H9 C10 C13 109.397 C10 C13 H11 112.222
C10 C13 H12 110.291 C10 C13 O14 112.339
H11 C13 H12 108.546 H11 C13 O14 105.051
H12 C13 O14 108.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.028      
2 C 0.141      
3 H -0.047      
4 C -0.080      
5 H -0.001      
6 H 0.005      
7 C 0.065      
8 H 0.008      
9 H -0.012      
10 C 0.003      
11 H -0.000      
12 H 0.004      
13 C 0.170      
14 O -0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.977 -0.641 0.227 1.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.073 0.644 0.143
y 0.644 -34.382 -0.479
z 0.143 -0.479 -37.873
Traceless
 xyz
x -1.946 0.644 0.143
y 0.644 3.591 -0.479
z 0.143 -0.479 -1.645
Polar
3z2-r2-3.291
x2-y2-3.691
xy0.644
xz0.143
yz-0.479


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.648 -0.235 -0.217
y -0.235 9.447 -0.116
z -0.217 -0.116 6.268


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000