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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-270.641502
Energy at 298.15K-270.651438
HF Energy-270.641502
Nuclear repulsion energy241.047555
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 B3LYP/TZVP
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 3202 3091 20.57      
2 A 3180 3070 1.77      
3 A 3107 2999 34.18      
4 A 3081 2975 40.27      
5 A 3048 2943 42.55      
6 A 3036 2931 11.41      
7 A 3008 2904 49.50      
8 A 3002 2898 28.34      
9 A 1703 1644 79.20      
10 A 1510 1458 2.96      
11 A 1495 1443 4.26      
12 A 1484 1432 2.70      
13 A 1433 1384 2.76      
14 A 1401 1353 3.23      
15 A 1373 1325 1.08      
16 A 1359 1312 3.60      
17 A 1304 1259 3.49      
18 A 1274 1230 75.50      
19 A 1253 1210 18.55      
20 A 1215 1173 3.09      
21 A 1109 1071 4.90      
22 A 1093 1055 95.73      
23 A 1059 1023 10.21      
24 A 1041 1005 3.02      
25 A 951 918 1.27      
26 A 939 907 10.33      
27 A 901 869 17.80      
28 A 889 859 9.70      
29 A 841 812 6.05      
30 A 765 739 9.68      
31 A 741 716 25.71      
32 A 515 497 4.99      
33 A 499 482 2.07      
34 A 451 435 14.36      
35 A 279 270 0.50      
36 A 181 175 3.15      

Unscaled Zero Point Vibrational Energy (zpe) 26860.3 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 25930.9 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 B3LYP/TZVP
ABC
0.17257 0.15889 0.09001

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.075 1.297 -0.086
C2 1.182 0.760 -0.038
H3 -0.022 2.406 -0.329
C4 0.005 1.401 -0.046
H5 -2.120 1.247 -0.032
H6 -1.289 0.498 1.337
C7 -1.234 0.679 0.263
H8 -1.021 -0.603 -1.478
H9 -2.006 -1.310 -0.169
C10 -1.133 -0.696 -0.398
H11 0.276 -2.349 -0.133
H12 -0.019 -1.364 1.309
C13 0.117 -1.332 0.226
O14 1.313 -0.587 -0.058

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.04352.38502.07354.19603.73893.38433.89054.84403.79014.06613.66263.29292.0324
C21.04352.06011.34063.33792.83972.43592.96403.80372.75863.23962.78742.36221.3535
H32.38502.06011.04412.41492.83222.19103.37244.21583.29564.76824.11083.78183.2887
C42.07351.34061.04412.13052.09811.46662.66873.37832.41203.76103.07982.74942.3804
H54.19603.33792.41492.13051.76861.09342.59342.56412.21014.32263.61033.42473.8930
H63.73892.83972.83222.09811.76861.09033.03512.46062.11203.56532.25402.56133.1453
C73.38432.43592.19101.46661.09341.09032.17362.17791.52953.40682.59722.42362.8628
H83.89052.96403.37242.66872.59343.03512.17361.78461.09002.55743.05802.17562.7327
H94.84403.80374.21583.37832.56412.46062.17791.78461.09172.50752.47732.16043.3994
C103.79012.75863.29562.41202.21012.11201.52951.09001.09172.18832.14531.53612.4728
H114.06613.23964.76823.76104.32263.56533.40682.55742.50752.18831.77021.08972.0461
H123.66262.78744.11083.07983.61032.25402.59723.05802.47732.14531.77021.09152.0609
C133.29292.36223.78182.74943.42472.56132.42362.17562.16041.53611.08971.09151.4375
O142.03241.35353.28872.38043.89303.14532.86282.73273.39942.47282.04612.06091.4375

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 120.346 H1 C2 O14 115.368
C2 C4 H3 118.984 C2 C4 C7 120.318
C2 O14 C13 115.609 H3 C4 C7 120.603
C4 C2 O14 124.148 C4 C7 H5 111.824
C4 C7 H6 109.397 C4 C7 C10 107.210
H5 C7 H6 108.172 H5 C7 C10 113.800
H6 C7 C10 106.239 C7 C10 H8 111.043
C7 C10 H9 111.281 C7 C10 C13 104.482
H8 C10 H9 109.759 H8 C10 C13 110.739
H9 C10 C13 109.431 C10 C13 H11 111.771
C10 C13 H12 108.277 C10 C13 O14 112.482
H11 C13 H12 108.494 H11 C13 O14 107.320
H12 C13 O14 108.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.107      
2 C -0.007      
3 H 0.128      
4 C -0.201      
5 H 0.126      
6 H 0.120      
7 C -0.197      
8 H 0.129      
9 H 0.127      
10 C -0.263      
11 H 0.134      
12 H 0.115      
13 C -0.095      
14 O -0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.306 -0.562 0.291 1.451
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.615 0.977 0.203
y 0.977 -34.121 -0.560
z 0.203 -0.560 -38.290
Traceless
 xyz
x -2.409 0.977 0.203
y 0.977 4.331 -0.560
z 0.203 -0.560 -1.922
Polar
3z2-r2-3.844
x2-y2-4.493
xy0.977
xz0.203
yz-0.560


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.851 -0.283 -0.154
y -0.283 9.444 -0.063
z -0.154 -0.063 7.053


<r2> (average value of r2) Å2
<r2> 141.755
(<r2>)1/2 11.906