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

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-270.447929
Energy at 298.15K-270.457862
Nuclear repulsion energy 
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 B1B95/aug-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 3239 3103 20.39      
2 A 3217 3081 1.22      
3 A 3147 3015 31.11      
4 A 3134 3002 35.21      
5 A 3094 2964 33.51      
6 A 3077 2947 14.42      
7 A 3045 2917 47.31      
8 A 3040 2912 35.14      
9 A 1735 1662 89.21      
10 A 1486 1423 4.82      
11 A 1471 1409 5.43      
12 A 1454 1393 3.15      
13 A 1422 1362 5.47      
14 A 1387 1328 3.28      
15 A 1365 1308 1.75      
16 A 1335 1279 5.80      
17 A 1294 1239 2.58      
18 A 1276 1222 98.69      
19 A 1249 1197 6.24      
20 A 1199 1148 3.26      
21 A 1111 1064 47.70      
22 A 1094 1048 19.14      
23 A 1073 1027 15.95      
24 A 1034 990 3.39      
25 A 965 924 12.86      
26 A 943 903 0.85      
27 A 923 884 21.78      
28 A 881 844 2.14      
29 A 866 830 5.20      
30 A 758 726 13.46      
31 A 736 705 20.05      
32 A 506 485 6.76      
33 A 490 469 1.92      
34 A 446 427 11.14      
35 A 277 265 0.58      
36 A 184 177 2.60      

Unscaled Zero Point Vibrational Energy (zpe) 26975.1 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 25839.4 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 B1B95/aug-cc-pVDZ
ABC
0.17532 0.15946 0.09122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.658 1.834 -0.203
C2 0.894 1.069 -0.084
H3 -0.694 2.398 0.100
C4 -0.404 1.350 0.067
H5 -2.296 0.544 -0.519
H6 -1.859 0.182 1.141
C7 -1.449 0.278 0.125
H8 -0.723 -1.047 -1.419
H9 -1.464 -1.896 -0.056
C10 -0.834 -1.042 -0.328
H11 1.013 -2.144 0.011
H12 0.457 -1.167 1.396
C13 0.535 -1.204 0.299
O14 1.432 -0.176 -0.115

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 O14
H11.08752.43762.13514.17164.11203.49053.93024.86693.80764.03553.60673.27762.0248
C21.08752.07881.33673.26273.14182.48212.97903.78912.73923.21672.71732.33301.3567
H32.43762.07881.08722.52752.71082.25043.76484.36523.46884.85263.96373.81063.3450
C42.13511.33671.08722.13922.15321.49872.83863.41762.46253.77112.97402.73112.3943
H54.17163.26272.52752.13921.75451.09742.41172.61932.16524.29653.76533.42653.8184
H64.11203.14182.71082.15321.75451.09973.05902.43112.16983.86542.69302.89213.5411
C73.49052.48212.25041.49871.09741.09972.16042.18171.52473.45552.70852.48232.9261
H83.93022.97903.76482.83862.41173.05902.16041.76901.09672.50293.05512.13532.6646
H94.86693.78914.36523.41762.61932.43112.18171.76901.09592.49102.51652.14543.3689
C103.80762.73923.46882.46252.16522.16981.52471.09671.09592.17812.15811.51492.4351
H114.03553.21674.85263.77114.29653.86543.45552.50292.49102.17811.78391.09332.0157
H123.60672.71733.96372.97403.76532.69302.70853.05512.51652.15811.78391.10062.0537
C133.27762.33303.81062.73113.42652.89212.48232.13532.14541.51491.09331.10061.4256
O142.02481.35673.34502.39433.81843.54112.92612.66463.36892.43512.01572.05371.4256

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 123.128 H1 C2 O14 111.393
C2 C4 H3 117.726 C2 C4 C7 122.076
C2 O14 C13 113.943 H3 C4 C7 120.134
C4 C2 O14 125.479 C4 C7 H5 110.017
C4 C7 H6 110.989 C4 C7 C10 109.071
H5 C7 H6 105.977 H5 C7 C10 110.269
H6 C7 C10 110.492 C7 C10 H8 109.928
C7 C10 H9 111.670 C7 C10 C13 109.502
H8 C10 H9 107.568 H8 C10 C13 108.635
H9 C10 C13 109.472 C10 C13 H11 112.243
C10 C13 H12 110.192 C10 C13 O14 111.777
H11 C13 H12 108.798 H11 C13 O14 105.549
H12 C13 O14 108.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.546      
2 C 0.465      
3 H -0.587      
4 C 0.798      
5 H -0.227      
6 H -0.248      
7 C 0.596      
8 H -0.377      
9 H -0.213      
10 C 0.607      
11 H -0.377      
12 H -0.356      
13 C 1.062      
14 O -0.597      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.207 -0.594 0.264 1.371
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.118 0.797 0.184
y 0.797 -34.049 -0.563
z 0.184 -0.563 -37.966
Traceless
 xyz
x -2.110 0.797 0.184
y 0.797 3.993 -0.563
z 0.184 -0.563 -1.882
Polar
3z2-r2-3.765
x2-y2-4.069
xy0.797
xz0.184
yz-0.563


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.286 -0.179 -0.122
y -0.179 9.968 -0.052
z -0.122 -0.052 7.626


<r2> (average value of r2) Å2
<r2> 140.312
(<r2>)1/2 11.845