return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H8O (Furan, 2,3-dihydro-5-methyl-)

using model chemistry: wB97X-D/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 wB97X-D/TZVP
 hartrees
Energy at 0K-270.550476
Energy at 298.15K-270.559729
HF Energy-270.550476
Nuclear repulsion energy238.928866
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 wB97X-D/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 3269 3122 3.22      
2 A 3163 3021 13.02      
3 A 3147 3005 33.74      
4 A 3129 2988 10.57      
5 A 3107 2967 29.46      
6 A 3064 2926 18.99      
7 A 3060 2923 49.01      
8 A 3049 2912 47.01      
9 A 1756 1677 69.58      
10 A 1530 1461 1.43      
11 A 1509 1441 1.53      
12 A 1499 1432 6.52      
13 A 1481 1414 9.40      
14 A 1435 1371 26.26      
15 A 1416 1352 5.16      
16 A 1336 1276 7.17      
17 A 1282 1225 74.26      
18 A 1270 1213 1.28      
19 A 1222 1167 8.90      
20 A 1213 1159 35.46      
21 A 1090 1041 0.28      
22 A 1075 1026 3.64      
23 A 1061 1013 50.28      
24 A 1034 987 6.50      
25 A 996 951 12.35      
26 A 945 902 18.96      
27 A 929 888 28.45      
28 A 872 833 4.28      
29 A 741 708 34.32      
30 A 702 670 1.77      
31 A 641 612 1.07      
32 A 568 542 0.44      
33 A 345 329 2.68      
34 A 230 220 7.47      
35 A 173 165 2.67      
36 A 130 124 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 26733.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 25530.6 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 wB97X-D/TZVP
ABC
0.25433 0.10990 0.08054

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.361 -0.811 0.084
H2 -1.907 -1.389 -0.660
H3 -1.645 -1.153 1.082
O4 0.044 -1.086 -0.085
C5 -1.528 0.711 -0.062
H6 -2.171 1.117 0.722
H7 -1.973 0.986 -1.024
C8 -0.096 1.166 0.041
H9 0.231 2.193 0.081
C10 2.184 -0.001 0.010
H11 2.530 -0.505 -0.895
H12 2.642 0.986 0.063
H13 2.515 -0.594 0.866
C14 0.705 0.109 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.08891.09251.44241.53792.18582.19712.34733.39923.63764.02414.38743.96072.2634
H21.08891.77712.05712.21602.87332.40283.20924.23644.37234.53075.18204.74573.0831
H31.09251.77712.05452.19012.35733.01872.97653.96404.14014.66484.89784.20372.8785
O41.44242.05712.05452.38863.22693.04062.26053.28852.40122.67823.32572.69301.3688
C51.53792.21602.19012.38861.09171.09451.50612.30433.78114.31764.18074.34902.3138
H62.18582.87332.35733.22691.09171.76142.18402.70874.55255.22904.85934.99083.1315
H72.19712.40283.01873.04061.09451.76142.16552.74514.39634.74514.74095.11962.9983
C82.34733.20922.97652.26051.50612.18402.16551.07812.56233.25062.74393.25531.3269
H93.39924.23643.96403.28852.30432.70872.74511.07812.93843.67622.69613.68742.1381
C103.63764.37234.14012.40123.78114.55254.39632.56232.93841.09191.08891.09181.4835
H114.02414.53074.66482.67824.31765.22904.74513.25063.67621.09191.77501.76292.1236
H124.38745.18204.89783.32574.18074.85934.74092.74392.69611.08891.77501.77592.1264
H133.96074.74574.20372.69304.34904.99085.11963.25533.68741.09181.76291.77592.1259
C142.26343.08312.87851.36882.31383.13152.99831.32692.13811.48352.12362.12642.1259

picture of Furan, 2,3-dihydro-5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O4 C14 107.218 C1 C5 H6 111.314
C1 C5 H7 112.057 C1 C5 C8 100.907
H2 C1 H3 109.104 H2 C1 O4 107.904
H2 C1 C5 113.956 H3 C1 O4 107.478
H3 C1 C5 111.612 O4 C1 C5 106.495
O4 C14 C8 113.968 O4 C14 C10 114.615
C5 C8 H9 125.364 C5 C8 C14 109.359
H6 C5 H7 107.353 H6 C5 C8 113.470
H7 C5 C8 111.781 C8 C14 C10 131.409
H9 C8 C14 125.180 H11 C10 H12 108.962
H11 C10 H13 107.664 H11 C10 C14 110.167
H12 C10 H13 109.050 H12 C10 C14 110.576
H13 C10 C14 110.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 H 0.124      
3 H 0.121      
4 O -0.207      
5 C -0.248      
6 H 0.128      
7 H 0.127      
8 C -0.182      
9 H 0.145      
10 C -0.439      
11 H 0.139      
12 H 0.137      
13 H 0.141      
14 C 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.461 0.731 0.136 0.875
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.071 1.244 -0.014
y 1.244 -37.873 -0.261
z -0.014 -0.261 -37.466
Traceless
 xyz
x 5.599 1.244 -0.014
y 1.244 -3.104 -0.261
z -0.014 -0.261 -2.495
Polar
3z2-r2-4.989
x2-y25.802
xy1.244
xz-0.014
yz-0.261


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.362 -0.611 0.002
y -0.611 9.069 -0.013
z 0.002 -0.013 6.914


<r2> (average value of r2) Å2
<r2> 155.036
(<r2>)1/2 12.451