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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-270.516559
Energy at 298.15K-270.525761
Nuclear repulsion energy238.272941
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 mPW1PW91/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 3274 3137 3.62      
2 A 3175 3042 11.81      
3 A 3145 3014 32.00      
4 A 3129 2998 10.08      
5 A 3098 2969 35.03      
6 A 3062 2935 45.23      
7 A 3060 2932 23.97      
8 A 3037 2910 53.57      
9 A 1753 1680 64.32      
10 A 1509 1446 1.76      
11 A 1487 1425 1.51      
12 A 1467 1406 4.13      
13 A 1450 1390 7.95      
14 A 1410 1351 37.78      
15 A 1391 1333 2.63      
16 A 1322 1267 6.61      
17 A 1264 1211 59.47      
18 A 1256 1204 3.38      
19 A 1217 1166 25.75      
20 A 1204 1154 3.59      
21 A 1073 1028 0.29      
22 A 1056 1012 48.20      
23 A 1049 1005 4.44      
24 A 1028 985 7.89      
25 A 988 947 16.47      
26 A 953 914 10.93      
27 A 923 884 30.18      
28 A 858 822 3.48      
29 A 728 697 31.19      
30 A 700 671 3.54      
31 A 639 612 0.94      
32 A 561 538 0.27      
33 A 337 323 2.89      
34 A 229 220 7.61      
35 A 176 168 2.17      
36 A 117 112 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 26560.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 25453.0 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 mPW1PW91/aug-cc-pVDZ
ABC
0.25299 0.10938 0.08010

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.357 -0.812 0.092
H2 -1.913 -1.409 -0.638
H3 -1.629 -1.142 1.105
O4 0.047 -1.089 -0.092
C5 -1.532 0.707 -0.071
H6 -2.193 1.120 0.703
H7 -1.968 0.975 -1.046
C8 -0.105 1.171 0.047
H9 0.220 2.204 0.098
C10 2.187 0.003 0.010
H11 2.539 -0.494 -0.904
H12 2.639 0.998 0.069
H13 2.528 -0.598 0.863
C14 0.707 0.108 0.002

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09471.09911.44261.53752.19162.20512.34523.40333.63764.03394.38673.96622.2617
H21.09471.78552.05882.22332.87612.41943.22354.25944.38424.55235.19704.75673.0941
H31.09911.78552.05932.19332.36603.03712.96503.95364.13204.67184.88534.19902.8699
O41.44262.05882.05932.39183.24463.03872.26933.30342.40552.68823.33212.70341.3707
C51.53752.22332.19332.39181.09771.10131.50572.31123.78644.32594.18404.36562.3196
H62.19162.87612.36603.24461.09771.76902.18912.71364.57285.25144.87465.02583.1505
H72.20512.41943.03713.03871.10131.76902.16922.75824.39624.74294.74055.13153.0016
C82.34523.22352.96502.26931.50572.18912.16921.08452.57233.26582.74943.27461.3383
H93.40334.25943.95363.30342.31122.71362.75821.08452.95283.69582.70293.70942.1540
C103.63764.38424.13202.40553.78644.57284.39622.57232.95281.09821.09401.09791.4835
H114.03394.55234.67182.68824.32595.25144.74293.26583.69581.09821.78421.77022.1304
H124.38675.19704.88533.33214.18404.87464.74052.74942.70291.09401.78421.78552.1279
H133.96624.75674.19902.70344.36565.02585.13153.27463.70941.09791.77021.78552.1337
C142.26173.09412.86991.37072.31963.15053.00161.33832.15401.48352.13042.12792.1337

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 106.989 C1 C5 H6 111.451
C1 C5 H7 112.308 C1 C5 C8 100.819
H2 C1 H3 108.954 H2 C1 O4 107.687
H2 C1 C5 114.219 H3 C1 O4 107.461
H3 C1 C5 111.501 O4 C1 C5 106.717
O4 C14 C8 113.793 O4 C14 C10 114.810
C5 C8 H9 125.544 C5 C8 C14 109.161
H6 C5 H7 107.110 H6 C5 C8 113.539
H7 C5 C8 111.684 C8 C14 C10 131.385
H9 C8 C14 125.194 H11 C10 H12 108.954
H11 C10 H13 107.419 H11 C10 C14 110.318
H12 C10 H13 109.093 H12 C10 C14 110.380
H13 C10 C14 110.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.966      
2 H -0.308      
3 H -0.280      
4 O -0.774      
5 C 0.320      
6 H -0.155      
7 H -0.186      
8 C 0.440      
9 H -0.510      
10 C 0.276      
11 H -0.009      
12 H -0.102      
13 H -0.002      
14 C 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.402 0.675 0.109 0.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.496 1.160 -0.015
y 1.160 -37.872 -0.219
z -0.015 -0.219 -37.556
Traceless
 xyz
x 5.219 1.160 -0.015
y 1.160 -2.846 -0.219
z -0.015 -0.219 -2.373
Polar
3z2-r2-4.745
x2-y25.376
xy1.160
xz-0.015
yz-0.219


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.274 -0.555 0.004
y -0.555 9.675 -0.007
z 0.004 -0.007 7.473


<r2> (average value of r2) Å2
<r2> 155.879
(<r2>)1/2 12.485