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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-270.546308
Energy at 298.15K-270.555394
Nuclear repulsion energy237.398185
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 B3LYPultrafine/6-31G*
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 3254 3117 5.31      
2 A 3147 3015 15.50      
3 A 3117 2986 44.13      
4 A 3100 2970 16.14      
5 A 3066 2938 59.18      
6 A 3049 2921 25.83      
7 A 3049 2921 29.91      
8 A 3019 2892 55.57      
9 A 1748 1675 53.03      
10 A 1551 1486 0.15      
11 A 1529 1464 0.12      
12 A 1519 1455 4.54      
13 A 1501 1438 6.88      
14 A 1446 1385 13.79      
15 A 1420 1361 9.83      
16 A 1336 1280 11.01      
17 A 1283 1229 42.70      
18 A 1263 1210 5.80      
19 A 1221 1170 14.27      
20 A 1213 1162 36.60      
21 A 1095 1049 0.80      
22 A 1077 1031 3.64      
23 A 1049 1005 29.51      
24 A 1027 984 20.02      
25 A 992 950 23.60      
26 A 939 899 19.80      
27 A 914 876 18.71      
28 A 857 821 3.39      
29 A 735 704 22.05      
30 A 710 680 2.29      
31 A 633 606 0.98      
32 A 557 533 2.08      
33 A 333 319 2.08      
34 A 224 214 6.02      
35 A 174 167 2.12      
36 A 88 84 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 26615.3 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 25497.4 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 B3LYPultrafine/6-31G*
ABC
0.25088 0.10858 0.07932

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.366 -0.819 0.070
H2 -1.894 -1.389 -0.699
H3 -1.680 -1.186 1.055
O4 0.050 -1.096 -0.070
C5 -1.538 0.716 -0.054
H6 -2.178 1.114 0.743
H7 -2.004 1.004 -1.009
C8 -0.101 1.175 0.038
H9 0.220 2.208 0.074
C10 2.196 0.004 0.007
H11 2.548 -0.512 -0.894
H12 2.656 0.994 0.048
H13 2.539 -0.582 0.869
C14 0.708 0.111 0.001

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09341.09681.44931.54962.20252.21262.36153.41713.65554.04254.41133.99272.2742
H21.09341.77872.06422.22932.90252.41523.21394.24264.37734.53185.18984.77093.0839
H31.09681.77872.06592.20602.37403.02643.01684.01134.18744.70464.95674.26662.9154
O41.44932.06422.06592.40953.24213.08372.27863.31102.41202.69453.34232.70951.3767
C51.54962.22932.20602.40951.09721.10001.51172.30983.80184.34894.20474.37762.3274
H62.20252.90252.37403.24211.09721.76352.19412.71964.57225.25974.88535.01473.1448
H72.21262.41523.02643.08371.10001.76352.17802.75044.43464.79894.77755.16503.0283
C82.36153.21393.01682.27861.51172.19412.17801.08202.57853.27652.76303.27851.3375
H93.41714.24264.01133.31102.30982.71962.75041.08202.96053.70852.72123.71362.1538
C103.65554.37734.18742.41203.80184.57224.43462.57852.96051.09691.09301.09681.4911
H114.04254.53184.70462.69454.34895.25974.79893.27653.70851.09691.77971.76462.1388
H124.41135.18984.95673.34234.20474.88534.77752.76302.72121.09301.77971.78092.1387
H133.99274.77094.26662.70954.37765.01475.16503.27853.71361.09681.76461.78092.1415
C142.27423.08392.91541.37672.32743.14483.02831.33752.15381.49112.13882.13872.1415

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 107.138 C1 C5 H6 111.492
C1 C5 H7 112.133 C1 C5 C8 100.955
H2 C1 H3 108.611 H2 C1 O4 107.723
H2 C1 C5 113.909 H3 C1 O4 107.657
H3 C1 C5 111.798 O4 C1 C5 106.876
O4 C14 C8 114.170 O4 C14 C10 114.444
C5 C8 H9 125.064 C5 C8 C14 109.395
H6 C5 H7 106.765 H6 C5 C8 113.550
H7 C5 C8 112.049 C8 C14 C10 131.382
H9 C8 C14 125.460 H11 C10 H12 108.722
H11 C10 H13 107.106 H11 C10 C14 110.541
H12 C10 H13 108.831 H12 C10 C14 110.774
H13 C10 C14 110.764
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 H 0.149      
3 H 0.146      
4 O -0.504      
5 C -0.323      
6 H 0.146      
7 H 0.147      
8 C -0.234      
9 H 0.123      
10 C -0.519      
11 H 0.169      
12 H 0.161      
13 H 0.168      
14 C 0.405      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.399 0.678 0.105 0.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.111 1.214 -0.017
y 1.214 -37.372 -0.140
z -0.017 -0.140 -36.915
Traceless
 xyz
x 5.032 1.214 -0.017
y 1.214 -2.859 -0.140
z -0.017 -0.140 -2.173
Polar
3z2-r2-4.346
x2-y25.260
xy1.214
xz-0.017
yz-0.140


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.634 -0.553 0.017
y -0.553 8.201 0.007
z 0.017 0.007 5.685


<r2> (average value of r2) Å2
<r2> 156.710
(<r2>)1/2 12.518