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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-270.428256
Energy at 298.15K-270.437422
Nuclear repulsion energy238.876595
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 B1B95/6-31G**
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 3276 3128 4.04      
2 A 3179 3035 11.87      
3 A 3139 2997 37.12      
4 A 3134 2992 11.58      
5 A 3100 2960 33.18      
6 A 3067 2929 20.06      
7 A 3056 2918 50.30      
8 A 3036 2899 50.22      
9 A 1765 1685 56.83      
10 A 1527 1458 0.40      
11 A 1502 1434 0.42      
12 A 1495 1427 3.51      
13 A 1476 1410 7.37      
14 A 1430 1366 34.20      
15 A 1407 1344 2.31      
16 A 1334 1274 10.71      
17 A 1276 1219 60.12      
18 A 1263 1206 5.74      
19 A 1221 1166 29.29      
20 A 1211 1157 3.52      
21 A 1080 1031 0.35      
22 A 1067 1018 48.75      
23 A 1059 1011 7.47      
24 A 1033 987 6.11      
25 A 994 949 11.57      
26 A 953 910 13.34      
27 A 929 887 21.96      
28 A 863 824 3.43      
29 A 737 704 24.79      
30 A 688 657 0.74      
31 A 637 608 1.17      
32 A 557 532 1.71      
33 A 333 317 2.21      
34 A 225 215 6.21      
35 A 170 163 2.40      
36 A 126 120 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 26672.0 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 25466.4 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 B1B95/6-31G**
ABC
0.25379 0.11002 0.08055

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.347 -0.812 0.101
H2 -1.914 -1.418 -0.607
H3 -1.608 -1.125 1.118
O4 0.049 -1.088 -0.099
C5 -1.530 0.703 -0.078
H6 -2.204 1.115 0.679
H7 -1.954 0.960 -1.057
C8 -0.108 1.170 0.054
H9 0.212 2.200 0.105
C10 2.181 0.006 0.011
H11 2.533 -0.493 -0.897
H12 2.639 0.993 0.069
H13 2.520 -0.593 0.860
C14 0.702 0.111 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 O4 C5 H6 H7 C8 H9 C10 H11 H12 H13 C14
C11.09081.09571.43651.53632.18702.20162.33773.39133.62324.01884.37543.94662.2495
H21.09081.77642.05442.21942.85562.42013.22434.25624.38004.55185.19604.74273.0906
H31.09571.77642.05572.18522.35913.03232.94043.92274.10634.64794.85964.16922.8477
O41.43652.05442.05572.38733.24523.01952.26783.29772.39932.67623.32632.69641.3684
C51.53632.21942.18522.38731.09361.09761.50292.30403.77784.31424.18164.35452.3110
H62.18702.85562.35913.24521.09361.76092.18802.70944.57285.24484.88245.02633.1488
H72.20162.42013.03233.01951.09761.76092.16452.75264.37604.71864.72845.10862.9820
C82.33773.22432.94042.26781.50292.18802.16451.07972.56873.26232.75223.26541.3344
H93.39134.25623.92273.29772.30402.70942.75261.07972.95023.69382.71083.70132.1486
C103.62324.38004.10632.39933.77784.57284.37602.56872.95021.09351.08941.09331.4832
H114.01884.55184.64792.67624.31425.24484.71863.26233.69381.09351.77521.76012.1264
H124.37545.19604.85963.32634.18164.88244.72842.75222.71081.08941.77521.77682.1291
H133.94664.74274.16922.69644.35455.02635.10863.26543.70131.09331.76011.77682.1303
C142.24953.09062.84771.36842.31103.14882.98201.33442.14861.48322.12642.12912.1303

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 106.614 C1 C5 H6 111.410
C1 C5 H7 112.345 C1 C5 C8 100.558
H2 C1 H3 108.670 H2 C1 O4 107.973
H2 C1 C5 114.232 H3 C1 O4 107.787
H3 C1 C5 111.141 O4 C1 C5 106.793
O4 C14 C8 114.077 O4 C14 C10 114.517
C5 C8 H9 125.490 C5 C8 C14 108.932
H6 C5 H7 106.955 H6 C5 C8 113.918
H7 C5 C8 111.737 C8 C14 C10 131.399
H9 C8 C14 125.419 H11 C10 H12 108.827
H11 C10 H13 107.200 H11 C10 C14 110.318
H12 C10 H13 108.984 H12 C10 C14 110.782
H13 C10 C14 110.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 H 0.126      
3 H 0.124      
4 O -0.511      
5 C -0.276      
6 H 0.126      
7 H 0.129      
8 C -0.210      
9 H 0.103      
10 C -0.410      
11 H 0.147      
12 H 0.134      
13 H 0.145      
14 C 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.352 0.660 0.148 0.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.696 1.185 -0.026
y 1.185 -37.028 -0.199
z -0.026 -0.199 -36.788
Traceless
 xyz
x 5.212 1.185 -0.026
y 1.185 -2.786 -0.199
z -0.026 -0.199 -2.426
Polar
3z2-r2-4.852
x2-y25.332
xy1.185
xz-0.026
yz-0.199


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.674 -0.535 0.027
y -0.535 8.225 0.007
z 0.027 0.007 5.773


<r2> (average value of r2) Å2
<r2> 154.677
(<r2>)1/2 12.437