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All results from a given calculation for C4H6O (Furan, 2,3-dihydro-)

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-231.252538
Energy at 298.15K-231.259701
HF Energy-231.252538
Nuclear repulsion energy173.753866
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 TPSSh/6-31+G**
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 3271 3149 8.47      
2 A 3246 3125 1.29      
3 A 3134 3017 32.09      
4 A 3079 2963 38.92      
5 A 3053 2938 40.49      
6 A 3020 2907 48.65      
7 A 1673 1610 70.46      
8 A 1532 1474 0.30      
9 A 1509 1453 0.24      
10 A 1409 1356 4.58      
11 A 1329 1279 1.96      
12 A 1308 1259 7.48      
13 A 1247 1201 10.74      
14 A 1209 1164 11.08      
15 A 1165 1122 57.68      
16 A 1090 1049 50.11      
17 A 1072 1032 16.64      
18 A 1005 968 4.64      
19 A 935 900 18.76      
20 A 929 894 37.25      
21 A 909 875 6.28      
22 A 841 810 6.44      
23 A 826 795 4.82      
24 A 714 688 51.90      
25 A 670 645 1.85      
26 A 450 433 21.99      
27 A 118 114 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 20372.6 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19608.7 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 TPSSh/6-31+G**
ABC
0.26922 0.25839 0.13964

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.004 2.102 0.059
C2 0.552 1.119 0.030
H3 2.268 -0.256 0.013
C4 1.205 -0.050 0.006
O5 0.415 -1.164 -0.047
H6 -1.377 1.207 -0.980
H7 -1.498 1.302 0.779
C8 -0.938 0.841 -0.043
H9 -1.522 -1.185 -0.758
H10 -1.356 -1.060 1.009
C11 -0.958 -0.711 0.049

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08172.67582.16133.31992.74712.72312.31704.22554.05743.4298
C21.08172.19981.33962.28872.17852.18951.51683.19923.05682.3732
H32.67582.19981.08292.06474.05124.14683.38893.97803.84293.2586
C42.16131.33961.08291.36723.03593.11942.32123.05152.92992.2629
O53.31992.28872.06471.36723.11453.22812.41862.06312.06411.4489
H62.74712.17854.05123.03593.11451.76541.09782.40763.01582.2170
H72.72312.18954.14683.11943.22811.76541.09582.92422.37712.2084
C82.31701.51683.38892.32122.41861.09781.09582.22762.21231.5555
H94.22553.19923.97803.05152.06312.40762.92422.22761.77931.0929
H104.05743.05683.84292.92992.06413.01582.37712.21231.77931.0956
C113.42982.37323.25862.26291.44892.21702.20841.55551.09291.0956

picture of Furan, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 126.082 H1 C2 C8 125.330
C2 C4 H3 130.185 C2 C4 O5 115.457
C2 C8 H6 111.866 C2 C8 H7 112.885
C2 C8 C11 101.141 H3 C4 O5 114.355
C4 C2 C8 108.552 C4 O5 C11 106.909
O5 C11 C8 107.169 O5 C11 H9 107.703
O5 C11 H10 107.619 H6 C8 H7 107.187
H6 C8 C11 112.198 H7 C8 C11 111.632
C8 C11 H9 113.359 C8 C11 H10 111.953
H9 C11 H10 108.787
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.155      
2 C 0.001      
3 H 0.157      
4 C -0.137      
5 O -0.278      
6 H 0.164      
7 H 0.162      
8 C -0.385      
9 H 0.157      
10 H 0.156      
11 C -0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.925 0.963 0.110 1.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.756 -0.256 0.049
y -0.256 7.974 -0.004
z 0.049 -0.004 5.712


<r2> (average value of r2) Å2
<r2> 94.705
(<r2>)1/2 9.732