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All results from a given calculation for C4H6O (Furan, 2,5-dihydro-)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-231.049332
Energy at 298.15K-231.056549
HF Energy-231.049332
Nuclear repulsion energy175.024057
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 HSEh1PBE/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3240 3114 6.38      
2 A1 2993 2877 7.64      
3 A1 1706 1639 0.02      
4 A1 1521 1462 1.82      
5 A1 1398 1344 2.96      
6 A1 1119 1076 1.46      
7 A1 1008 969 8.09      
8 A1 939 902 19.74      
9 A1 763 734 7.11      
10 A2 3007 2890 0.00      
11 A2 1231 1183 0.00      
12 A2 1064 1023 0.00      
13 A2 963 925 0.00      
14 A2 405 389 0.00      
15 B1 3009 2892 89.37      
16 B1 1185 1139 2.64      
17 B1 1028 988 17.02      
18 B1 683 656 36.74      
19 B1 113 109 7.09      
20 B2 3215 3090 2.47      
21 B2 2988 2872 152.28      
22 B2 1510 1451 0.39      
23 B2 1381 1327 3.33      
24 B2 1329 1277 0.44      
25 B2 1147 1102 107.69      
26 B2 932 896 0.47      
27 B2 821 789 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 20348.2 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 19556.7 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 HSEh1PBE/cc-pVTZ
ABC
0.27043 0.26696 0.14145

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.178
C2 0.000 1.164 0.372
C3 0.000 0.661 -1.038
C4 0.000 -0.661 -1.038
C5 0.000 -1.164 0.372
H6 0.885 1.775 0.592
H7 -0.885 1.775 0.592
H8 -0.885 -1.775 0.592
H9 0.885 -1.775 0.592
H10 0.000 1.311 -1.902
H11 0.000 -1.311 -1.902

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11
O11.41572.31282.31281.41572.06872.06872.06872.06873.34783.3478
C21.41571.49692.30622.32741.09791.09793.07733.07732.27903.3611
C32.31281.49691.32232.30622.16332.16333.06193.06191.08132.1533
C42.31282.30621.32231.49693.06193.06192.16332.16332.15331.0813
C51.41572.32742.30621.49693.07733.07731.09791.09793.36112.2790
H62.06871.09792.16333.06193.07731.76983.96753.55092.68644.0655
H72.06871.09792.16333.06193.07731.76983.55093.96752.68644.0655
H82.06873.07733.06192.16331.09793.96753.55091.76984.06552.6864
H92.06873.07733.06192.16331.09793.55093.96751.76984.06552.6864
H103.34782.27901.08132.15333.36112.68642.68644.06554.06552.6222
H113.34783.36112.15331.08132.27904.06554.06552.68642.68642.6222

picture of Furan, 2,5-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 105.098 O1 C2 H6 110.135
O1 C2 H7 110.135 O1 C5 C4 105.098
O1 C5 H8 110.135 O1 C5 H9 110.135
C2 O1 C5 110.572 C2 C3 C4 109.616
C2 C3 H10 123.437 C3 C2 H6 112.042
C3 C2 H7 112.042 C3 C4 C5 109.616
C3 C4 H11 126.948 C4 C3 H10 126.948
C4 C5 H8 112.042 C4 C5 H9 112.042
C5 C4 H11 123.437 H6 C2 H7 107.409
H8 C5 H9 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.298      
2 C 0.064      
3 C -0.177      
4 C -0.177      
5 C 0.064      
6 H 0.069      
7 H 0.069      
8 H 0.069      
9 H 0.069      
10 H 0.124      
11 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.547 1.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.986 0.000 0.000
y 0.000 -26.153 0.000
z 0.000 0.000 -31.809
Traceless
 xyz
x -2.005 0.000 0.000
y 0.000 5.245 0.000
z 0.000 0.000 -3.240
Polar
3z2-r2-6.479
x2-y2-4.833
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.261 0.000 0.000
y 0.000 9.068 0.000
z 0.000 0.000 6.709


<r2> (average value of r2) Å2
<r2> 93.502
(<r2>)1/2 9.670