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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-231.225861
Energy at 298.15K-231.233069
HF Energy-231.225861
Nuclear repulsion energy174.921832
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 wB97X-D/TZVP
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 3286 3138 4.07      
2 A 3255 3108 1.92      
3 A 3148 3007 31.52      
4 A 3108 2968 25.03      
5 A 3071 2933 42.84      
6 A 3053 2916 38.80      
7 A 1711 1634 68.77      
8 A 1526 1458 1.30      
9 A 1502 1435 1.28      
10 A 1423 1359 4.61      
11 A 1344 1283 1.40      
12 A 1317 1258 9.37      
13 A 1254 1197 10.48      
14 A 1224 1169 15.85      
15 A 1186 1133 71.27      
16 A 1115 1065 52.22      
17 A 1082 1034 4.57      
18 A 1023 977 9.63      
19 A 961 918 30.89      
20 A 945 903 28.96      
21 A 936 894 3.37      
22 A 859 820 1.46      
23 A 846 808 7.15      
24 A 724 691 47.07      
25 A 696 665 3.11      
26 A 459 439 22.45      
27 A 97 92 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 20574.9 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 19649.0 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 wB97X-D/TZVP
ABC
0.27225 0.26256 0.14144

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.129 2.019 0.063
C2 0.615 1.073 0.033
H3 2.239 -0.383 0.019
C4 1.193 -0.118 0.009
O5 0.342 -1.177 -0.056
H6 -1.283 1.268 -0.990
H7 -1.415 1.386 0.762
C8 -0.879 0.887 -0.048
H9 -1.598 -1.092 -0.735
H10 -1.394 -0.960 1.024
C11 -0.998 -0.646 0.057

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.07762.64692.13873.29432.73702.71332.30804.21344.02083.4099
C21.07762.18081.32312.26822.16542.17971.50803.18963.02492.3571
H32.64692.18081.07972.05794.01864.12723.36763.97433.81343.2482
C42.13871.32311.07971.36033.00783.10282.30323.04812.90352.2541
O53.29432.26822.05791.36033.08103.21372.39862.05742.05641.4464
H62.73702.16544.01863.00783.08101.76091.09372.39423.00572.1997
H72.71332.17974.12723.10283.21371.76091.09172.90072.36082.1906
C82.30801.50803.36762.30322.39861.09371.09172.21472.19691.5408
H94.21343.18963.97433.04812.05742.39422.90072.21471.77621.0890
H104.02083.02493.81342.90352.05643.00572.36082.19691.77621.0917
C113.40992.35713.24822.25411.44642.19972.19061.54081.08901.0917

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 125.652 H1 C2 C8 125.589
C2 C4 H3 130.086 C2 C4 O5 115.394
C2 C8 H6 111.681 C2 C8 H7 112.973
C2 C8 C11 101.264 H3 C4 O5 114.513
C4 C2 C8 108.710 C4 O5 C11 106.812
O5 C11 C8 106.781 O5 C11 H9 107.644
O5 C11 H10 107.407 H6 C8 H7 107.374
H6 C8 C11 112.103 H7 C8 C11 111.495
C8 C11 H9 113.626 C8 C11 H10 111.999
H9 C11 H10 109.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.152      
2 C -0.190      
3 H 0.132      
4 C -0.049      
5 O -0.217      
6 H 0.130      
7 H 0.132      
8 C -0.251      
9 H 0.125      
10 H 0.122      
11 C -0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.793 1.018 0.109 1.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.496 0.930 0.059
y 0.930 -31.661 -0.195
z 0.059 -0.195 -31.214
Traceless
 xyz
x 4.941 0.930 0.059
y 0.930 -2.806 -0.195
z 0.059 -0.195 -2.136
Polar
3z2-r2-4.271
x2-y25.165
xy0.930
xz0.059
yz-0.195


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.504 -0.269 0.028
y -0.269 7.684 -0.025
z 0.028 -0.025 5.428


<r2> (average value of r2) Å2
<r2> 93.603
(<r2>)1/2 9.675