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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-231.310665
Energy at 298.15K-231.317842
Nuclear repulsion energy174.343918
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 B3LYP/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 A 3245 3137 6.18      
2 A 3219 3111 2.10      
3 A 3102 2999 33.55      
4 A 3056 2954 42.46      
5 A 3036 2934 33.12      
6 A 3009 2908 42.05      
7 A 1678 1622 59.17      
8 A 1523 1472 0.59      
9 A 1501 1451 0.46      
10 A 1408 1361 3.28      
11 A 1326 1282 0.45      
12 A 1308 1264 10.36      
13 A 1250 1208 7.17      
14 A 1210 1169 6.56      
15 A 1164 1125 52.18      
16 A 1088 1052 41.58      
17 A 1075 1039 25.98      
18 A 1002 969 4.76      
19 A 932 901 14.16      
20 A 928 897 37.07      
21 A 925 894 9.89      
22 A 846 818 2.90      
23 A 838 810 6.21      
24 A 721 696 39.15      
25 A 693 670 3.21      
26 A 462 447 19.44      
27 A 95 92 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 20318.7 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 19640.1 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 B3LYP/cc-pVTZ
ABC
0.27037 0.26087 0.14020

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.078 2.049 0.078
C2 0.590 1.090 0.042
H3 2.251 -0.325 0.020
C4 1.198 -0.089 0.009
O5 0.372 -1.174 -0.065
H6 -1.301 1.227 -1.011
H7 -1.466 1.366 0.732
C8 -0.901 0.868 -0.058
H9 -1.591 -1.142 -0.703
H10 -1.354 -0.977 1.048
C11 -0.985 -0.669 0.068

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.07702.64882.14303.30262.74292.71452.30924.23294.00183.4131
C21.07702.18201.32712.27682.16842.18651.51113.20793.01062.3617
H32.64882.18201.07902.06294.01054.14523.37143.99303.80433.2546
C42.14301.32711.07901.36503.00253.12052.30833.06432.89442.2597
O53.30262.27682.06291.36503.07523.23532.40682.06402.06311.4545
H62.74292.16844.01053.00253.07521.75671.09422.40633.01662.2042
H72.71452.18654.14523.12053.23531.75671.09112.89232.36722.1945
C82.30921.51113.37142.30832.40681.09421.09112.22092.19841.5450
H94.23293.20793.99303.06432.06402.40632.89232.22091.77421.0878
H104.00183.01063.80432.89442.06313.01662.36722.19841.77421.0914
C113.41312.36173.25462.25971.45452.20422.19451.54501.08781.0914

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 125.775 H1 C2 C8 125.480
C2 C4 H3 129.867 C2 C4 O5 115.492
C2 C8 H6 111.679 C2 C8 H7 113.349
C2 C8 C11 101.203 H3 C4 O5 114.636
C4 C2 C8 108.667 C4 O5 C11 106.494
O5 C11 C8 106.685 O5 C11 H9 107.687
O5 C11 H10 107.408 H6 C8 H7 107.008
H6 C8 C11 112.142 H7 C8 C11 111.545
C8 C11 H9 113.909 C8 C11 H10 111.840
H9 C11 H10 109.007
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.120     0.135
2 C -0.222     -0.372
3 H 0.124     0.138
4 C 0.020     0.017
5 O -0.263     -0.273
6 H 0.091     -0.046
7 H 0.092     -0.062
8 C -0.155     0.336
9 H 0.086     0.038
10 H 0.076     0.043
11 C 0.029     0.048


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.740 0.893 0.086 1.163
CHELPG        
AIM        
ESP -0.780 0.848 0.090 1.155


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.009 0.889 0.042
y 0.889 -31.720 -0.123
z 0.042 -0.123 -31.253
Traceless
 xyz
x 4.478 0.889 0.042
y 0.889 -2.589 -0.123
z 0.042 -0.123 -1.889
Polar
3z2-r2-3.778
x2-y24.711
xy0.889
xz0.042
yz-0.123


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.770 -0.200 0.034
y -0.200 7.807 -0.025
z 0.034 -0.025 5.277


<r2> (average value of r2) Å2
<r2> 94.268
(<r2>)1/2 9.709