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All results from a given calculation for C4H6O (Furan, 2,3-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 C1 1A
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-231.055192
Energy at 298.15K-231.062415
HF Energy-231.055192
Nuclear repulsion energy175.121567
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 A 3268 3141 4.71      
2 A 3237 3111 2.34      
3 A 3125 3004 29.99      
4 A 3084 2964 28.67      
5 A 3050 2931 41.85      
6 A 3029 2911 39.93      
7 A 1698 1632 62.57      
8 A 1516 1457 1.19      
9 A 1491 1433 0.96      
10 A 1413 1358 4.49      
11 A 1329 1278 1.85      
12 A 1307 1256 8.24      
13 A 1253 1204 9.19      
14 A 1214 1167 14.72      
15 A 1173 1127 71.58      
16 A 1105 1062 33.58      
17 A 1076 1034 5.16      
18 A 1023 984 8.47      
19 A 959 922 20.15      
20 A 947 910 37.20      
21 A 933 897 3.58      
22 A 854 821 1.29      
23 A 843 810 6.72      
24 A 725 697 41.02      
25 A 691 664 2.10      
26 A 464 446 19.97      
27 A 107 103 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 20456.8 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 19661.1 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 HSEh1PBE/cc-pVTZ
ABC
0.27340 0.26284 0.14179

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.020 1.900 0.530
C2 0.587 1.035 0.131
H3 2.228 -0.308 0.051
C4 1.182 -0.148 -0.001
O5 0.269 -1.170 -0.205
H6 -0.871 0.715 -1.336
H7 -1.510 1.596 0.089
C8 -0.808 0.840 -0.250
H9 -1.913 -1.029 -0.055
H10 -0.965 -0.554 1.378
C11 -0.984 -0.553 0.284

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.04662.56282.12193.24512.90822.58532.25224.18593.26833.1773
C21.04662.12211.33022.25292.09232.17091.45923.24712.54762.2394
H32.56282.12211.05952.15583.54584.19503.26004.20433.46723.2302
C42.12191.33021.05951.38622.59593.20832.23563.21832.58482.2226
O53.24512.25292.15581.38622.47623.30132.28082.19092.10001.4798
H62.90822.09233.54582.59592.47621.79221.09472.40232.99782.0610
H72.58532.17094.19503.20833.30131.79221.08532.65982.56532.2210
C82.25221.45923.26002.23562.28081.09471.08532.18022.14931.5027
H94.18593.24714.20433.21832.19092.40232.65982.18021.78261.0970
H103.26832.54763.46722.58482.10002.99782.56532.14931.78261.0942
C113.17732.23943.23022.22261.47982.06102.22101.50271.09701.0942

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 126.025 H1 C2 C8 127.217
C2 C4 H3 124.859 C2 C4 O5 112.052
C2 C8 H6 109.191 C2 C8 H7 116.344
C2 C8 C11 98.222 H3 C4 O5 123.086
C4 C2 C8 106.449 C4 O5 C11 101.653
O5 C11 C8 99.761 O5 C11 H9 115.672
O5 C11 H10 108.412 H6 C8 H7 110.591
H6 C8 C11 103.913 H7 C8 C11 117.316
C8 C11 H9 113.060 C8 C11 H10 110.734
H9 C11 H10 108.883
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 H 0.126      
2 C -0.248      
3 H 0.129      
4 C 0.015      
5 O -0.238      
6 H 0.092      
7 H 0.092      
8 C -0.150      
9 H 0.083      
10 H 0.072      
11 C 0.028      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.734 0.834 0.097 1.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.792 0.947 0.054
y 0.947 -31.305 -0.132
z 0.054 -0.132 -31.078
Traceless
 xyz
x 4.400 0.947 0.054
y 0.947 -2.370 -0.132
z 0.054 -0.132 -2.030
Polar
3z2-r2-4.059
x2-y24.513
xy0.947
xz0.054
yz-0.132


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.691 -0.207 0.039
y -0.207 7.709 -0.029
z 0.039 -0.029 5.251


<r2> (average value of r2) Å2
<r2> 93.391
(<r2>)1/2 9.664