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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-228.107686
Energy at 298.15K-228.117434
Nuclear repulsion energy183.836877
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 HF/STO-3G
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 4221 3447 23.08      
2 A 3753 3065 1.97      
3 A 3748 3060 1.45      
4 A 3744 3057 0.23      
5 A 3627 2961 0.51      
6 A 3618 2955 0.87      
7 A 3613 2950 0.99      
8 A 3590 2931 10.23      
9 A 1830 1494 0.22      
10 A 1800 1470 1.17      
11 A 1797 1467 0.02      
12 A 1749 1428 6.04      
13 A 1645 1343 31.60      
14 A 1575 1286 2.10      
15 A 1561 1275 17.67      
16 A 1521 1242 4.07      
17 A 1503 1227 5.02      
18 A 1456 1189 0.15      
19 A 1452 1186 3.83      
20 A 1385 1130 2.95      
21 A 1308 1068 8.48      
22 A 1241 1014 6.11      
23 A 1171 956 0.80      
24 A 1170 955 1.06      
25 A 1140 931 0.83      
26 A 1059 864 0.50      
27 A 923 754 0.43      
28 A 912 745 0.71      
29 A 767 626 1.10      
30 A 476 388 7.75      
31 A 411 335 11.01      
32 A 336 274 76.16      
33 A 120 98 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 30110.9 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 24585.5 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 HF/STO-3G
ABC
0.32603 0.14467 0.11437

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.120 0.020 -1.060
H2 -2.241 0.039 0.704
C3 -1.551 0.020 -0.135
H4 -0.618 1.902 0.688
H5 -0.174 1.525 -0.986
C6 -0.442 1.100 -0.022
H7 0.719 0.001 1.508
C8 0.564 -0.011 0.421
H9 -0.673 -1.874 0.725
H10 -0.213 -1.539 -0.955
C11 -0.475 -1.090 -0.000
H12 2.321 0.677 0.035
O13 1.803 -0.108 -0.280

Atom - Atom Distances (Å)
  H1 H2 C3 H4 H5 C6 H7 C8 H9 H10 C11 H12 O13
H11.76831.08652.97632.46112.24893.82823.06612.97752.46552.24964.62104.0018
H21.76831.08662.47113.05522.21073.06772.81982.47393.05862.21144.65474.1646
C31.08651.08662.25632.20981.55122.80182.18692.25752.21191.55143.93063.3591
H42.97632.47112.25631.77291.08652.46472.26513.77693.83523.07373.25063.2921
H52.46113.05522.20981.77291.08683.05612.21043.83763.06462.81032.82632.6594
C62.24892.21071.55121.08651.08682.21321.56343.07472.80812.18972.79622.5623
H73.82823.06772.80182.46473.05612.21321.09742.46293.05012.21112.27862.0935
C83.06612.81982.18692.26512.21041.56341.09742.25662.19821.55581.92601.4269
H92.97752.47392.25753.77693.83763.07472.46292.25661.77291.08633.99323.2032
H102.46553.05862.21193.83523.06462.80813.05012.19821.77291.08673.50872.5630
C112.24962.21141.55143.07372.81032.18972.21111.55581.08631.08673.30732.4963
H124.62104.65473.93063.25062.82632.79622.27861.92603.99323.50873.30730.9912
O134.00184.16463.35913.29212.65942.56232.09351.42693.20322.56302.49630.9912

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.546 C1 C2 H7 101.258
C1 C2 H8 80.317 C1 C3 C4 121.851
C1 C3 H9 121.854 C1 C3 H10 90.068
C1 O5 H13 102.733 C2 C1 C3 35.541
C2 C1 O5 90.991 C2 C1 H6 65.507
C2 C4 C3 26.070 C2 C4 H11 45.414
C2 C4 H12 108.110 C3 C1 O5 63.880
C3 C1 H6 38.360 C3 C4 H11 28.998
C3 C4 H12 89.186 C4 C2 H7 51.480
C4 C2 H8 50.165 C4 C3 H9 113.595
C4 C3 H10 118.254 O5 C1 H6 26.187
H7 C2 H8 20.941 H9 C3 H10 46.726
H11 C4 H12 62.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.056      
2 H 0.056      
3 C -0.106      
4 H 0.052      
5 H 0.060      
6 C -0.122      
7 H 0.043      
8 C 0.072      
9 H 0.055      
10 H 0.067      
11 C -0.113      
12 H 0.172      
13 O -0.291      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.393 1.019 0.875 1.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.104 2.615 1.459
y 2.615 -29.314 0.005
z 1.459 0.005 -29.237
Traceless
 xyz
x -0.829 2.615 1.459
y 2.615 0.357 0.005
z 1.459 0.005 0.472
Polar
3z2-r20.944
x2-y2-0.790
xy2.615
xz1.459
yz0.005


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.861 0.306 -0.025
y 0.306 3.381 0.074
z -0.025 0.074 3.059


<r2> (average value of r2) Å2
<r2> 115.000
(<r2>)1/2 10.724