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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-232.371115
Energy at 298.15K-232.380846
Nuclear repulsion energy185.216042
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 mPW1PW91/6-31G*
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 3805 3608 11.13      
2 A 3170 3006 55.99      
3 A 3153 2990 20.55      
4 A 3117 2955 18.26      
5 A 3109 2948 28.75      
6 A 3083 2924 19.49      
7 A 1546 1466 8.33      
8 A 1518 1440 5.83      
9 A 1462 1386 75.59      
10 A 1363 1293 0.92      
11 A 1291 1224 24.19      
12 A 1236 1172 0.14      
13 A 1181 1120 120.88      
14 A 1102 1045 45.21      
15 A 1008 955 9.01      
16 A 925 877 1.66      
17 A 771 731 3.54      
18 A 614 582 2.64      
19 A 462 438 4.73      
20 A 187 177 1.86      
21 A 3152 2989 36.82      
22 A 3079 2919 37.21      
23 A 1504 1427 1.55      
24 A 1319 1251 0.70      
25 A 1273 1207 0.84      
26 A 1264 1199 0.12      
27 A 1208 1145 0.00      
28 A 1065 1010 10.48      
29 A 959 909 6.11      
30 A 947 898 0.47      
31 A 798 757 1.04      
32 A 406 385 54.76      
33 A 317 301 67.67      

Unscaled Zero Point Vibrational Energy (zpe) 25693.9 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 24365.6 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 mPW1PW91/6-31G*
ABC
0.34081 0.14352 0.11469

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 0.659 0.000
C2 0.110 -0.447 1.077
C3 0.110 -0.447 -1.077
C4 0.669 -1.403 0.000
O5 -0.867 1.660 0.000
H6 1.069 1.185 0.000
H7 0.680 -0.284 1.995
H8 -0.918 -0.719 1.344
H9 0.680 -0.284 -1.995
H10 -0.918 -0.719 -1.344
H11 1.762 -1.414 0.000
H12 0.310 -2.434 0.000
H13 -1.728 1.223 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54371.54372.13581.39871.09382.27922.18222.27922.18222.65073.09901.9233
C21.54372.15371.54412.55992.17821.09291.09663.12852.64422.19632.26842.7074
C31.54372.15371.54412.55992.17823.12852.64421.09291.09662.19632.26842.7074
C42.13581.54411.54413.42572.61882.28702.18912.28702.18911.09341.09193.5554
O51.39872.55992.55993.42571.99303.18642.73263.18642.73264.04474.25910.9659
H61.09382.17822.17822.61881.99302.50833.06292.50833.06292.69043.69792.7976
H72.27921.09293.12852.28703.18642.50831.77973.99003.72722.53512.95583.4719
H82.18221.09662.64422.18912.73263.06291.77973.72722.68803.07792.50082.4969
H92.27923.12851.09292.28703.18642.50833.99003.72721.77972.53512.95583.4719
H102.18222.64421.09662.18912.73263.06293.72722.68801.77973.07792.50082.4969
H112.65072.19632.19631.09344.04472.69042.53513.07792.53513.07791.77464.3748
H123.09902.26842.26841.09194.25913.69792.95582.50082.95582.50081.77464.1864
H131.92332.70742.70743.55540.96592.79763.47192.49693.47192.49694.37484.1864

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.525 C1 C2 H7 118.639
C1 C2 H8 110.336 C1 C3 C4 87.525
C1 C3 H9 118.639 C1 C3 H10 110.336
C1 O5 H13 107.438 C2 C1 C3 88.466
C2 C1 O5 120.843 C2 C1 H6 110.180
C2 C4 C3 88.433 C2 C4 H11 111.611
C2 C4 H12 117.728 C3 C1 O5 120.843
C3 C1 H6 110.180 C3 C4 H11 111.611
C3 C4 H12 117.728 C4 C2 H7 119.296
C4 C2 H8 110.844 C4 C3 H9 119.296
C4 C3 H10 110.844 O5 C1 H6 105.533
H7 C2 H8 108.742 H9 C3 H10 108.742
H11 C4 H12 108.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 C -0.359      
3 C -0.359      
4 C -0.347      
5 O -0.631      
6 H 0.171      
7 H 0.174      
8 H 0.158      
9 H 0.174      
10 H 0.158      
11 H 0.176      
12 H 0.172      
13 H 0.398      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.367 -1.583 0.000 1.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.143 1.123 0.000
y 1.123 -36.057 0.000
z 0.000 0.000 -31.661
Traceless
 xyz
x 6.716 1.123 0.000
y 1.123 -6.655 0.000
z 0.000 0.000 -0.061
Polar
3z2-r2-0.122
x2-y28.914
xy1.123
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.508 -0.318 0.000
y -0.318 6.458 0.000
z 0.000 0.000 6.310


<r2> (average value of r2) Å2
<r2> 108.398
(<r2>)1/2 10.411