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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-230.981821
Energy at 298.15K-230.991782
Nuclear repulsion energy186.004061
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/6-31G(2df,p)
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 4171 3777 34.07      
2 A 3262 2954 95.85      
3 A 3245 2938 21.16      
4 A 3216 2912 15.91      
5 A 3203 2900 31.95      
6 A 3181 2881 29.54      
7 A 1642 1487 10.10      
8 A 1609 1457 3.15      
9 A 1564 1417 89.62      
10 A 1445 1309 0.78      
11 A 1393 1261 13.17      
12 A 1317 1192 0.11      
13 A 1257 1138 146.77      
14 A 1178 1067 27.92      
15 A 1046 947 7.99      
16 A 974 882 1.08      
17 A 809 733 4.52      
18 A 657 595 3.08      
19 A 489 443 4.46      
20 A 192 174 1.61      
21 A 3241 2935 46.21      
22 A 3176 2876 49.77      
23 A 1600 1449 0.60      
24 A 1425 1291 2.36      
25 A 1374 1244 0.27      
26 A 1360 1232 0.33      
27 A 1298 1175 0.02      
28 A 1130 1023 10.20      
29 A 1012 917 5.44      
30 A 980 888 0.26      
31 A 844 764 0.26      
32 A 420 380 30.73      
33 A 311 281 89.95      

Unscaled Zero Point Vibrational Energy (zpe) 27009.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 24456.9 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/6-31G(2df,p)
ABC
0.34178 0.14503 0.11561

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.114 0.663 0.000
C2 0.114 -0.439 1.077
C3 0.114 -0.439 -1.077
C4 0.657 -1.407 0.000
O5 -0.868 1.641 0.000
H6 1.061 1.189 0.000
H7 0.695 -0.279 1.977
H8 -0.903 -0.701 1.360
H9 0.695 -0.279 -1.977
H10 -0.903 -0.701 -1.360
H11 1.741 -1.443 0.000
H12 0.278 -2.421 0.000
H13 -1.717 1.237 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54081.54082.13941.38641.08382.26562.17772.26562.17772.66073.08761.9188
C21.54082.15421.54642.54022.16981.08341.08733.11332.65382.19412.26122.7057
C31.54082.15421.54642.54022.16983.11332.65381.08341.08732.19412.26122.7057
C42.13941.54641.54643.40832.62692.27682.18682.27682.18681.08451.08243.5529
O51.38642.54022.54023.40831.98173.16832.70853.16832.70854.03954.22050.9405
H61.08382.16982.16982.62691.98172.48943.04602.48943.04602.71783.69352.7788
H72.26561.08343.11332.27683.16832.48941.76413.95453.72422.52162.94483.4674
H82.17771.08732.65382.18682.70853.04601.76413.72422.72043.06432.49052.5032
H92.26563.11331.08342.27683.16832.48943.95453.72421.76412.52162.94483.4674
H102.17772.65381.08732.18682.70853.04603.72422.72041.76413.06432.49052.5032
H112.66072.19412.19411.08454.03952.71782.52163.06432.52163.06431.75974.3744
H123.08762.26122.26121.08244.22053.69352.94482.49052.94482.49051.75974.1659
H131.91882.70572.70573.55290.94052.77883.46742.50323.46742.50324.37444.1659

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.737 C1 C2 H7 118.346
C1 C2 H8 110.730 C1 C3 C4 87.737
C1 C3 H9 118.346 C1 C3 H10 110.730
C1 O5 H13 109.606 C2 C1 C3 88.703
C2 C1 O5 120.317 C2 C1 H6 110.317
C2 C4 C3 88.297 C2 C4 H11 111.822
C2 C4 H12 117.586 C3 C1 O5 120.317
C3 C1 H6 110.317 C3 C4 H11 111.822
C3 C4 H12 117.586 C4 C2 H7 118.888
C4 C2 H8 111.057 C4 C3 H9 118.888
C4 C3 H10 111.057 O5 C1 H6 106.045
H7 C2 H8 108.716 H9 C3 H10 108.716
H11 C4 H12 108.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 C -0.291      
3 C -0.291      
4 C -0.268      
5 O -0.588      
6 H 0.127      
7 H 0.130      
8 H 0.118      
9 H 0.130      
10 H 0.118      
11 H 0.132      
12 H 0.130      
13 H 0.319      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.307 -1.564 0.000 1.594
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.541 1.241 0.000
y 1.241 -36.337 0.000
z 0.000 0.000 -32.002
Traceless
 xyz
x 6.628 1.241 0.000
y 1.241 -6.565 0.000
z 0.000 0.000 -0.063
Polar
3z2-r2-0.126
x2-y28.796
xy1.241
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.378 -0.291 0.000
y -0.291 6.445 0.000
z 0.000 0.000 6.395


<r2> (average value of r2) Å2
<r2> 114.427
(<r2>)1/2 10.697