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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-230.968324
Energy at 298.15K-230.978305
Nuclear repulsion energy186.001182
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**
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 4176 3769 30.95      
2 A 3277 2958 108.00      
3 A 3262 2944 18.49      
4 A 3238 2923 12.22      
5 A 3218 2905 33.68      
6 A 3197 2885 32.25      
7 A 1652 1491 10.01      
8 A 1618 1460 3.58      
9 A 1570 1417 92.23      
10 A 1448 1307 1.02      
11 A 1400 1264 14.93      
12 A 1322 1193 0.21      
13 A 1261 1138 154.55      
14 A 1179 1064 34.27      
15 A 1050 948 8.39      
16 A 980 884 1.73      
17 A 817 738 4.90      
18 A 662 597 3.22      
19 A 493 445 5.58      
20 A 192 173 1.93      
21 A 3257 2940 46.26      
22 A 3191 2880 50.50      
23 A 1610 1453 0.89      
24 A 1436 1296 2.61      
25 A 1384 1250 0.46      
26 A 1369 1236 0.32      
27 A 1306 1179 0.04      
28 A 1140 1029 12.65      
29 A 1022 923 6.46      
30 A 989 893 0.30      
31 A 851 768 0.31      
32 A 422 381 36.51      
33 A 321 290 102.80      

Unscaled Zero Point Vibrational Energy (zpe) 27153.5 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 24508.7 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**
ABC
0.34175 0.14507 0.11567

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 0.662 0.000
C2 0.116 -0.438 1.077
C3 0.116 -0.438 -1.077
C4 0.654 -1.407 0.000
O5 -0.871 1.640 0.000
H6 1.061 1.193 0.000
H7 0.701 -0.277 1.975
H8 -0.900 -0.698 1.364
H9 0.701 -0.277 -1.975
H10 -0.900 -0.698 -1.364
H11 1.738 -1.449 0.000
H12 0.270 -2.419 0.000
H13 -1.722 1.232 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.53941.53942.13801.38941.08332.26402.17742.26402.17742.66233.08531.9244
C21.53942.15321.54512.54002.17041.08391.08743.11142.65602.19352.26002.7070
C31.53942.15321.54512.54002.17043.11142.65601.08391.08742.19352.26002.7070
C42.13801.54511.54513.40742.63112.27572.18612.27572.18611.08461.08293.5514
O51.38942.54002.54003.40741.98303.16982.70623.16982.70624.04334.21640.9432
H61.08332.17042.17042.63111.98302.48843.04582.48843.04582.72693.69742.7829
H72.26401.08393.11142.27573.16982.48841.76423.95033.72642.51992.94513.4712
H82.17741.08742.65602.18612.70623.04581.76423.72642.72723.06342.48842.5018
H92.26403.11141.08392.27573.16982.48843.95033.72641.76422.51992.94513.4712
H102.17742.65601.08742.18612.70623.04583.72642.72721.76423.06342.48842.5018
H112.66232.19352.19351.08464.04332.72692.51993.06342.51993.06341.76004.3773
H123.08532.26002.26001.08294.21643.69742.94512.48842.94512.48841.76004.1594
H131.92442.70702.70703.55140.94322.78293.47122.50183.47122.50184.37734.1594

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.759 C1 C2 H7 118.284
C1 C2 H8 110.799 C1 C3 C4 87.759
C1 C3 H9 118.284 C1 C3 H10 110.799
C1 O5 H13 109.689 C2 C1 C3 88.749
C2 C1 O5 120.193 C2 C1 H6 110.483
C2 C4 C3 88.339 C2 C4 H11 111.859
C2 C4 H12 117.545 C3 C1 O5 120.193
C3 C1 H6 110.483 C3 C4 H11 111.859
C3 C4 H12 117.545 C4 C2 H7 118.866
C4 C2 H8 111.093 C4 C3 H9 118.866
C4 C3 H10 111.093 O5 C1 H6 105.972
H7 C2 H8 108.691 H9 C3 H10 108.691
H11 C4 H12 108.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.239 0.012    
2 C -0.251 -0.016    
3 C -0.251 0.074    
4 C -0.250 0.038    
5 O -0.649 0.034    
6 H 0.126 -0.180    
7 H 0.123 -0.069    
8 H 0.109 0.442    
9 H 0.123 0.026    
10 H 0.109 0.051    
11 H 0.125 -0.127    
12 H 0.121 0.409    
13 H 0.328 -0.692    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.300 -1.710 0.000 1.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.616 1.292 0.000
y 1.292 -36.878 0.000
z 0.000 0.000 -32.098
Traceless
 xyz
x 6.872 1.292 0.000
y 1.292 -7.021 0.000
z 0.000 0.000 0.149
Polar
3z2-r20.298
x2-y29.263
xy1.292
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.302 -0.248 0.000
y -0.248 6.228 0.000
z 0.000 0.000 6.172


<r2> (average value of r2) Å2
<r2> 108.475
(<r2>)1/2 10.415