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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-231.697430
Energy at 298.15K-231.707216
HF Energy-230.948658
Nuclear repulsion energy184.532328
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3745 3566 10.32      
2 A 3155 3005 59.86      
3 A 3141 2991 16.10      
4 A 3108 2960 16.22      
5 A 3096 2949 25.95      
6 A 3073 2927 19.64      
7 A 1567 1492 5.96      
8 A 1541 1468 5.58      
9 A 1477 1406 75.21      
10 A 1375 1309 1.53      
11 A 1306 1244 20.19      
12 A 1248 1188 0.04      
13 A 1185 1129 97.15      
14 A 1117 1064 51.52      
15 A 1011 963 11.27      
16 A 937 892 1.78      
17 A 780 743 4.13      
18 A 624 594 2.66      
19 A 471 448 5.11      
20 A 200 191 2.11      
21 A 3140 2990 34.90      
22 A 3069 2922 31.49      
23 A 1529 1456 1.44      
24 A 1339 1275 0.91      
25 A 1289 1228 0.75      
26 A 1276 1215 0.14      
27 A 1218 1160 0.00      
28 A 1075 1024 10.47      
29 A 966 920 5.79      
30 A 950 904 0.05      
31 A 811 773 0.70      
32 A 400 381 52.25      
33 A 317 302 74.20      

Unscaled Zero Point Vibrational Energy (zpe) 25767.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 24538.0 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 QCISD/6-31G*
ABC
0.33888 0.14234 0.11393

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.659 0.000
C2 0.111 -0.448 1.079
C3 0.111 -0.448 -1.079
C4 0.685 -1.402 0.000
O5 -0.884 1.661 0.000
H6 1.067 1.197 0.000
H7 0.678 -0.281 2.002
H8 -0.920 -0.726 1.340
H9 0.678 -0.281 -2.002
H10 -0.920 -0.726 -1.340
H11 1.782 -1.398 0.000
H12 0.339 -2.441 0.000
H13 -1.746 1.210 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54611.54612.13951.41231.09672.28312.18572.28312.18572.64943.10861.9375
C21.54612.15791.55012.56972.18721.09591.09953.13722.64442.20332.27762.7138
C31.54612.15791.55012.56972.18723.13722.64441.09591.09952.20332.27762.7138
C42.13951.55011.55013.44142.62662.29492.19772.29492.19771.09661.09513.5684
O51.41232.56972.56973.44142.00623.19642.73703.19642.73704.05704.28040.9725
H61.09672.18722.18722.62662.00622.51853.07262.51853.07262.69063.70992.8136
H72.28311.09593.13722.29493.19642.51851.78564.00443.73122.54462.96493.4792
H82.18571.09952.64442.19772.73703.07261.78563.73122.68043.08982.51502.4950
H92.28313.13721.09592.29493.19642.51854.00443.73121.78562.54462.96493.4792
H102.18572.64441.09952.19772.73703.07263.73122.68041.78563.08982.51502.4950
H112.64942.20332.20331.09664.05702.69062.54463.08982.54463.08981.78034.3868
H123.10862.27762.27761.09514.28043.70992.96492.51502.96492.51501.78034.2047
H131.93752.71382.71383.56840.97252.81363.47922.49503.47922.49504.38684.2047

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.418 C1 C2 H7 118.575
C1 C2 H8 110.268 C1 C3 C4 87.418
C1 C3 H9 118.575 C1 C3 H10 110.268
C1 O5 H13 107.228 C2 C1 C3 88.509
C2 C1 O5 120.524 C2 C1 H6 110.550
C2 C4 C3 88.222 C2 C4 H11 111.559
C2 C4 H12 117.840 C3 C1 O5 120.524
C3 C1 H6 110.550 C3 C4 H11 111.559
C3 C4 H12 117.840 C4 C2 H7 119.295
C4 C2 H8 110.938 C4 C3 H9 119.295
C4 C3 H10 110.938 O5 C1 H6 105.490
H7 C2 H8 108.848 H9 C3 H10 108.848
H11 C4 H12 108.644
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability