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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: QCISD(T)/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(T)/6-31G*
 hartrees
Energy at 0K-231.718675
Energy at 298.15K-231.728424
HF Energy-230.948081
Nuclear repulsion energy184.234771
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(T)/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 3709 3558        
2 A 3139 3011        
3 A 3124 2997        
4 A 3089 2963        
5 A 3078 2953        
6 A 3055 2930        
7 A 1557 1493        
8 A 1533 1470        
9 A 1464 1404        
10 A 1363 1308        
11 A 1291 1239        
12 A 1239 1188        
13 A 1170 1122        
14 A 1107 1062        
15 A 1001 960        
16 A 928 891        
17 A 773 741        
18 A 617 592        
19 A 467 448        
20 A 201 193        
21 A 3123 2995        
22 A 3050 2926        
23 A 1519 1458        
24 A 1325 1271        
25 A 1276 1225        
26 A 1263 1211        
27 A 1205 1156        
28 A 1061 1018        
29 A 955 916        
30 A 938 900        
31 A 805 772        
32 A 397 381        
33 A 316 303        

Unscaled Zero Point Vibrational Energy (zpe) 25567.2 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 24526.6 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 QCISD(T)/6-31G*
ABC
0.33800 0.14181 0.11356

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.110 0.660 0.000
C2 0.110 -0.451 1.080
C3 0.110 -0.451 -1.080
C4 0.693 -1.401 0.000
O5 -0.888 1.663 0.000
H6 1.068 1.198 0.000
H7 0.671 -0.282 2.008
H8 -0.924 -0.732 1.334
H9 0.671 -0.282 -2.008
H10 -0.924 -0.732 -1.334
H11 1.791 -1.381 0.000
H12 0.360 -2.446 0.000
H13 -1.749 1.207 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54951.54952.14231.41491.09842.28802.18772.28802.18772.64453.11601.9382
C21.54952.16061.55262.57502.19161.09741.10113.14352.64112.20432.28262.7150
C31.54952.16061.55262.57502.19163.14352.64111.09741.10112.20432.28262.7150
C42.14231.55261.55263.44812.62652.29912.20032.29912.20031.09811.09643.5731
O51.41492.57502.57503.44812.01023.20112.74143.20112.74144.05534.29400.9746
H61.09842.19162.19162.62652.01022.52603.07752.52603.07752.67923.71232.8171
H72.28801.09743.14352.29913.20112.52601.78954.01623.73022.54852.96853.4797
H82.18771.10112.64112.20032.74143.07751.78953.73022.66733.09382.52262.4936
H92.28803.14351.09742.29913.20112.52604.01623.73021.78952.54852.96853.4797
H102.18772.64111.10112.20032.74143.07753.73022.66731.78953.09382.52262.4936
H112.64452.20432.20431.09814.05532.67922.54853.09382.54853.09381.78384.3855
H123.11602.28262.28261.09644.29403.71232.96852.52262.96852.52261.78384.2177
H131.93822.71502.71503.57310.97462.81713.47972.49363.47972.49364.38554.2177

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.355 C1 C2 H7 118.637
C1 C2 H8 110.096 C1 C3 C4 87.355
C1 C3 H9 118.637 C1 C3 H10 110.096
C1 O5 H13 106.962 C2 C1 C3 88.404
C2 C1 O5 120.532 C2 C1 H6 110.564
C2 C4 C3 88.178 C2 C4 H11 111.364
C2 C4 H12 117.978 C3 C1 O5 120.532
C3 C1 H6 110.564 C3 C4 H11 111.364
C3 C4 H12 117.978 C4 C2 H7 119.361
C4 C2 H8 110.870 C4 C3 H9 119.361
C4 C3 H10 110.870 O5 C1 H6 105.537
H7 C2 H8 108.966 H9 C3 H10 108.966
H11 C4 H12 108.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability