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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-42.927742
Energy at 298.15K-42.937413
HF Energy-42.263728
Nuclear repulsion energy102.671328
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 MP2/CEP-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 3784 3593 16.65      
2 A 3204 3041 75.12      
3 A 3182 3021 27.87      
4 A 3151 2992 11.04      
5 A 3120 2962 34.40      
6 A 3101 2944 21.53      
7 A 1546 1468 7.69      
8 A 1514 1437 7.87      
9 A 1447 1373 81.51      
10 A 1345 1277 1.22      
11 A 1273 1209 21.38      
12 A 1218 1157 0.01      
13 A 1158 1099 107.25      
14 A 1088 1033 52.17      
15 A 996 946 14.48      
16 A 921 874 4.76      
17 A 760 722 5.03      
18 A 598 568 3.58      
19 A 457 434 4.53      
20 A 198 188 2.36      
21 A 3182 3021 18.91      
22 A 3098 2942 52.68      
23 A 1506 1429 1.94      
24 A 1320 1253 0.65      
25 A 1265 1201 0.54      
26 A 1244 1181 0.00      
27 A 1192 1132 0.08      
28 A 1071 1017 11.73      
29 A 959 910 6.99      
30 A 942 895 0.38      
31 A 787 747 2.84      
32 A 392 372 43.65      
33 A 297 282 80.53      

Unscaled Zero Point Vibrational Energy (zpe) 25657.7 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 24359.5 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 MP2/CEP-31G*
ABC
0.33340 0.13943 0.11166

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.659 0.000
C2 0.113 -0.458 1.090
C3 0.113 -0.458 -1.090
C4 0.724 -1.403 0.000
O5 -0.883 1.684 0.000
H6 1.080 1.191 0.000
H7 0.670 -0.277 2.025
H8 -0.925 -0.762 1.324
H9 0.670 -0.277 -2.025
H10 -0.925 -0.762 -1.324
H11 1.827 -1.350 0.000
H12 0.406 -2.459 0.000
H13 -1.752 1.236 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.56041.56042.15081.42881.10362.29932.20232.29932.20232.64073.13111.9517
C21.56042.17991.56722.60102.20001.10321.10653.16952.64532.21862.29732.7446
C31.56042.17991.56722.60102.20003.16952.64531.10321.10652.21862.29732.7446
C42.15081.56721.56723.48032.61782.31752.21022.31752.21021.10341.10253.6190
O51.42882.60102.60103.48032.02353.21812.78193.21812.78194.06774.33820.9774
H61.10362.20002.20002.61782.02352.53433.09612.53433.09612.64823.71082.8317
H72.29931.10323.16952.31753.21812.53431.80814.04993.74102.56712.98803.5005
H82.20231.10652.64532.21022.78193.09611.80813.74102.64843.10982.53022.5359
H92.29933.16951.10322.31753.21812.53434.04993.74101.80812.56712.98803.5005
H102.20232.64531.10652.21022.78193.09613.74102.64841.80813.10982.53022.5359
H112.64072.21862.21861.10344.06772.64822.56713.10982.56713.10981.80204.4151
H123.13112.29732.29731.10254.33823.71082.98802.53022.98802.53021.80204.2786
H131.95172.74462.74463.61900.97742.83173.50052.53593.50052.53594.41514.2786

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 86.893 C1 C2 H7 118.350
C1 C2 H8 110.176 C1 C3 C4 86.893
C1 C3 H9 118.350 C1 C3 H10 110.176
C1 O5 H13 106.901 C2 C1 C3 88.620
C2 C1 O5 120.885 C2 C1 H6 110.171
C2 C4 C3 88.132 C2 C4 H11 111.164
C2 C4 H12 117.688 C3 C1 O5 120.885
C3 C1 H6 110.171 C3 C4 H11 111.164
C3 C4 H12 117.688 C4 C2 H7 119.406
C4 C2 H8 110.323 C4 C3 H9 119.406
C4 C3 H10 110.323 O5 C1 H6 105.355
H7 C2 H8 109.826 H9 C3 H10 109.826
H11 C4 H12 109.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability