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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-42.988385
Energy at 298.15K-42.998135
HF Energy-42.276547
Nuclear repulsion energy103.179950
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-121G*
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 3772 3594 15.54      
2 A 3175 3025 65.70      
3 A 3157 3008 23.52      
4 A 3127 2980 10.75      
5 A 3099 2953 31.84      
6 A 3077 2931 22.19      
7 A 1548 1475 7.40      
8 A 1523 1451 6.31      
9 A 1455 1386 72.89      
10 A 1350 1286 3.55      
11 A 1280 1220 26.40      
12 A 1229 1171 0.06      
13 A 1155 1100 93.18      
14 A 1100 1048 66.07      
15 A 995 948 16.63      
16 A 923 880 2.36      
17 A 761 725 4.45      
18 A 604 575 3.12      
19 A 467 445 5.11      
20 A 208 198 2.45      
21 A 3156 3007 39.37      
22 A 3073 2928 41.92      
23 A 1509 1437 2.27      
24 A 1318 1256 0.37      
25 A 1263 1204 0.88      
26 A 1249 1190 0.15      
27 A 1190 1134 0.08      
28 A 1057 1007 10.81      
29 A 944 899 5.64      
30 A 930 886 0.01      
31 A 790 753 0.71      
32 A 398 379 57.73      
33 A 317 302 68.05      

Unscaled Zero Point Vibrational Energy (zpe) 25597.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 24389.3 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-121G*
ABC
0.33682 0.14068 0.11275

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.116 0.658 0.000
C2 0.116 -0.454 1.084
C3 0.116 -0.454 -1.084
C4 0.727 -1.395 0.000
O5 -0.891 1.670 0.000
H6 1.068 1.199 0.000
H7 0.661 -0.278 2.017
H8 -0.916 -0.752 1.314
H9 0.661 -0.278 -2.017
H10 -0.916 -0.752 -1.314
H11 1.821 -1.342 0.000
H12 0.418 -2.445 0.000
H13 -1.748 1.207 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55291.55292.14261.42731.09542.28912.18642.28912.18642.62843.11791.9432
C21.55292.16761.56022.58812.19431.09481.09853.15292.62752.20692.28702.7218
C31.55292.16761.56022.58812.19433.15292.62751.09481.09852.20692.28702.7218
C42.14261.56021.56023.46592.61712.30652.20002.30652.20001.09531.09393.5915
O51.42732.58812.58813.46592.01533.20462.75533.20462.75534.05304.31800.9739
H61.09542.19432.19432.61712.01532.53253.07772.53253.07772.65063.70182.8166
H72.28911.09483.15292.30653.20462.53251.79074.03313.71572.55802.97023.4753
H82.18641.09852.62752.20002.75533.07771.79073.71572.62833.09282.52472.5015
H92.28913.15291.09482.30653.20462.53254.03313.71571.79072.55802.97023.4753
H102.18642.62751.09852.20002.75533.07773.71572.62831.79073.09282.52472.5015
H112.62842.20692.20691.09534.05302.65062.55803.09282.55803.09281.78404.3860
H123.11792.28702.28701.09394.31803.70182.97022.52472.97022.52471.78404.2464
H131.94322.72182.72183.59150.97392.81663.47532.50153.47532.50154.38604.2464

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 86.983 C1 C2 H7 118.641
C1 C2 H8 109.917 C1 C3 C4 86.983
C1 C3 H9 118.641 C1 C3 H10 109.917
C1 O5 H13 106.519 C2 C1 C3 88.519
C2 C1 O5 120.497 C2 C1 H6 110.718
C2 C4 C3 87.998 C2 C4 H11 111.212
C2 C4 H12 117.941 C3 C1 O5 120.497
C3 C1 H6 110.718 C3 C4 H11 111.212
C3 C4 H12 117.941 C4 C2 H7 119.589
C4 C2 H8 110.475 C4 C3 H9 119.589
C4 C3 H10 110.475 O5 C1 H6 105.278
H7 C2 H8 109.457 H9 C3 H10 109.457
H11 C4 H12 109.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability