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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-230.155198
Energy at 298.15K-230.164930
HF Energy-229.665297
Nuclear repulsion energy181.570372
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=FULL/3-21G*
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 3503 3321 2.90      
2 A 3206 3039 38.21      
3 A 3188 3023 9.87      
4 A 3147 2984 14.34      
5 A 3133 2970 18.95      
6 A 3107 2946 13.41      
7 A 1591 1508 2.58      
8 A 1578 1496 8.80      
9 A 1442 1367 40.80      
10 A 1389 1316 1.91      
11 A 1289 1222 22.19      
12 A 1260 1195 1.09      
13 A 1134 1075 13.73      
14 A 1092 1035 126.77      
15 A 960 910 12.48      
16 A 912 864 1.69      
17 A 752 713 4.83      
18 A 610 578 2.52      
19 A 446 423 5.41      
20 A 199 189 2.78      
21 A 3188 3022 21.68      
22 A 3104 2942 21.96      
23 A 1561 1480 2.64      
24 A 1349 1278 0.00      
25 A 1310 1242 1.06      
26 A 1290 1223 0.01      
27 A 1217 1153 0.16      
28 A 1048 994 3.75      
29 A 935 887 20.70      
30 A 882 836 0.11      
31 A 811 769 1.34      
32 A 396 375 108.44      
33 A 333 315 28.81      

Unscaled Zero Point Vibrational Energy (zpe) 25680.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 24345.4 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=FULL/3-21G*
ABC
0.33041 0.13629 0.10923

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.108 0.667 0.000
C2 0.108 -0.467 1.100
C3 0.108 -0.467 -1.100
C4 0.703 -1.431 0.000
O5 -0.890 1.713 0.000
H6 1.074 1.177 0.000
H7 0.672 -0.299 2.019
H8 -0.925 -0.753 1.329
H9 0.672 -0.299 -2.019
H10 -0.925 -0.753 -1.329
H11 1.795 -1.389 0.000
H12 0.363 -2.466 0.000
H13 -1.777 1.266 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57971.57972.18051.44621.09222.30762.20202.30762.20202.65963.14331.9785
C21.57972.20061.57942.63792.20091.09051.09623.17392.65522.21542.29642.7871
C31.57972.20061.57942.63792.20093.17392.65521.09051.09622.21542.29642.7871
C42.18051.57941.57943.52472.63382.31452.20842.31452.20841.09281.09003.6642
O51.44622.63792.63793.52472.03643.25012.80123.25012.80124.10324.36290.9933
H61.09222.20092.20092.63382.03642.53253.07982.53253.07982.66533.71172.8529
H72.30761.09053.17392.31453.25012.53251.79794.03713.73662.55442.97793.5387
H82.20201.09622.65522.20842.80123.07981.79793.73662.65773.09372.52182.5627
H92.30763.17391.09052.31453.25012.53254.03713.73661.79792.55442.97793.5387
H102.20202.65521.09622.20842.80123.07983.73662.65771.79793.09372.52182.5627
H112.65962.21542.21541.09284.10322.66532.55443.09372.55443.09371.79234.4512
H123.14332.29642.29641.09004.36293.71172.97792.52182.97792.52181.79234.3021
H131.97852.78712.78713.66420.99332.85293.53872.56273.53872.56274.45124.3021

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.295 C1 C2 H7 118.430
C1 C2 H8 109.421 C1 C3 C4 87.295
C1 C3 H9 118.430 C1 C3 H10 109.421
C1 O5 H13 106.920 C2 C1 C3 88.299
C2 C1 O5 121.267 C2 C1 H6 109.569
C2 C4 C3 88.319 C2 C4 H11 110.685
C2 C4 H12 117.525 C3 C1 O5 121.267
C3 C1 H6 109.569 C3 C4 H11 110.685
C3 C4 H12 117.525 C4 C2 H7 119.062
C4 C2 H8 109.941 C4 C3 H9 119.062
C4 C3 H10 109.941 O5 C1 H6 105.842
H7 C2 H8 110.604 H9 C3 H10 110.604
H11 C4 H12 110.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability