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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-230.118625
Energy at 298.15K-230.128411
Nuclear repulsion energy182.356748
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 CISD/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 3643 3404 1.46      
2 A 3237 3024 45.27      
3 A 3221 3010 8.64      
4 A 3189 2979 12.15      
5 A 3170 2962 18.69      
6 A 3147 2940 16.89      
7 A 1609 1504 3.42      
8 A 1592 1488 8.79      
9 A 1472 1375 52.13      
10 A 1414 1321 1.32      
11 A 1321 1234 23.91      
12 A 1281 1197 0.05      
13 A 1160 1084 52.10      
14 A 1123 1050 95.19      
15 A 978 914 9.72      
16 A 927 866 0.66      
17 A 768 718 5.95      
18 A 629 587 2.77      
19 A 450 421 6.00      
20 A 189 176 2.66      
21 A 3219 3008 22.36      
22 A 3141 2935 24.89      
23 A 1578 1474 3.78      
24 A 1374 1284 0.00      
25 A 1337 1249 1.19      
26 A 1317 1230 0.05      
27 A 1245 1163 0.08      
28 A 1073 1003 5.38      
29 A 961 898 20.97      
30 A 906 846 0.02      
31 A 819 766 1.10      
32 A 394 368 96.53      
33 A 337 315 50.76      

Unscaled Zero Point Vibrational Energy (zpe) 26110.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 24397.2 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 CISD/3-21G*
ABC
0.33147 0.13805 0.11044

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.115 0.670 0.000
C2 0.115 -0.457 1.098
C3 0.115 -0.457 -1.098
C4 0.682 -1.434 0.000
O5 -0.890 1.693 0.000
H6 1.072 1.188 0.000
H7 0.696 -0.292 2.002
H8 -0.912 -0.727 1.351
H9 0.696 -0.292 -2.002
H10 -0.912 -0.727 -1.351
H11 1.772 -1.431 0.000
H12 0.310 -2.455 0.000
H13 -1.772 1.260 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57321.57322.17841.43481.08802.29602.19842.29602.19842.67473.13041.9779
C21.57322.19601.57522.61532.19701.08721.09253.15842.66942.21292.28792.7779
C31.57322.19601.57522.61532.19703.15842.66941.08721.09252.21292.28792.7779
C42.17841.57521.57523.50002.65062.30462.20602.30462.20601.08941.08663.6443
O51.43482.61532.61533.50002.02613.23542.77203.23542.77204.10404.31800.9828
H61.08802.19702.19702.65062.02612.51823.07112.51823.07112.71053.72152.8452
H72.29601.08723.15842.30463.23542.51821.78944.00433.74422.54172.97203.5373
H82.19841.09252.66942.20602.77203.07111.78943.74422.70143.08602.51042.5521
H92.29603.15841.08722.30463.23542.51824.00433.74421.78942.54172.97203.5373
H102.19842.66941.09252.20602.77203.07113.74422.70141.78943.08602.51042.5521
H112.67472.21292.21291.08944.10402.71052.54173.08602.54173.08601.78464.4495
H123.13042.28792.28791.08664.31803.72152.97202.51042.97202.51041.78464.2584
H131.97792.77792.77793.64430.98282.84523.53732.55213.53732.55214.44954.2584

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.567 C1 C2 H7 118.168
C1 C2 H8 109.802 C1 C3 C4 87.567
C1 C3 H9 118.168 C1 C3 H10 109.802
C1 O5 H13 108.339 C2 C1 C3 88.528
C2 C1 O5 120.717 C2 C1 H6 109.952
C2 C4 C3 88.386 C2 C4 H11 110.982
C2 C4 H12 117.347 C3 C1 O5 120.717
C3 C1 H6 109.952 C3 C4 H11 110.982
C3 C4 H12 117.347 C4 C2 H7 118.766
C4 C2 H8 110.259 C4 C3 H9 118.766
C4 C3 H10 110.259 O5 C1 H6 106.040
H7 C2 H8 110.357 H9 C3 H10 110.357
H11 C4 H12 110.195
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability