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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: QCISD/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/6-31G**
 hartrees
Energy at 0K-231.763680
Energy at 298.15K-231.773475
HF Energy-230.967086
Nuclear repulsion energy187.184829
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/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 3888 3660 13.97      
2 A 3212 3024 50.85      
3 A 3199 3011 8.66      
4 A 3178 2992 21.27      
5 A 3147 2963 24.96      
6 A 3136 2952 36.32      
7 A 3121 2938 48.82      
8 A 3090 2909 69.77      
9 A 1564 1472 1.34      
10 A 1536 1446 1.35      
11 A 1525 1436 1.04      
12 A 1456 1370 7.05      
13 A 1381 1300 43.05      
14 A 1339 1260 3.35      
15 A 1315 1238 10.38      
16 A 1296 1220 0.70      
17 A 1279 1204 18.84      
18 A 1264 1190 23.34      
19 A 1210 1139 19.77      
20 A 1192 1122 0.88      
21 A 1096 1031 10.34      
22 A 1070 1008 30.83      
23 A 973 916 12.31      
24 A 966 910 6.48      
25 A 948 893 3.97      
26 A 919 865 4.47      
27 A 889 837 5.75      
28 A 783 737 0.48      
29 A 695 654 0.98      
30 A 416 391 14.17      
31 A 400 376 13.75      
32 A 338 318 113.95      
33 A 179 169 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 25998.9 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 24475.3 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 QCISD/6-31G**
ABC
0.28038 0.16287 0.13664

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.108 0.658 0.000
C2 0.108 -0.450 1.077
C3 0.108 -0.450 -1.077
C4 0.693 -1.397 0.000
O5 -0.884 1.659 0.000
H6 1.063 1.186 0.000
H7 0.665 -0.283 1.999
H8 -0.918 -0.733 1.326
H9 0.665 -0.283 -1.999
H10 -0.918 -0.733 -1.326
H11 1.783 -1.375 0.000
H12 0.361 -2.434 0.000
H13 -1.738 1.213 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.54531.54532.13611.40961.09142.27822.17892.27822.17892.63403.10191.9286
C21.54532.15471.54872.56772.17951.08951.09353.13082.62872.19572.27152.7089
C31.54532.15471.54872.56772.17953.13082.62871.08951.09352.19572.27152.7089
C42.13611.54871.54873.43852.60962.28882.18922.28882.18921.09061.08873.5670
O51.40962.56772.56773.43852.00383.18812.73553.18812.73554.03974.27790.9636
H61.09142.17952.17952.60962.00382.51273.06102.51273.06102.66083.68762.8019
H72.27821.08953.13082.28883.18812.51271.77783.99833.71002.53802.95223.4654
H82.17891.09352.62872.18922.73553.06101.77783.71002.65213.07672.50712.4943
H92.27823.13081.08952.28883.18812.51273.99833.71001.77782.53802.95223.4654
H102.17892.62871.09352.18922.73553.06103.71002.65211.77783.07672.50712.4943
H112.63402.19572.19571.09064.03972.66082.53803.07672.53803.07671.77274.3706
H123.10192.27152.27151.08874.27793.68762.95222.50712.95222.50711.77274.2083
H131.92862.70892.70893.56700.96362.80193.46542.49433.46542.49434.37064.2083

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.322 C1 C2 H7 118.668
C1 C2 H8 110.144 C1 C3 C4 87.322
C1 C3 H9 118.668 C1 C3 H10 110.144
C1 O5 H13 107.214 C2 C1 C3 88.400
C2 C1 O5 120.604 C2 C1 H6 110.315
C2 C4 C3 88.160 C2 C4 H11 111.415
C2 C4 H12 117.865 C3 C1 O5 120.604
C3 C1 H6 110.315 C3 C4 H11 111.415
C3 C4 H12 117.865 C4 C2 H7 119.334
C4 C2 H8 110.725 C4 C3 H9 119.334
C4 C3 H10 110.725 O5 C1 H6 105.788
H7 C2 H8 109.059 H9 C3 H10 109.059
H11 C4 H12 108.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability