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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-230.854109
Energy at 298.15K-230.863639
Nuclear repulsion energy181.278619
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 PBEPBE/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 3345 3314 3.51      
2 A 3101 3073 38.71      
3 A 3082 3054 10.83      
4 A 3031 3004 19.68      
5 A 3029 3001 20.10      
6 A 3003 2976 12.89      
7 A 1500 1487 4.95      
8 A 1484 1471 10.07      
9 A 1383 1370 42.55      
10 A 1331 1319 0.91      
11 A 1214 1203 25.89      
12 A 1202 1191 4.67      
13 A 1089 1079 67.87      
14 A 1045 1035 71.56      
15 A 940 932 15.77      
16 A 875 867 0.61      
17 A 722 716 4.59      
18 A 588 583 2.30      
19 A 422 418 4.96      
20 A 168 167 2.08      
21 A 3082 3054 24.33      
22 A 2999 2972 28.14      
23 A 1465 1451 4.68      
24 A 1268 1256 0.31      
25 A 1234 1222 1.07      
26 A 1219 1208 0.15      
27 A 1148 1137 0.19      
28 A 1005 995 3.82      
29 A 909 900 18.16      
30 A 875 867 2.13      
31 A 761 755 2.11      
32 A 403 399 101.26      
33 A 314 311 22.52      

Unscaled Zero Point Vibrational Energy (zpe) 24616.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 24392.3 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 PBEPBE/3-21G
ABC
0.32865 0.13631 0.10911

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.669 0.000
C2 0.111 -0.466 1.102
C3 0.111 -0.466 -1.102
C4 0.672 -1.442 0.000
O5 -0.870 1.722 0.000
H6 1.090 1.178 0.000
H7 0.699 -0.302 2.017
H8 -0.931 -0.735 1.354
H9 0.699 -0.302 -2.017
H10 -0.931 -0.735 -1.354
H11 1.774 -1.443 0.000
H12 0.290 -2.473 0.000
H13 -1.768 1.266 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.58231.58232.18501.43941.10272.31492.21162.31492.21162.68843.14691.9718
C21.58232.20471.57592.63932.20771.09961.10553.17872.68162.22152.29642.7832
C31.58232.20471.57592.63932.20773.17872.68161.09961.10552.22152.29642.7832
C42.18501.57591.57593.52052.65312.31732.21432.31732.21431.10181.09893.6455
O51.43942.63932.63933.52052.03443.26042.80613.26042.80614.12454.35211.0073
H61.10272.20772.20772.65312.03442.53223.09432.53223.09432.70863.73682.8595
H72.31491.09963.17872.31733.26042.53221.81244.03453.76932.55472.99113.5517
H82.21161.10552.68162.21432.80613.09431.81243.76932.70733.10662.51812.5567
H92.31493.17871.09962.31733.26042.53224.03453.76931.81242.55472.99113.5517
H102.21162.68161.10552.21432.80613.09433.76932.70731.81243.10662.51812.5567
H112.68842.22152.22151.10184.12452.70862.55473.10662.55473.10661.80644.4593
H123.14692.29642.29641.09894.35213.73682.99112.51812.99112.51811.80644.2672
H131.97182.78322.78323.64551.00732.85953.55172.55673.55172.55674.45934.2672

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.551 C1 C2 H7 118.220
C1 C2 H8 109.456 C1 C3 C4 87.551
C1 C3 H9 118.220 C1 C3 H10 109.456
C1 O5 H13 106.046 C2 C1 C3 88.317
C2 C1 O5 121.652 C2 C1 H6 109.308
C2 C4 C3 88.773 C2 C4 H11 110.879
C2 C4 H12 117.190 C3 C1 O5 121.652
C3 C1 H6 109.308 C3 C4 H11 110.879
C3 C4 H12 117.190 C4 C2 H7 118.944
C4 C2 H8 110.104 C4 C3 H9 118.944
C4 C3 H10 110.104 O5 C1 H6 105.548
H7 C2 H8 110.549 H9 C3 H10 110.549
H11 C4 H12 110.339
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.002      
2 C -0.423      
3 C -0.423      
4 C -0.418      
5 O -0.510      
6 H 0.226      
7 H 0.203      
8 H 0.200      
9 H 0.203      
10 H 0.200      
11 H 0.215      
12 H 0.204      
13 H 0.325      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.462 -1.537 0.000 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.370 0.855 0.000
y 0.855 -36.529 0.000
z 0.000 0.000 -31.941
Traceless
 xyz
x 6.865 0.855 0.000
y 0.855 -6.874 0.000
z 0.000 0.000 0.009
Polar
3z2-r20.017
x2-y29.159
xy0.855
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.505 -0.398 0.000
y -0.398 6.385 0.000
z 0.000 0.000 6.052


<r2> (average value of r2) Å2
<r2> 119.539
(<r2>)1/2 10.933