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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-232.147727
Energy at 298.15K-232.157262
Nuclear repulsion energy183.831569
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/6-31G(2df,p)
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 3694 3656 7.34      
2 A 3068 3036 45.44      
3 A 3048 3017 19.43      
4 A 3007 2976 27.66      
5 A 2995 2964 26.55      
6 A 2980 2949 10.06      
7 A 1456 1441 6.11      
8 A 1435 1420 6.11      
9 A 1390 1376 61.29      
10 A 1299 1286 0.98      
11 A 1219 1206 18.89      
12 A 1178 1166 0.23      
13 A 1117 1106 111.79      
14 A 1049 1039 38.42      
15 A 967 957 12.08      
16 A 883 873 0.45      
17 A 732 724 2.64      
18 A 587 580 2.36      
19 A 440 435 3.77      
20 A 174 173 1.36      
21 A 3049 3017 33.65      
22 A 2977 2947 39.49      
23 A 1417 1403 0.74      
24 A 1242 1229 0.66      
25 A 1203 1190 0.48      
26 A 1198 1186 0.04      
27 A 1140 1128 0.01      
28 A 1007 996 6.71      
29 A 914 905 3.07      
30 A 899 890 2.50      
31 A 757 749 0.86      
32 A 395 391 45.49      
33 A 298 295 48.95      

Unscaled Zero Point Vibrational Energy (zpe) 24606.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 24353.4 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 PBEPBE/6-31G(2df,p)
ABC
0.33579 0.14131 0.11289

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.111 0.664 0.000
C2 0.111 -0.452 1.085
C3 0.111 -0.452 -1.085
C4 0.669 -1.415 0.000
O5 -0.869 1.676 0.000
H6 1.079 1.193 0.000
H7 0.684 -0.291 2.011
H8 -0.927 -0.721 1.353
H9 0.684 -0.291 -2.011
H10 -0.927 -0.721 -1.353
H11 1.771 -1.428 0.000
H12 0.308 -2.453 0.000
H13 -1.732 1.230 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55691.55692.15251.40861.10382.29872.19652.29872.19652.67063.12291.9277
C21.55692.17091.55472.58222.19641.10031.10463.15302.66362.21042.28462.7207
C31.55692.17091.55472.58222.19643.15302.66361.10031.10462.21042.28462.7207
C42.15251.55471.55473.45272.64022.30372.20462.30372.20461.10121.09923.5721
O51.40862.58222.58223.45272.00683.21312.75333.21312.75334.07474.29340.9723
H61.10382.19642.19642.64022.00682.53053.08522.53053.08522.71123.72692.8116
H72.29871.10033.15302.30373.21312.53051.79194.02183.75432.55312.97633.4917
H82.19651.10462.66362.20462.75333.08521.79193.75432.70623.09952.52082.5066
H92.29873.15301.10032.30373.21312.53054.02183.75431.79192.55312.97633.4917
H102.19652.66361.10462.20462.75333.08523.75432.70621.79193.09952.52082.5066
H112.67062.21042.21041.10124.07472.71122.55313.09952.55313.09951.78614.3968
H123.12292.28462.28461.09924.29343.72692.97632.52082.97632.52081.78614.2094
H131.92772.72072.72073.57210.97232.81163.49172.50663.49172.50664.39684.2094

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.543 C1 C2 H7 118.774
C1 C2 H8 110.076 C1 C3 C4 87.543
C1 C3 H9 118.774 C1 C3 H10 110.076
C1 O5 H13 106.688 C2 C1 C3 88.403
C2 C1 O5 121.015 C2 C1 H6 110.114
C2 C4 C3 88.563 C2 C4 H11 111.522
C2 C4 H12 117.801 C3 C1 O5 121.015
C3 C1 H6 110.114 C3 C4 H11 111.522
C3 C4 H12 117.801 C4 C2 H7 119.392
C4 C2 H8 110.864 C4 C3 H9 119.392
C4 C3 H10 110.864 O5 C1 H6 105.384
H7 C2 H8 108.717 H9 C3 H10 108.717
H11 C4 H12 108.522
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 C -0.270      
3 C -0.270      
4 C -0.232      
5 O -0.402      
6 H 0.103      
7 H 0.110      
8 H 0.102      
9 H 0.110      
10 H 0.102      
11 H 0.119      
12 H 0.111      
13 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.366 -1.345 0.000 1.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.566 0.989 0.000
y 0.989 -35.565 0.000
z 0.000 0.000 -31.858
Traceless
 xyz
x 6.146 0.989 0.000
y 0.989 -5.854 0.000
z 0.000 0.000 -0.292
Polar
3z2-r2-0.585
x2-y28.000
xy0.989
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.944 -0.406 0.000
y -0.406 7.058 0.000
z 0.000 0.000 6.890


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000