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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-231.151397
Energy at 298.15K-231.161015
Nuclear repulsion energy182.050102
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 B3LYP/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 3466 3345 1.82      
2 A 3164 3053 47.04      
3 A 3146 3035 10.19      
4 A 3108 2999 14.56      
5 A 3099 2991 22.79      
6 A 3075 2967 14.90      
7 A 1550 1496 4.14      
8 A 1534 1480 8.19      
9 A 1423 1373 45.50      
10 A 1367 1319 0.81      
11 A 1263 1219 24.82      
12 A 1237 1193 0.19      
13 A 1110 1071 68.39      
14 A 1079 1042 79.13      
15 A 952 919 12.31      
16 A 892 860 0.57      
17 A 742 716 5.31      
18 A 612 590 2.65      
19 A 431 415 5.48      
20 A 159 154 2.08      
21 A 3145 3035 23.39      
22 A 3070 2962 29.66      
23 A 1517 1464 4.30      
24 A 1315 1269 0.02      
25 A 1283 1238 1.08      
26 A 1264 1219 0.01      
27 A 1194 1152 0.14      
28 A 1037 1001 3.93      
29 A 929 896 20.77      
30 A 887 856 0.32      
31 A 785 758 1.39      
32 A 394 380 101.09      
33 A 324 313 31.07      

Unscaled Zero Point Vibrational Energy (zpe) 25275.9 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 24388.7 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 B3LYP/3-21G
ABC
0.32989 0.13776 0.11009

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.121 0.671 0.000
C2 0.121 -0.456 1.101
C3 0.121 -0.456 -1.101
C4 0.648 -1.448 0.000
O5 -0.874 1.705 0.000
H6 1.082 1.190 0.000
H7 0.727 -0.297 1.994
H8 -0.909 -0.704 1.380
H9 0.727 -0.297 -1.994
H10 -0.909 -0.704 -1.380
H11 1.740 -1.496 0.000
H12 0.229 -2.455 0.000
H13 -1.765 1.261 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57581.57582.18461.43441.09222.29802.20422.29802.20422.70513.12821.9759
C21.57582.20151.57312.62132.20121.09081.09593.15722.69742.21662.28442.7778
C31.57582.20151.57312.62132.20123.15722.69741.09081.09592.21662.28442.7778
C42.18461.57311.57313.50152.67382.30342.20992.30342.20991.09251.09013.6283
O51.43442.62132.62133.50152.02283.24762.77663.24762.77664.13224.30350.9956
H61.09222.20122.20122.67382.02282.51263.07552.51263.07552.76493.74322.8482
H72.29801.09083.15722.30343.24762.51261.79453.98733.77142.53702.97943.5515
H82.20421.09592.69742.20992.77663.07551.79453.77142.75953.09002.50292.5492
H92.29803.15721.09082.30343.24762.51263.98733.77141.79452.53702.97943.5515
H102.20422.69741.09592.20992.77663.07553.77142.75951.79453.09002.50292.5492
H112.70512.21662.21661.09254.13222.76492.53703.09002.53703.09001.78934.4590
H123.12822.28442.28441.09014.30353.74322.97942.50292.97942.50291.78934.2171
H131.97592.77782.77783.62830.99562.84823.55152.54923.55152.54924.45904.2171

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.857 C1 C2 H7 117.887
C1 C2 H8 109.875 C1 C3 C4 87.857
C1 C3 H9 117.887 C1 C3 H10 109.875
C1 O5 H13 107.428 C2 C1 C3 88.620
C2 C1 O5 121.031 C2 C1 H6 109.854
C2 C4 C3 88.812 C2 C4 H11 111.237
C2 C4 H12 116.970 C3 C1 O5 121.031
C3 C1 H6 109.854 C3 C4 H11 111.237
C3 C4 H12 116.970 C4 C2 H7 118.571
C4 C2 H8 110.512 C4 C3 H9 118.571
C4 C3 H10 110.512 O5 C1 H6 105.577
H7 C2 H8 110.302 H9 C3 H10 110.302
H11 C4 H12 110.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.046     0.062
2 C -0.397     0.072
3 C -0.397     -0.111
4 C -0.388     0.065
5 O -0.547     0.108
6 H 0.211     -0.257
7 H 0.190     0.007
8 H 0.187     0.332
9 H 0.190     0.076
10 H 0.187     0.124
11 H 0.200     -0.239
12 H 0.190     0.384
13 H 0.328     -0.624


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.398 -1.645 0.000 1.693
CHELPG        
AIM        
ESP -0.236 1.156 1.018 1.558


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.422 1.001 0.000
y 1.001 -36.793 0.000
z 0.000 0.000 -31.921
Traceless
 xyz
x 6.935 1.001 0.000
y 1.001 -7.122 0.000
z 0.000 0.000 0.187
Polar
3z2-r20.374
x2-y29.371
xy1.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.325 -0.349 0.000
y -0.349 6.161 0.000
z 0.000 0.000 5.890


<r2> (average value of r2) Å2
<r2> 117.563
(<r2>)1/2 10.843