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All results from a given calculation for C4H8O (Cyclobutanol)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-231.073048
Energy at 298.15K-231.082695
Nuclear repulsion energy182.499946
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 B3PW91/3-21G*
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 3520 3377 1.41      
2 A 3176 3047 39.97      
3 A 3158 3030 10.18      
4 A 3115 2989 14.85      
5 A 3106 2980 20.92      
6 A 3082 2957 13.98      
7 A 1543 1481 5.48      
8 A 1525 1463 10.36      
9 A 1419 1361 44.86      
10 A 1369 1314 0.52      
11 A 1260 1209 33.59      
12 A 1238 1187 0.49      
13 A 1126 1080 78.71      
14 A 1079 1035 74.78      
15 A 965 925 13.63      
16 A 901 865 0.59      
17 A 747 717 5.87      
18 A 608 583 2.67      
19 A 435 417 5.33      
20 A 170 163 2.25      
21 A 3157 3029 22.01      
22 A 3078 2953 28.28      
23 A 1508 1447 6.01      
24 A 1314 1261 0.29      
25 A 1280 1228 1.60      
26 A 1263 1211 0.00      
27 A 1192 1144 0.20      
28 A 1041 999 5.19      
29 A 941 903 20.86      
30 A 903 866 0.39      
31 A 786 754 1.90      
32 A 401 385 106.97      
33 A 327 314 31.79      

Unscaled Zero Point Vibrational Energy (zpe) 25365.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 24335.8 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 B3PW91/3-21G*
ABC
0.33238 0.13832 0.11064

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.113 0.666 0.000
C2 0.113 -0.460 1.096
C3 0.113 -0.460 -1.096
C4 0.665 -1.435 0.000
O5 -0.869 1.704 0.000
H6 1.082 1.174 0.000
H7 0.703 -0.296 2.000
H8 -0.919 -0.725 1.356
H9 0.703 -0.296 -2.000
H10 -0.919 -0.725 -1.356
H11 1.759 -1.448 0.000
H12 0.276 -2.455 0.000
H13 -1.762 1.269 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11 H12 H13
C11.57131.57132.17291.42911.09362.29682.20042.29682.20042.67953.12521.9694
C21.57132.19221.56782.61682.19301.09171.09713.15602.67402.21072.28212.7759
C31.57132.19221.56782.61682.19303.15602.67401.09171.09712.21072.28212.7759
C42.17291.56781.56783.49422.64272.30182.20292.30182.20291.09381.09103.6337
O51.42912.61682.61683.49422.02173.23662.78273.23662.78274.10424.31340.9923
H61.09362.19302.19302.64272.02172.51133.07422.51133.07422.70873.71732.8448
H72.29681.09173.15602.30183.23662.51131.79724.00003.75242.53782.97323.5395
H82.20041.09712.67402.20292.78273.07421.79723.75242.71273.08752.50152.5551
H92.29683.15601.09172.30183.23662.51134.00003.75241.79722.53782.97323.5395
H102.20042.67401.09712.20292.78273.07423.75242.71271.79723.08752.50152.5551
H112.67952.21072.21071.09384.10422.70872.53783.08752.53783.08751.79214.4474
H123.12522.28212.28211.09104.31343.71732.97322.50152.97322.50151.79214.2449
H131.96942.77592.77593.63370.99232.84483.53952.55513.53952.55514.44744.2449

picture of Cyclobutanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 87.607 C1 C2 H7 118.066
C1 C2 H8 109.822 C1 C3 C4 87.607
C1 C3 H9 118.066 C1 C3 H10 109.822
C1 O5 H13 107.475 C2 C1 C3 88.462
C2 C1 O5 121.346 C2 C1 H6 109.444
C2 C4 C3 88.712 C2 C4 H11 111.063
C2 C4 H12 117.120 C3 C1 O5 121.346
C3 C1 H6 109.444 C3 C4 H11 111.063
C3 C4 H12 117.120 C4 C2 H7 118.782
C4 C2 H8 110.258 C4 C3 H9 118.782
C4 C3 H10 110.258 O5 C1 H6 105.765
H7 C2 H8 110.385 H9 C3 H10 110.385
H11 C4 H12 110.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.019      
2 C -0.445      
3 C -0.445      
4 C -0.438      
5 O -0.560      
6 H 0.237      
7 H 0.214      
8 H 0.211      
9 H 0.214      
10 H 0.211      
11 H 0.225      
12 H 0.215      
13 H 0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.437 -1.668 0.000 1.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.114 0.972 0.000
y 0.972 -36.716 0.000
z 0.000 0.000 -31.774
Traceless
 xyz
x 7.131 0.972 0.000
y 0.972 -7.272 0.000
z 0.000 0.000 0.141
Polar
3z2-r20.282
x2-y29.602
xy0.972
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.316 -0.346 0.000
y -0.346 6.159 0.000
z 0.000 0.000 5.902


<r2> (average value of r2) Å2
<r2> 109.416
(<r2>)1/2 10.460