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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-265.745064
Energy at 298.15K-265.749986
HF Energy-265.745064
Nuclear repulsion energy188.256253
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 BLYP/STO-3G
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' 3444 3186 0.17      
2 A' 3340 3090 0.79      
3 A' 3335 3085 7.15      
4 A' 3315 3067 3.66      
5 A' 3292 3046 35.68      
6 A' 3009 2784 60.65      
7 A' 1720 1591 2.47      
8 A' 1679 1553 58.48      
9 A' 1673 1548 14.84      
10 A' 1513 1400 0.80      
11 A' 1421 1314 2.10      
12 A' 1362 1260 4.16      
13 A' 1351 1250 0.09      
14 A' 1295 1198 2.01      
15 A' 1203 1113 3.75      
16 A' 1071 991 87.19      
17 A' 981 908 1.01      
18 A' 578 534 5.10      
19 A' 419 388 0.40      
20 A' 369 342 1.66      
21 A' 145 134 1.67      
22 A" 1079 998 21.29      
23 A" 1019 943 2.43      
24 A" 929 859 14.46      
25 A" 925 855 3.41      
26 A" 844 781 2.94      
27 A" 645 597 0.67      
28 A" 261 242 2.42      
29 A" 201 186 0.44      
30 A" 90 83 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 21251.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 19662.2 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 BLYP/STO-3G
ABC
0.92620 0.04210 0.04027

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.159 -1.622 0.000
O2 -1.144 -2.897 0.000
C3 0.080 -0.740 0.000
C4 0.000 0.632 0.000
C5 1.172 1.545 0.000
C6 1.072 2.903 0.000
H7 -2.125 -1.019 0.000
H8 1.065 -1.248 0.000
H9 -1.002 1.110 0.000
H10 2.171 1.065 0.000
H11 0.091 3.413 0.000
H12 1.965 3.553 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.27531.52142.53463.93255.04581.13892.25602.73674.27925.18786.0451
O21.27532.48083.71015.00976.20982.11922.75764.01005.16626.42997.1606
C31.52142.48081.37402.53203.77592.22321.10842.14322.76204.15264.6883
C42.53463.71011.37401.48572.51192.69132.16031.11032.21402.78243.5206
C53.93255.00972.53201.48571.36274.17702.79422.21721.10842.15862.1591
C65.04586.20983.77592.51191.36275.06054.15112.74172.14261.10521.1046
H71.13892.11922.22322.69134.17705.06053.19902.40744.77534.95516.1349
H82.25602.75761.10842.16032.79424.15113.19903.13572.56304.76114.8839
H92.73674.01002.14321.11032.21722.74172.40743.13573.17362.54883.8435
H104.27925.16622.76202.21401.10842.14264.77532.56303.17363.13722.4967
H115.18786.42994.15262.78242.15861.10524.95514.76112.54883.13721.8798
H126.04517.16064.68833.52062.15911.10466.13494.88393.84352.49671.8798

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 122.101 C1 C3 H8 117.292
O2 C1 C3 124.766 O2 C1 H7 122.653
C3 C1 H7 112.581 C3 C4 C5 124.562
C3 C4 H9 118.859 C4 C3 H8 120.607
C4 C5 C6 123.676 C4 C5 H10 116.433
C5 C4 H9 116.579 C5 C6 H11 121.662
C5 C6 H12 121.767 C6 C5 H10 119.891
H11 C6 H12 116.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.063      
2 O -0.154      
3 C -0.088      
4 C -0.065      
5 C -0.074      
6 C -0.140      
7 H 0.051      
8 H 0.082      
9 H 0.080      
10 H 0.082      
11 H 0.080      
12 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.548 2.183 0.000 2.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.782 -1.914 0.000
y -1.914 -36.603 0.000
z 0.000 0.000 -33.972
Traceless
 xyz
x 4.506 -1.914 0.000
y -1.914 -4.226 0.000
z 0.000 0.000 -0.280
Polar
3z2-r2-0.559
x2-y25.821
xy-1.914
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.253 2.727 0.000
y 2.727 12.535 0.000
z 0.000 0.000 1.133


<r2> (average value of r2) Å2
<r2> 252.813
(<r2>)1/2 15.900