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All results from a given calculation for C5H8 (1,4-Pentadiene)

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 C2 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-192.783575
Energy at 298.15K-192.790616
Nuclear repulsion energy152.151426
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 3436 3179 0.63      
2 A 3332 3083 1.33      
3 A 3289 3043 0.58      
4 A 3212 2972 2.31      
5 A 1783 1649 0.20      
6 A 1599 1480 1.78      
7 A 1532 1417 0.54      
8 A 1371 1268 0.30      
9 A 1309 1211 0.04      
10 A 1113 1030 0.09      
11 A 1068 988 6.50      
12 A 944 874 18.33      
13 A 933 863 2.20      
14 A 679 628 3.60      
15 A 367 339 0.13      
16 A 290 268 0.33      
17 A 73 68 0.00      
18 A 3436 3179 0.78      
19 A 3335 3086 5.88      
20 A 3316 3068 1.77      
21 A 3288 3042 21.85      
22 A 1768 1636 4.43      
23 A 1529 1415 1.64      
24 A 1389 1285 1.06      
25 A 1356 1255 13.83      
26 A 1202 1112 1.41      
27 A 1068 988 5.28      
28 A 982 908 1.25      
29 A 944 873 16.81      
30 A 929 859 5.57      
31 A 607 562 7.31      
32 A 447 414 2.06      
33 A 89 83 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 26006.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 24061.1 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
0.61955 0.07554 0.07505

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.699
C2 0.000 1.285 -0.174
C3 0.000 -1.285 -0.174
C4 0.999 2.191 -0.197
C5 -0.999 -2.191 -0.197
H6 -0.902 -0.007 1.353
H7 0.902 0.007 1.353
H8 -0.894 1.423 -0.814
H9 0.894 -1.423 -0.814
H10 0.956 3.089 -0.838
H11 -0.956 -3.089 -0.838
H12 1.904 2.079 0.427
H13 -1.904 -2.079 0.427

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.55291.55292.56932.56931.11411.11412.26182.26183.58043.58042.83202.8320
C21.55292.56901.34923.61612.19352.18581.10862.92282.14764.52582.14843.9111
C31.55292.56903.61611.34922.18582.19352.92281.10864.52582.14763.91112.1484
C42.56931.34923.61614.81573.29342.68042.13393.66801.10435.66651.10475.2006
C52.56933.61611.34924.81572.68043.29343.66802.13395.66651.10435.20061.1047
H61.11412.19352.18583.29342.68041.80342.59693.15134.22343.78253.61642.4813
H71.11412.18582.19352.68043.29341.80343.15132.59693.78254.22342.48133.6164
H82.26181.10862.92282.13393.66802.59693.15133.36182.48944.51283.13013.8504
H92.26182.92281.10863.66802.13393.15132.59693.36184.51282.48943.85043.1301
H103.58042.14764.52581.10435.66654.22343.78252.48944.51286.46691.87596.0403
H113.58044.52582.14765.66651.10433.78254.22344.51282.48946.46696.04031.8759
H122.83202.14843.91111.10475.20063.61642.48133.13013.85041.87596.04035.6377
H132.83203.91112.14845.20061.10472.48133.61643.85043.13016.04031.87595.6377

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 124.435 C1 C2 H8 115.372
C1 C3 C5 124.435 C1 C3 H9 115.372
C2 C1 C3 111.615 C2 C1 H6 109.565
C2 C1 H7 108.975 C2 C4 H10 121.847
C2 C4 H12 121.902 C3 C1 H6 108.975
C3 C1 H7 109.565 C3 C5 H11 121.847
C3 C5 H13 121.902 C4 C2 H8 120.189
C5 C3 H9 120.189 H6 C1 H7 108.077
H10 C4 H12 116.250 H11 C5 H13 116.250
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 -0.137      
2 C -0.069      
3 C -0.069      
4 C -0.160      
5 C -0.160      
6 H 0.080      
7 H 0.080      
8 H 0.073      
9 H 0.073      
10 H 0.074      
11 H 0.074      
12 H 0.071      
13 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.097 0.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.520 0.440 0.000
y 0.440 -29.638 0.000
z 0.000 0.000 -29.679
Traceless
 xyz
x 1.139 0.440 0.000
y 0.440 -0.539 0.000
z 0.000 0.000 -0.600
Polar
3z2-r2-1.199
x2-y21.118
xy0.440
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.794 2.253 0.000
y 2.253 6.076 0.000
z 0.000 0.000 2.760


<r2> (average value of r2) Å2
<r2> 162.260
(<r2>)1/2 12.738