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All results from a given calculation for C5H8 (2,3-Pentadiene)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-193.959603
Energy at 298.15K-193.966953
Nuclear repulsion energy152.541991
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 HF/aug-cc-pVDZ
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 3294 3000 12.42      
2 A 3259 2968 7.06      
3 A 3217 2930 30.97      
4 A 3164 2881 9.97      
5 A 1615 1471 4.73      
6 A 1576 1435 5.04      
7 A 1556 1417 0.00      
8 A 1509 1374 1.22      
9 A 1239 1128 0.13      
10 A 1175 1070 3.41      
11 A 1147 1044 2.33      
12 A 982 894 24.02      
13 A 877 798 0.03      
14 A 577 525 7.93      
15 A 319 290 0.87      
16 A 181 165 0.13      
17 A 149 136 2.19      
18 A 3293 2999 28.30      
19 A 3259 2967 22.10      
20 A 3218 2930 31.40      
21 A 3162 2880 100.38      
22 A 2207 2010 30.27      
23 A 1586 1444 8.00      
24 A 1576 1435 5.52      
25 A 1510 1375 8.52      
26 A 1408 1282 32.27      
27 A 1181 1076 2.89      
28 A 1146 1044 3.23      
29 A 1020 929 10.55      
30 A 778 709 16.60      
31 A 610 556 17.18      
32 A 245 223 1.52      
33 A 164 149 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 26098.8 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 23765.6 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 HF/aug-cc-pVDZ
ABC
0.57979 0.07466 0.07218

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.411
C2 0.000 1.303 0.412
C3 0.000 -1.303 0.412
C4 -0.875 2.169 -0.460
C5 0.875 -2.169 -0.460
H6 0.677 1.811 1.090
H7 -0.677 -1.811 1.090
H8 -1.509 2.812 0.154
H9 -0.264 2.817 -1.091
H10 -1.513 1.563 -1.100
H11 1.509 -2.812 0.154
H12 0.264 -2.817 -1.091
H13 1.513 -1.563 -1.100

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.30311.30312.49592.49592.04922.04923.20153.20362.64913.20153.20362.6491
C21.30312.60621.50873.68541.08453.25822.14942.14982.15504.39064.39393.5768
C31.30312.60623.68541.50873.25821.08454.39064.39393.57682.14942.14982.1550
C42.49591.50873.68544.67812.22274.27601.09171.09171.08805.55635.15364.4774
C52.49593.68541.50874.67814.27602.22275.55635.15364.47741.09171.09171.0880
H62.04921.08453.25822.22274.27603.86672.57992.58003.10744.78965.13324.1091
H72.04923.25821.08454.27602.22273.86674.78965.13324.10912.57992.58003.1074
H83.20152.14944.39061.09175.55632.57994.78961.76071.76966.38246.03175.4636
H93.20362.14984.39391.09175.15362.58005.13321.76071.76986.03175.65914.7276
H102.64912.15503.57681.08804.47743.10744.10911.76961.76985.46364.72764.3518
H113.20154.39062.14945.55631.09174.78962.57996.38246.03175.46361.76071.7696
H123.20364.39392.14985.15361.09175.13322.58006.03175.65914.72761.76071.7698
H132.64913.57682.15504.47741.08804.10913.10745.46364.72764.35181.76961.7698

picture of 2,3-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.002 C1 C2 H6 117.954
C1 C3 C5 125.002 C1 C3 H7 117.954
C2 C1 C3 179.915 C2 C4 H8 110.473
C2 C4 H9 110.500 C2 C4 H10 111.143
C3 C5 H11 110.473 C3 C5 H12 110.500
C3 C5 H13 111.143 C4 C2 H6 117.044
C5 C3 H7 117.044 H8 C4 H9 107.491
H8 C4 H10 108.552 H9 C4 H10 108.575
H11 C5 H12 107.491 H11 C5 H13 108.552
H12 C5 H13 108.575
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.440      
2 C 0.547      
3 C 0.547      
4 C 0.197      
5 C 0.197      
6 H -0.382      
7 H -0.382      
8 H 0.007      
9 H 0.014      
10 H -0.163      
11 H 0.007      
12 H 0.014      
13 H -0.163      


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 -0.226 0.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.827 -0.107 0.000
y -0.107 -28.348 0.000
z 0.000 0.000 -33.021
Traceless
 xyz
x -2.143 -0.107 0.000
y -0.107 4.576 0.000
z 0.000 0.000 -2.433
Polar
3z2-r2-4.866
x2-y2-4.479
xy-0.107
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 171.780
(<r2>)1/2 13.107