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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-194.006270
Energy at 298.15K-194.013953
HF Energy-194.006270
Nuclear repulsion energy157.341911
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/daug-cc-pVTZ
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' 3276 2963 7.86      
2 A' 3272 2960 7.05      
3 A' 3221 2913 52.34      
4 A' 3164 2862 24.11      
5 A' 3147 2847 48.46      
6 A' 2182 1973 68.32      
7 A' 1619 1465 3.96      
8 A' 1611 1458 2.66      
9 A' 1600 1447 3.01      
10 A' 1543 1396 3.60      
11 A' 1495 1352 23.85      
12 A' 1461 1322 0.70      
13 A' 1227 1110 1.28      
14 A' 1175 1063 4.02      
15 A' 1061 960 0.14      
16 A' 1000 905 58.57      
17 A' 893 808 1.78      
18 A' 686 620 7.63      
19 A' 394 356 3.95      
20 A' 166 150 0.50      
21 A" 3348 3029 3.05      
22 A" 3227 2920 46.17      
23 A" 3165 2863 18.92      
24 A" 1611 1458 7.00      
25 A" 1399 1265 0.40      
26 A" 1207 1092 3.92      
27 A" 1117 1010 2.40      
28 A" 994 899 16.83      
29 A" 850 769 2.19      
30 A" 579 524 2.57      
31 A" 372 336 9.67      
32 A" 275 249 0.00      
33 A" 114 103 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 26224.5 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 23722.7 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 HF/daug-cc-pVTZ
ABC
0.34854 0.10612 0.08527

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.394 0.419 0.000
C2 -1.466 -1.101 0.000
C3 0.000 1.000 0.000
C4 1.108 0.333 0.000
C5 2.224 -0.322 0.000
H6 -1.920 0.810 0.866
H7 -1.920 0.810 -0.866
H8 -0.982 -1.517 -0.875
H9 -2.499 -1.427 0.000
H10 -0.982 -1.517 0.875
H11 0.071 2.075 0.000
H12 2.703 -0.603 -0.920
H13 2.703 -0.603 0.920

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52211.51032.50333.69291.08621.08622.16462.15172.16462.21074.32144.3214
C21.52212.56172.94593.77082.14722.14721.08311.08351.08313.52814.29774.2977
C31.51032.56171.29282.58662.11502.11502.83983.48352.83981.07733.27383.2738
C42.50332.94591.29281.29393.18513.18512.92474.01312.92472.02702.06532.0653
C53.69293.77082.58661.29394.38204.38203.53124.85033.53123.22131.07431.0743
H61.08622.14722.11503.18514.38201.73253.05442.46812.50942.51265.15324.8341
H71.08622.14722.11503.18514.38201.73252.50942.46813.05442.51264.83415.1532
H82.16461.08312.83982.92473.53123.05442.50941.75381.75033.84393.79664.1992
H92.15171.08353.48354.01314.85032.46812.46811.75381.75384.34375.34645.3464
H102.16461.08312.83982.92473.53122.50943.05441.75031.75383.84394.19923.7966
H112.21073.52811.07732.02703.22132.51262.51263.84394.34373.84393.86533.8653
H124.32144.29773.27382.06531.07435.15324.83413.79665.34644.19923.86531.8393
H134.32144.29773.27382.06531.07434.83415.15324.19925.34643.79663.86531.8393

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 111.261 C1 C2 H9 110.205
C1 C2 H10 111.261 C1 C3 C4 126.345
C1 C3 H11 116.377 C2 C1 C3 115.298
C2 C1 H6 109.684 C2 C1 H7 109.684
C3 C1 H6 107.973 C3 C1 H7 107.973
C3 C4 C5 179.341 C4 C3 H11 117.279
C4 C5 H12 121.127 C4 C5 H13 121.127
H6 C1 H7 105.789 H8 C2 H9 108.095
H8 C2 H10 107.799 H9 C2 H10 108.095
H12 C5 H13 117.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.765      
2 C -1.036      
3 C -0.248      
4 C 1.942      
5 C -2.147      
6 H 0.327      
7 H 0.327      
8 H 0.397      
9 H 0.271      
10 H 0.397      
11 H 0.299      
12 H 0.119      
13 H 0.119      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.521 0.028 0.000 0.521
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.547 -1.988 0.000
y -1.988 -32.279 0.000
z 0.000 0.000 -32.441
Traceless
 xyz
x 1.813 -1.988 0.000
y -1.988 -0.785 0.000
z 0.000 0.000 -1.028
Polar
3z2-r2-2.056
x2-y21.732
xy-1.988
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.465 -1.726 0.000
y -1.726 8.657 0.000
z 0.000 0.000 6.945


<r2> (average value of r2) Å2
<r2> 144.896
(<r2>)1/2 12.037