return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H8 (1,3-Pentadiene, (Z)-)

using model chemistry: CCD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/cc-pVDZ
 hartrees
Energy at 0K-194.706517
Energy at 298.15K-194.713909
HF Energy-193.971755
Nuclear repulsion energy154.263011
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 CCD/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' 3273 3131 14.42      
2 A' 3211 3072 15.67      
3 A' 3195 3057 26.54      
4 A' 3178 3041 9.09      
5 A' 3175 3037 6.93      
6 A' 3166 3029 0.63      
7 A' 3065 2932 27.06      
8 A' 1766 1690 3.15      
9 A' 1690 1617 1.38      
10 A' 1495 1430 4.06      
11 A' 1478 1414 10.27      
12 A' 1428 1366 1.32      
13 A' 1396 1336 1.43      
14 A' 1323 1265 1.67      
15 A' 1289 1233 0.80      
16 A' 1194 1143 0.53      
17 A' 1065 1019 0.08      
18 A' 974 932 6.87      
19 A' 904 865 1.08      
20 A' 613 586 3.85      
21 A' 386 370 2.63      
22 A' 221 212 0.18      
23 A" 3130 2994 19.54      
24 A" 1484 1419 5.36      
25 A" 1062 1016 1.43      
26 A" 1030 985 12.57      
27 A" 984 941 3.35      
28 A" 931 890 32.09      
29 A" 797 763 8.19      
30 A" 635 608 21.89      
31 A" 353 338 0.13      
32 A" 122 117 0.00      
33 A" 109 104 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 25060.0 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 23974.9 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 CCD/cc-pVDZ
ABC
0.52107 0.08674 0.07542

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.410 0.149 0.000
C2 1.112 -0.222 0.000
C3 0.000 0.746 0.000
C4 -1.323 0.459 0.000
C5 -1.966 -0.907 0.000
H6 2.701 1.207 0.000
H7 3.217 -0.592 0.000
H8 0.867 -1.291 0.000
H9 0.297 1.804 0.000
H10 -2.021 1.308 0.000
H11 -1.232 -1.727 0.000
H12 -2.614 -1.028 0.889
H13 -2.614 -1.028 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.35032.48323.74574.50221.09741.09532.11082.68484.58054.09685.23605.2360
C21.35031.47422.52793.15362.13742.13751.09682.18413.48662.78533.91403.9140
C32.48321.47421.35332.56902.74043.48432.21391.09902.09782.76323.28183.2818
C43.74572.52791.35331.51034.09284.65972.80292.10501.09932.18852.16102.1610
C54.50223.15362.56901.51035.12425.19312.85913.53172.21561.10151.10611.1061
H61.09742.13742.74044.09285.12421.87113.09932.47794.72364.90705.83415.8341
H71.09532.13753.48434.65975.19311.87112.45223.77775.57214.59145.91435.9143
H82.11081.09682.21392.80292.85913.09932.45223.14753.88532.14333.60173.6017
H92.68482.18411.09902.10503.53172.47793.77773.14752.37033.84834.15754.1575
H104.58053.48662.09781.09932.21564.72365.57213.88532.37033.13652.56912.5691
H114.09682.78532.76322.18851.10154.90704.59142.14333.84833.13651.78561.7856
H125.23603.91403.28182.16101.10615.83415.91433.60174.15752.56911.78561.7774
H135.23603.91403.28182.16101.10615.83415.91433.60174.15752.56911.78561.7774

picture of 1,3-Pentadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.017 C1 C2 H8 118.847
C2 C1 H6 121.323 C2 C1 H7 121.514
C2 C3 C4 126.713 C2 C3 H9 115.385
C3 C2 H8 118.136 C3 C4 C5 127.477
C3 C4 H10 117.215 C4 C3 H9 117.902
C4 C5 H11 112.916 C4 C5 H12 110.418
C4 C5 H13 110.418 C5 C4 H10 115.309
H6 C1 H7 117.163 H11 C5 H12 107.972
H11 C5 H13 107.972 H12 C5 H13 106.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability