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

using model chemistry: QCISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-194.646880
Energy at 298.15K-194.654246
HF Energy-193.954346
Nuclear repulsion energy154.971463
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 QCISD/6-31G*
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' 3258 3102 19.32      
2 A' 3198 3045 18.42      
3 A' 3180 3028 34.13      
4 A' 3172 3021 7.46      
5 A' 3163 3012 11.15      
6 A' 3152 3002 0.79      
7 A' 3061 2915 26.01      
8 A' 1769 1685 4.18      
9 A' 1695 1614 1.27      
10 A' 1544 1470 5.67      
11 A' 1509 1437 8.76      
12 A' 1470 1399 3.13      
13 A' 1427 1359 1.07      
14 A' 1353 1289 1.14      
15 A' 1321 1258 0.77      
16 A' 1216 1158 1.08      
17 A' 1090 1038 0.05      
18 A' 987 940 7.35      
19 A' 911 867 0.75      
20 A' 621 592 4.28      
21 A' 393 374 2.89      
22 A' 228 217 0.24      
23 A" 3116 2967 23.10      
24 A" 1533 1460 5.75      
25 A" 1091 1039 1.03      
26 A" 1022 974 15.37      
27 A" 977 930 3.15      
28 A" 919 875 38.73      
29 A" 798 760 10.35      
30 A" 635 604 23.38      
31 A" 352 336 0.16      
32 A" 116 111 0.00      
33 A" 103 98 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 25188.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 23986.8 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 QCISD/6-31G*
ABC
0.52793 0.08732 0.07599

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.400 0.152 0.000
C2 1.109 -0.219 0.000
C3 0.000 0.741 0.000
C4 -1.316 0.455 0.000
C5 -1.962 -0.905 0.000
H6 2.694 1.202 0.000
H7 3.207 -0.577 0.000
H8 0.867 -1.282 0.000
H9 0.296 1.793 0.000
H10 -2.014 1.295 0.000
H11 -1.232 -1.721 0.000
H12 -2.604 -1.026 0.883
H13 -2.604 -1.026 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34402.47163.72894.48831.08961.08772.10002.66844.55954.08755.21635.2163
C21.34401.46712.51703.14602.12892.12851.09002.17023.47032.78143.90053.9005
C32.47161.46711.34702.56082.73313.46752.20111.09242.08832.75343.26833.2683
C43.72892.51701.34701.50524.07914.63942.78962.09491.09202.17742.15172.1517
C54.48833.14602.56081.50525.11005.17892.85333.51772.20081.09421.09861.0986
H61.08962.12892.73314.07915.11001.85153.08362.46994.70844.89485.81455.8145
H71.08772.12853.46754.63945.17891.85152.44413.75395.54614.58445.89465.8946
H82.10001.09002.20112.78962.85333.08362.44413.12753.86502.14463.59033.5903
H92.66842.17021.09242.09493.51772.46993.75393.12752.36243.83174.13904.1390
H104.55953.47032.08831.09202.20084.70845.54613.86502.36243.11562.55242.5524
H114.08752.78142.75342.17741.09424.89484.58442.14463.83173.11561.77311.7731
H125.21633.90053.26832.15171.09865.81455.89463.59034.13902.55241.77311.7663
H135.21633.90053.26832.15171.09865.81455.89463.59034.13902.55241.77311.7663

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 123.039 C1 C2 H8 118.895
C2 C1 H6 121.690 C2 C1 H7 121.807
C2 C3 C4 126.823 C2 C3 H9 115.189
C3 C2 H8 118.067 C3 C4 C5 127.663
C3 C4 H10 117.413 C4 C3 H9 117.988
C4 C5 H11 112.830 C4 C5 H12 110.480
C4 C5 H13 110.480 C5 C4 H10 114.925
H6 C1 H7 116.503 H11 C5 H12 107.914
H11 C5 H13 107.914 H12 C5 H13 107.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability