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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-194.530919
Energy at 298.15K-194.538464
HF Energy-193.956033
Nuclear repulsion energy155.940125
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 CISD/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' 3355 3106 18.37      
2 A' 3298 3053 15.76      
3 A' 3279 3036 33.67      
4 A' 3268 3026 7.03      
5 A' 3259 3018 9.59      
6 A' 3249 3008 2.13      
7 A' 3151 2917 27.56      
8 A' 1849 1712 5.98      
9 A' 1770 1639 1.56      
10 A' 1587 1469 6.25      
11 A' 1555 1440 9.75      
12 A' 1515 1402 2.99      
13 A' 1473 1363 1.39      
14 A' 1397 1293 1.39      
15 A' 1361 1260 1.02      
16 A' 1253 1160 1.05      
17 A' 1122 1038 0.03      
18 A' 1013 938 8.31      
19 A' 937 867 0.97      
20 A' 640 592 4.82      
21 A' 404 374 3.75      
22 A' 233 216 0.32      
23 A" 3206 2968 23.46      
24 A" 1576 1459 6.22      
25 A" 1130 1046 1.18      
26 A" 1083 1003 14.38      
27 A" 1041 964 1.82      
28 A" 992 918 47.95      
29 A" 842 780 9.38      
30 A" 668 618 26.42      
31 A" 374 346 0.19      
32 A" 124 115 0.04      
33 A" 109 101 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 26056.3 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 24123.0 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 CISD/6-31G*
ABC
0.53445 0.08829 0.07684

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.386 0.145 0.000
C2 1.106 -0.221 0.000
C3 0.000 0.737 0.000
C4 -1.304 0.456 0.000
C5 -1.955 -0.895 0.000
H6 2.679 1.187 0.000
H7 3.185 -0.581 0.000
H8 0.865 -1.275 0.000
H9 0.295 1.780 0.000
H10 -1.993 1.293 0.000
H11 -1.238 -1.711 0.000
H12 -2.594 -1.010 0.877
H13 -2.594 -1.010 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33082.45793.70314.46391.08191.08012.08112.65424.52684.07185.18715.1871
C21.33081.46312.50383.13492.11072.10971.08182.15923.44942.77813.88433.8843
C32.45791.46311.33422.54662.71693.44682.19011.08422.06942.74313.24823.2482
C43.70312.50381.33421.49954.05014.60752.77542.07621.08402.16792.14052.1405
C54.46393.13492.54661.49955.08065.14982.84593.49542.18811.08641.09121.0912
H61.08192.11072.71694.05015.08061.83873.05832.45734.67384.87285.77995.7799
H71.08012.10973.44684.60755.14981.83872.42163.73215.50694.56525.86145.8614
H82.08111.08182.19012.77542.84593.05832.42163.10813.84252.14793.57883.5788
H92.65422.15921.08422.07623.49542.45733.73213.10812.33933.81294.11104.1110
H104.52683.44942.06941.08402.18814.67385.50693.84252.33933.09732.53622.5362
H114.07182.77812.74312.16791.08644.87284.56522.14793.81293.09731.76081.7608
H125.18713.88433.24822.14051.09125.77995.86143.57884.11102.53621.76081.7537
H135.18713.88433.24822.14051.09125.77995.86143.57884.11102.53621.76081.7537

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 123.158 C1 C2 H8 118.855
C2 C1 H6 121.713 C2 C1 H7 121.763
C2 C3 C4 126.976 C2 C3 H9 115.099
C3 C2 H8 117.987 C3 C4 C5 127.882
C3 C4 H10 117.309 C4 C3 H9 117.925
C4 C5 H11 112.966 C4 C5 H12 110.438
C4 C5 H13 110.438 C5 C4 H10 114.809
H6 C1 H7 116.523 H11 C5 H12 107.913
H11 C5 H13 107.913 H12 C5 H13 106.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability