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All results from a given calculation for C5H8 (1,3-Butadiene, 2-methyl-)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-195.382881
Energy at 298.15K-195.390550
HF Energy-195.382881
Nuclear repulsion energy160.539009
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 B3LYP/TZVP
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' 3230 3118 14.03      
2 A' 3223 3111 11.50      
3 A' 3151 3042 2.70      
4 A' 3142 3033 12.71      
5 A' 3137 3028 6.50      
6 A' 3115 3008 18.47      
7 A' 3029 2924 19.94      
8 A' 1697 1639 2.55      
9 A' 1659 1602 30.24      
10 A' 1506 1454 7.62      
11 A' 1464 1413 2.25      
12 A' 1435 1385 2.00      
13 A' 1417 1368 6.94      
14 A' 1332 1286 0.77      
15 A' 1330 1284 1.00      
16 A' 1094 1056 3.66      
17 A' 1017 982 0.23      
18 A' 962 928 0.98      
19 A' 791 764 0.17      
20 A' 539 520 0.10      
21 A' 432 417 1.51      
22 A' 280 270 0.86      
23 A" 3076 2969 16.50      
24 A" 1487 1435 10.09      
25 A" 1073 1036 0.07      
26 A" 1029 993 16.82      
27 A" 940 907 44.93      
28 A" 929 897 47.20      
29 A" 784 757 0.47      
30 A" 646 623 0.12      
31 A" 410 396 10.77      
32 A" 196 190 0.55      
33 A" 157 152 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 24853.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 23993.4 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 B3LYP/TZVP
ABC
0.28549 0.13933 0.09529

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.591 1.726 0.000
C2 0.000 0.525 0.000
C3 -0.822 -0.689 0.000
C4 -0.372 -1.946 0.000
C5 1.499 0.383 0.000
H6 -1.671 1.825 0.000
H7 -0.017 2.645 0.000
H8 -1.896 -0.520 0.000
H9 0.685 -2.185 0.000
H10 -1.056 -2.784 0.000
H11 1.984 1.359 0.000
H12 1.843 -0.168 0.879
H13 1.843 -0.168 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.33952.42653.67902.48461.08371.08302.59804.11444.53482.60103.20723.2072
C21.33951.46562.49821.50572.11692.12042.16452.79473.47342.15222.15602.1560
C32.42651.46561.33522.55672.65323.42951.08682.12322.10853.47382.85382.8538
C43.67902.49821.33522.98753.98824.60442.08681.08301.08254.05862.97272.9727
C52.48461.50572.55672.98753.48192.72263.51282.69444.06991.08971.09351.0935
H61.08372.11692.65323.98823.48191.84562.35604.65044.65003.68374.13364.1336
H71.08302.12043.42954.60442.72261.84563.68064.88065.52782.37813.48483.4848
H82.59802.16451.08682.08683.51282.35603.68063.07062.41464.31073.85633.8563
H94.11442.79472.12321.08302.69444.65044.88063.07061.84123.77502.48642.4864
H104.53483.47342.10851.08254.06994.65005.52782.41461.84125.13934.00274.0027
H112.60102.15223.47384.05861.08973.68372.37814.31073.77505.13931.76821.7682
H123.20722.15602.85382.97271.09354.13363.48483.85632.48644.00271.76821.7590
H133.20722.15602.85382.97271.09354.13363.48483.85632.48644.00271.76821.7590

picture of 1,3-Butadiene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 119.697 C1 C2 C5 121.570
C2 C1 H6 121.397 C2 C1 H7 121.793
C2 C3 C4 126.179 C2 C3 H8 115.188
C2 C5 H11 111.029 C2 C5 H12 111.103
C2 C5 H13 111.103 C3 C2 C5 118.733
C3 C4 H9 122.465 C3 C4 H10 121.060
C4 C3 H8 118.633 H6 C1 H7 116.810
H9 C4 H10 116.475 H11 C5 H12 108.180
H11 C5 H13 108.180 H12 C5 H13 107.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C 0.069      
3 C -0.093      
4 C -0.261      
5 C -0.432      
6 H 0.109      
7 H 0.108      
8 H 0.113      
9 H 0.124      
10 H 0.115      
11 H 0.125      
12 H 0.135      
13 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.270 0.005 0.000 0.270
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.954 0.122 0.000
y 0.122 -30.654 0.000
z 0.000 0.000 -35.523
Traceless
 xyz
x 3.135 0.122 0.000
y 0.122 2.084 0.000
z 0.000 0.000 -5.219
Polar
3z2-r2-10.438
x2-y20.701
xy0.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.642 -1.023 0.000
y -1.023 13.724 0.000
z 0.000 0.000 5.788


<r2> (average value of r2) Å2
<r2> 131.729
(<r2>)1/2 11.477