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

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-195.238543
Energy at 298.15K-195.245503
HF Energy-195.238543
Nuclear repulsion energy157.085097
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 B97D3/aug-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 A1 3073 3026 18.34      
2 A1 3052 3005 17.01      
3 A1 2964 2919 73.94      
4 A1 2004 1973 31.52      
5 A1 1482 1460 0.63      
6 A1 1440 1418 6.18      
7 A1 1381 1360 2.40      
8 A1 1288 1268 20.00      
9 A1 1007 991 5.04      
10 A1 721 710 0.04      
11 A1 337 332 0.13      
12 A2 3009 2963 0.00      
13 A2 1444 1422 0.00      
14 A2 985 970 0.00      
15 A2 599 590 0.00      
16 A2 153 151 0.00      
17 B1 3117 3069 6.99      
18 B1 3009 2963 49.48      
19 B1 1461 1439 13.54      
20 B1 1073 1056 0.09      
21 B1 1000 985 1.44      
22 B1 441 435 0.19      
23 B1 249 245 5.81      
24 B1 171 168 1.44      
25 B2 3072 3025 20.38      
26 B2 2960 2915 23.18      
27 B2 1451 1429 6.03      
28 B2 1364 1343 3.04      
29 B2 1175 1157 6.70      
30 B2 948 934 0.01      
31 B2 837 825 46.12      
32 B2 589 580 12.20      
33 B2 174 171 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 24014.8 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 23647.4 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 B97D3/aug-cc-pVTZ
ABC
0.27579 0.12032 0.08804

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.241
C2 0.000 0.000 0.933
H3 -0.928 0.000 2.812
H4 0.928 0.000 2.812
C5 0.000 0.000 -0.377
C6 0.000 1.286 -1.173
C7 0.000 -1.286 -1.173
H8 0.000 2.163 -0.523
H9 0.000 -2.163 -0.523
H10 0.883 1.332 -1.824
H11 -0.883 1.332 -1.824
H12 -0.883 -1.332 -1.824
H13 0.883 -1.332 -1.824

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 H8 H9 H10 H11 H12 H13
C11.30811.08941.08942.61803.64813.64813.50993.50994.36754.36754.36754.3675
C21.30812.09562.09561.30992.46742.46742.60752.60753.18623.18623.18623.1862
H31.08942.09561.85543.32124.28884.28884.08204.08205.15194.82354.82355.1519
H41.08942.09561.85543.32124.28884.28884.08204.08204.82355.15195.15194.8235
C52.61801.30993.32123.32121.51221.51222.16802.16802.15532.15532.15532.1553
C63.64812.46744.28884.28881.51222.57141.09193.50951.09761.09762.83772.8377
C73.64812.46744.28884.28881.51222.57143.50951.09192.83772.83771.09761.0976
H83.50992.60754.08204.08202.16801.09193.50954.32621.77831.77833.83193.8319
H93.50992.60754.08204.08202.16803.50951.09194.32623.83193.83191.77831.7783
H104.36753.18625.15194.82352.15531.09762.83771.77833.83191.76533.19502.6631
H114.36753.18624.82355.15192.15531.09762.83771.77833.83191.76532.66313.1950
H124.36753.18624.82355.15192.15532.83771.09763.83191.77833.19502.66311.7653
H134.36753.18625.15194.82352.15532.83771.09763.83191.77832.66313.19501.7653

picture of 1,2-Butadiene, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 180.000 C2 C1 H3 121.612
C2 C1 H4 121.612 C2 C5 C6 121.763
C2 C5 C7 121.763 H3 C1 H4 116.775
C5 C6 H8 111.711 C5 C6 H10 110.343
C5 C6 H11 110.343 C5 C7 H9 111.711
C5 C7 H12 110.343 C5 C7 H13 110.343
C6 C5 C7 116.475 H8 C6 H10 108.624
H8 C6 H11 108.624 H9 C7 H12 108.624
H9 C7 H13 108.624 H10 C6 H11 107.057
H12 C7 H13 107.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.954      
2 C 0.736      
3 H 0.154      
4 H 0.154      
5 C 0.464      
6 C -0.692      
7 C -0.692      
8 H 0.127      
9 H 0.127      
10 H 0.144      
11 H 0.144      
12 H 0.144      
13 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.650 0.650
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.101 0.000 0.000
y 0.000 -32.720 0.000
z 0.000 0.000 -30.112
Traceless
 xyz
x -0.685 0.000 0.000
y 0.000 -1.614 0.000
z 0.000 0.000 2.299
Polar
3z2-r24.598
x2-y20.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.454 0.000 0.000
y 0.000 8.949 0.000
z 0.000 0.000 14.799


<r2> (average value of r2) Å2
<r2> 143.274
(<r2>)1/2 11.970