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

using model chemistry: LSDA/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 LSDA/cc-pVTZ
 hartrees
Energy at 0K-194.248240
Energy at 298.15K-194.255219
Nuclear repulsion energy158.255773
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 LSDA/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 3071 3038 7.54      
2 A1 3038 3005 4.44      
3 A1 2949 2917 42.92      
4 A1 2050 2028 35.52      
5 A1 1459 1443 5.44      
6 A1 1394 1379 11.99      
7 A1 1336 1321 0.19      
8 A1 1275 1261 11.38      
9 A1 988 978 8.53      
10 A1 752 744 0.21      
11 A1 327 323 0.23      
12 A2 3006 2973 0.00      
13 A2 1389 1374 0.00      
14 A2 954 943 0.00      
15 A2 597 590 0.00      
16 A2 168 166 0.00      
17 B1 3110 3076 0.88      
18 B1 3004 2971 21.89      
19 B1 1407 1391 21.94      
20 B1 1044 1033 0.68      
21 B1 969 958 0.18      
22 B1 450 445 0.31      
23 B1 252 249 5.62      
24 B1 183 181 1.98      
25 B2 3071 3037 7.53      
26 B2 2947 2915 12.30      
27 B2 1398 1383 9.68      
28 B2 1323 1309 15.78      
29 B2 1219 1206 2.16      
30 B2 928 918 0.24      
31 B2 833 824 51.37      
32 B2 590 584 11.44      
33 B2 175 173 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 23827.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 23567.7 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 LSDA/cc-pVTZ
ABC
0.28334 0.12192 0.08969

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 2.225
C2 0.000 0.000 0.927
H3 -0.933 0.000 2.798
H4 0.933 0.000 2.798
C5 0.000 0.000 -0.377
C6 0.000 1.264 -1.161
C7 0.000 -1.264 -1.161
H8 0.000 2.150 -0.515
H9 0.000 -2.150 -0.515
H10 0.884 1.310 -1.819
H11 -0.884 1.310 -1.819
H12 -0.884 -1.310 -1.819
H13 0.884 -1.310 -1.819

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 H8 H9 H10 H11 H12 H13
C11.29881.09451.09452.60283.61513.61513.48283.48284.34234.34234.34234.3423
C21.29882.09132.09131.30402.44102.44102.58822.58823.16803.16803.16803.1680
H31.09452.09131.86503.30994.26014.26014.05814.05815.13204.80004.80005.1320
H41.09452.09131.86503.30994.26014.26014.05814.05814.80005.13205.13204.8000
C52.60281.30403.30993.30991.48761.48762.15422.15422.13912.13912.13912.1391
C63.61512.44104.26014.26011.48762.52851.09663.47481.10271.10272.80012.8001
C73.61512.44104.26014.26011.48762.52853.47481.09662.80012.80011.10271.1027
H83.48282.58824.05814.05812.15421.09663.47484.29961.78551.78553.80173.8017
H93.48282.58824.05814.05812.15423.47481.09664.29963.80173.80171.78551.7855
H104.34233.16805.13204.80002.13911.10272.80011.78553.80171.76793.16072.6200
H114.34233.16804.80005.13202.13911.10272.80011.78553.80171.76792.62003.1607
H124.34233.16804.80005.13202.13912.80011.10273.80171.78553.16072.62001.7679
H134.34233.16805.13204.80002.13912.80011.10273.80171.78552.62003.16071.7679

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 121.571
C2 C1 H4 121.571 C2 C5 C6 121.806
C2 C5 C7 121.806 H3 C1 H4 116.858
C5 C6 H8 112.050 C5 C6 H10 110.461
C5 C6 H11 110.461 C5 C7 H9 112.050
C5 C7 H12 110.461 C5 C7 H13 110.461
C6 C5 C7 116.388 H8 C6 H10 108.557
H8 C6 H11 108.557 H9 C7 H12 108.557
H9 C7 H13 108.557 H10 C6 H11 106.573
H12 C7 H13 106.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.396      
2 C 0.019      
3 H 0.126      
4 H 0.126      
5 C 0.045      
6 C -0.304      
7 C -0.304      
8 H 0.117      
9 H 0.117      
10 H 0.114      
11 H 0.114      
12 H 0.114      
13 H 0.114      


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 -0.628 0.628
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.087 0.000 0.000
y 0.000 -32.522 0.000
z 0.000 0.000 -29.581
Traceless
 xyz
x -1.036 0.000 0.000
y 0.000 -1.689 0.000
z 0.000 0.000 2.724
Polar
3z2-r25.448
x2-y20.435
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.727 0.000 0.000
y 0.000 8.034 0.000
z 0.000 0.000 14.244


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000