return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (1-Butyne, 3,3-dimethyl-)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-234.379868
Energy at 298.15K-234.371069
HF Energy-234.595090
Nuclear repulsion energy225.681110
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/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 A1 3495 3356 54.84      
2 A1 3124 3000 67.52      
3 A1 3055 2933 26.25      
4 A1 2230 2141 2.83      
5 A1 1547 1486 6.16      
6 A1 1455 1397 0.60      
7 A1 1287 1236 24.48      
8 A1 900 864 0.82      
9 A1 696 668 0.74      
10 A1 381 366 0.13      
11 A2 3127 3003 0.00      
12 A2 1507 1447 0.00      
13 A2 978 939 0.00      
14 A2 221 212 0.00      
15 E 3131 3007 41.76      
15 E 3131 3007 41.77      
16 E 3117 2993 5.34      
16 E 3117 2993 5.34      
17 E 3047 2926 22.59      
17 E 3047 2926 22.60      
18 E 1530 1469 5.46      
18 E 1530 1469 5.46      
19 E 1517 1456 0.39      
19 E 1517 1456 0.39      
20 E 1423 1366 3.16      
20 E 1423 1366 3.16      
21 E 1240 1190 5.92      
21 E 1239 1190 5.92      
22 E 1062 1020 0.13      
22 E 1062 1020 0.13      
23 E 940 902 0.40      
23 E 940 902 0.40      
24 E 613 588 48.08      
24 E 613 588 48.08      
25 E 555 533 1.22      
25 E 555 533 1.22      
26 E 355 341 0.34      
26 E 355 341 0.34      
27 E 276 265 0.00      
27 E 276 265 0.00      
28 E 179 172 0.20      
28 E 179 172 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 30983.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 29753.2 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/6-31G*
ABC
0.15018 0.08903 0.08903

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.175
C2 0.000 0.000 -0.299
C3 0.000 1.460 -0.808
C4 1.265 -0.730 -0.808
C5 -1.265 -0.730 -0.808
C6 0.000 0.000 2.383
H7 0.000 0.000 3.449
H8 0.000 1.476 -1.905
H9 1.278 -0.738 -1.905
H10 -1.278 -0.738 -1.905
H11 -0.886 1.998 -0.456
H12 0.886 1.998 -0.456
H13 2.174 -0.231 -0.456
H14 1.287 -1.767 -0.456
H15 -1.287 -1.767 -0.456
H16 -2.174 -0.231 -0.456

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.47382.46282.46282.46281.20832.27443.41503.41503.41502.72742.72742.72742.72742.72742.7274
C21.47381.54661.54661.54662.68213.74822.18092.18092.18092.19162.19162.19162.19162.19162.1916
C32.46281.54662.52932.52933.50974.50111.09662.76902.76901.09501.09502.77693.49213.49212.7769
C42.46281.54662.52932.52933.50974.50112.76901.09662.76903.49212.77691.09501.09502.77693.4921
C52.46281.54662.52932.52933.50974.50112.76902.76901.09662.77693.49213.49212.77691.09501.0950
C61.20832.68213.50973.50973.50971.06614.53474.53474.53473.58333.58333.58333.58333.58333.5833
H72.27443.74824.50114.50114.50111.06615.55375.55375.55374.47564.47564.47564.47564.47564.4756
H83.41502.18091.09662.76902.76904.53475.55372.55602.55601.77681.77683.12053.77743.77743.1205
H93.41502.18092.76901.09662.76904.53475.55372.55602.55603.77743.12051.77681.77683.12053.7774
H103.41502.18092.76902.76901.09664.53475.55372.55602.55603.12053.77743.77743.12051.77681.7768
H112.72742.19161.09503.49212.77693.58334.47561.77683.77743.12051.77273.78624.34733.78622.5746
H122.72742.19161.09502.77693.49213.58334.47561.77683.12053.77741.77272.57463.78624.34733.7862
H132.72742.19162.77691.09503.49213.58334.47563.12051.77683.77743.78622.57461.77273.78624.3473
H142.72742.19163.49211.09502.77693.58334.47563.77741.77683.12054.34733.78621.77272.57463.7862
H152.72742.19163.49212.77691.09503.58334.47563.77743.12051.77683.78624.34733.78622.57461.7727
H162.72742.19162.77693.49211.09503.58334.47563.12053.77741.77682.57463.78624.34733.78621.7727

picture of 1-Butyne, 3,3-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 109.112 C1 C2 C4 109.111
C1 C2 C5 109.111 C1 C6 H7 180.000
C2 C1 C6 180.000 C2 C3 H8 110.045
C2 C3 H11 111.007 C2 C3 H12 111.007
C2 C4 H9 110.045 C2 C4 H13 111.007
C2 C4 H14 111.007 C2 C5 H10 110.045
C2 C5 H15 111.007 C2 C5 H16 111.007
C3 C2 C4 109.829 C3 C2 C5 109.829
C4 C2 C5 109.829 H8 C3 H11 108.304
H8 C3 H12 108.304 H9 C4 H13 108.304
H9 C4 H14 108.304 H10 C5 H15 108.304
H10 C5 H16 108.304 H11 C3 H12 108.079
H13 C4 H14 108.079 H15 C5 H16 108.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.358 -0.194 -0.531 -0.190
2 C -0.054 0.653 0.159 0.702
3 C -0.433 -0.309 -0.019 -0.458
4 C -0.433 -0.279 -0.019 -0.450
5 C -0.433 -0.279 -0.019 -0.444
6 C -0.526 -0.335 0.149 -0.367
7 H 0.184 0.245 0.161 0.270
8 H 0.141 0.054 0.007 0.096
9 H 0.141 0.047 0.007 0.095
10 H 0.141 0.047 0.007 0.093
11 H 0.152 0.064 0.016 0.111
12 H 0.152 0.064 0.016 0.111
13 H 0.152 0.056 0.016 0.109
14 H 0.152 0.055 0.016 0.108
15 H 0.152 0.055 0.016 0.108
16 H 0.152 0.056 0.016 0.107


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 -0.592 0.592
CHELPG 0.000 0.004 -0.542 0.542
AIM 0.000 0.000 -0.601 0.601
ESP 0.001 -0.000 -0.595 0.595


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 175.637
(<r2>)1/2 13.253