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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-209.047946
Energy at 298.15K-209.055321
HF Energy-209.047946
Nuclear repulsion energy159.352819
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/3-21G
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' 3087 3037 7.17      
2 A' 3079 3029 14.86      
3 A' 2994 2945 9.32      
4 A' 2983 2934 0.55      
5 A' 2306 2268 4.80      
6 A' 1507 1482 20.69      
7 A' 1499 1474 17.68      
8 A' 1404 1381 13.22      
9 A' 1336 1314 2.00      
10 A' 1186 1166 5.80      
11 A' 1130 1111 11.64      
12 A' 942 926 3.91      
13 A' 789 776 0.64      
14 A' 588 578 1.84      
15 A' 358 352 0.18      
16 A' 297 292 0.59      
17 A' 236 232 0.89      
18 A" 3086 3036 7.23      
19 A" 3075 3025 0.01      
20 A" 2992 2943 6.79      
21 A" 1482 1458 0.99      
22 A" 1482 1457 7.85      
23 A" 1386 1363 23.11      
24 A" 1285 1264 0.12      
25 A" 1123 1105 3.64      
26 A" 977 961 0.13      
27 A" 938 923 7.00      
28 A" 611 601 0.37      
29 A" 236 232 0.04      
30 A" 208 204 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 22300.5 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 21934.8 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/3-21G
ABC
0.26926 0.13280 0.09803

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.153 -2.204 0.000
C2 -0.113 -1.065 0.000
C3 -0.419 0.350 0.000
C4 0.153 1.012 1.257
C5 0.153 1.012 -1.257
H6 -1.523 0.463 0.000
H7 -0.100 2.087 1.252
H8 -0.251 0.553 2.175
H9 1.253 0.910 1.263
H10 -0.100 2.087 -1.252
H11 -0.251 0.553 -2.175
H12 1.253 0.910 -1.263

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16992.61743.45313.45313.14974.47693.53483.53514.47693.53483.5351
C21.16991.44762.44232.44232.07863.39122.71412.71243.39122.71412.7124
C32.61741.44761.53131.53131.10972.16422.19052.16782.16422.19052.1678
C43.45312.44231.53132.51382.16551.10411.10281.10422.74073.48562.7508
C53.45312.44231.53132.51382.16552.74073.48562.75081.10411.10281.1042
H63.14972.07861.10972.16552.16552.49542.52073.08132.49542.52073.0813
H74.47693.39122.16421.10412.74072.49541.79641.79342.50313.75683.0881
H83.53482.71412.19051.10283.48562.52071.79641.79443.75684.34923.7685
H93.53512.71242.16781.10422.75083.08131.79341.79443.08813.76852.5251
H104.47693.39122.16422.74071.10412.49542.50313.75683.08811.79641.7934
H113.53482.71412.19053.48561.10282.52073.75684.34923.76851.79641.7944
H123.53512.71242.16782.75081.10423.08133.08813.76852.52511.79341.7944

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.032 C2 C3 C4 110.109
C2 C3 C5 110.109 C2 C3 H6 108.013
C3 C4 H7 109.341 C3 C4 H8 111.486
C3 C4 H9 109.615 C3 C5 H10 109.341
C3 C5 H11 111.486 C3 C5 H12 109.615
C4 C3 C5 110.330 C4 C3 H6 109.117
C5 C3 H6 109.117 H7 C4 H8 108.969
H7 C4 H9 108.597 H8 C4 H9 108.781
H10 C5 H11 108.969 H10 C5 H12 108.597
H11 C5 H12 108.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.444      
2 C 0.360      
3 C -0.396      
4 C -0.590      
5 C -0.590      
6 H 0.273      
7 H 0.225      
8 H 0.236      
9 H 0.232      
10 H 0.225      
11 H 0.236      
12 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.618 3.654 0.000 3.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.021 0.705 0.000
y 0.705 -38.500 0.000
z 0.000 0.000 -29.694
Traceless
 xyz
x 4.076 0.705 0.000
y 0.705 -8.643 0.000
z 0.000 0.000 4.566
Polar
3z2-r29.132
x2-y28.479
xy0.705
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.127 -0.359 0.000
y -0.359 7.743 0.000
z 0.000 0.000 5.724


<r2> (average value of r2) Å2
<r2> 127.389
(<r2>)1/2 11.287