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

using model chemistry: B3LYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-211.383107
Energy at 298.15K-211.390342
HF Energy-211.383107
Nuclear repulsion energy158.504003
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 A' 3142 3017 23.94      
2 A' 3136 3011 39.04      
3 A' 3063 2941 17.14      
4 A' 3044 2923 6.11      
5 A' 2362 2268 7.64      
6 A' 1539 1478 8.68      
7 A' 1530 1469 7.37      
8 A' 1450 1393 1.77      
9 A' 1368 1314 7.09      
10 A' 1205 1157 3.01      
11 A' 1140 1095 5.09      
12 A' 932 895 0.65      
13 A' 774 743 0.72      
14 A' 554 532 1.34      
15 A' 353 339 0.22      
16 A' 286 275 0.99      
17 A' 222 213 2.17      
18 A" 3140 3016 14.95      
19 A" 3131 3007 0.63      
20 A" 3060 2938 16.73      
21 A" 1519 1459 3.01      
22 A" 1517 1457 0.63      
23 A" 1429 1372 2.25      
24 A" 1340 1286 0.84      
25 A" 1135 1090 2.19      
26 A" 979 940 0.10      
27 A" 950 913 2.02      
28 A" 572 550 0.02      
29 A" 229 220 0.01      
30 A" 188 181 4.62      

Unscaled Zero Point Vibrational Energy (zpe) 22644.4 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 21745.4 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/6-31G*
ABC
0.26308 0.13116 0.09584

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.403 -2.187 0.000
C2 0.027 -1.088 0.000
C3 -0.438 0.310 0.000
C4 0.027 1.032 1.280
C5 0.027 1.032 -1.280
H6 -1.536 0.274 0.000
H7 -0.368 2.054 1.289
H8 -0.324 0.516 2.178
H9 1.120 1.085 1.320
H10 -0.368 2.054 -1.289
H11 -0.324 0.516 -2.178
H12 1.120 1.085 -1.320

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16112.63423.48413.48413.13254.49843.54663.60014.49843.54663.6001
C21.16111.47312.47632.47632.07323.41872.72782.76733.41872.72782.7673
C32.63421.47311.54141.54141.09872.16982.19072.18432.16982.19072.1843
C43.48412.47631.54142.55922.15801.09521.09411.09502.79253.51352.8203
C53.48412.47631.54142.55922.15802.79253.51352.82031.09521.09411.0950
H63.13252.07321.09872.15802.15802.48912.50423.07512.48912.50423.0751
H74.49843.41872.16981.09522.79252.48911.77631.77562.57843.79303.1557
H83.54662.72782.19071.09413.51352.50421.77631.77403.79304.35603.8269
H93.60012.76732.18431.09502.82033.07511.77561.77403.15573.82692.6396
H104.49843.41872.16982.79251.09522.48912.57843.79303.15571.77631.7756
H113.54662.72782.19073.51351.09412.50423.79304.35603.82691.77631.7740
H123.60012.76732.18432.82031.09503.07513.15573.82692.63961.77561.7740

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 179.555 C2 C3 C4 110.445
C2 C3 C5 110.445 C2 C3 H6 106.535
C3 C4 H7 109.604 C3 C4 H8 111.326
C3 C4 H9 110.760 C3 C5 H10 109.604
C3 C5 H11 111.326 C3 C5 H12 110.760
C4 C3 C5 112.233 C4 C3 H6 108.489
C5 C3 H6 108.489 H7 C4 H8 108.461
H7 C4 H9 108.336 H8 C4 H9 108.271
H10 C5 H11 108.461 H10 C5 H12 108.336
H11 C5 H12 108.271
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.472      
2 C 0.347      
3 C -0.163      
4 C -0.441      
5 C -0.441      
6 H 0.183      
7 H 0.157      
8 H 0.169      
9 H 0.167      
10 H 0.157      
11 H 0.169      
12 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.117 3.782 0.000 3.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.261 1.747 0.000
y 1.747 -38.886 0.000
z 0.000 0.000 -29.748
Traceless
 xyz
x 4.056 1.747 0.000
y 1.747 -8.882 0.000
z 0.000 0.000 4.825
Polar
3z2-r29.650
x2-y28.625
xy1.747
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.521 -0.652 0.000
y -0.652 8.078 0.000
z 0.000 0.000 6.071


<r2> (average value of r2) Å2
<r2> 129.513
(<r2>)1/2 11.380