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

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-210.390146
Energy at 298.15K-210.397313
HF Energy-209.913863
Nuclear repulsion energy155.453572
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 MP2/LANL2DZ
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' 3141 3025 44.45      
2 A' 3136 3021 58.74      
3 A' 3066 2953 8.97      
4 A' 3027 2915 21.03      
5 A' 2039 1964 2.13      
6 A' 1546 1489 15.93      
7 A' 1543 1486 9.93      
8 A' 1467 1413 5.94      
9 A' 1383 1332 4.45      
10 A' 1223 1178 4.08      
11 A' 1156 1113 8.29      
12 A' 931 897 0.27      
13 A' 754 726 0.58      
14 A' 536 516 1.81      
15 A' 356 342 0.25      
16 A' 279 269 0.29      
17 A' 214 206 1.21      
18 A" 3137 3021 20.90      
19 A" 3132 3016 1.13      
20 A" 3027 2915 28.88      
21 A" 1531 1475 5.46      
22 A" 1530 1473 0.27      
23 A" 1449 1396 7.70      
24 A" 1358 1308 0.24      
25 A" 1146 1104 5.14      
26 A" 991 954 0.00      
27 A" 962 926 2.11      
28 A" 545 525 1.20      
29 A" 214 206 0.00      
30 A" 181 174 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 22498.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 21667.8 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 MP2/LANL2DZ
ABC
0.25642 0.12494 0.09199

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.425 -2.247 0.000
C2 0.025 -1.102 0.000
C3 -0.454 0.319 0.000
C4 0.025 1.057 1.296
C5 0.025 1.057 -1.296
H6 -1.561 0.284 0.000
H7 -0.372 2.088 1.300
H8 -0.330 0.538 2.203
H9 1.128 1.104 1.326
H10 -0.372 2.088 -1.300
H11 -0.330 0.538 -2.203
H12 1.128 1.104 -1.326

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.21372.71263.57213.57213.21754.59553.63043.67174.59553.63043.6717
C21.21371.49892.51792.51792.10603.46682.76862.79963.46682.76862.7996
C32.71261.49891.56691.56691.10692.19672.21702.20902.19672.21702.2090
C43.57212.51791.56692.59202.18931.10461.10371.10442.82083.55472.8450
C53.57212.51791.56692.59202.18932.82083.55472.84501.10461.10371.1044
H63.21752.10601.10692.18932.18932.52082.53573.10832.52082.53573.1083
H74.59553.46682.19671.10462.82082.52081.79431.79492.59913.83003.1804
H83.63042.76862.21701.10373.55472.53571.79431.79323.83004.40523.8600
H93.67172.79962.20901.10442.84503.10831.79491.79323.18043.86002.6523
H104.59553.46682.19672.82081.10462.52082.59913.83003.18041.79431.7949
H113.63042.76862.21703.55471.10372.53573.83004.40523.86001.79431.7932
H123.67172.79962.20902.84501.10443.10833.18043.86002.65231.79491.7932

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 179.419 C2 C3 C4 110.404
C2 C3 C5 110.404 C2 C3 H6 106.872
C3 C4 H7 109.404 C3 C4 H8 111.036
C3 C4 H9 110.371 C3 C5 H10 109.404
C3 C5 H11 111.036 C3 C5 H12 110.371
C4 C3 C5 111.601 C4 C3 H6 108.707
C5 C3 H6 108.707 H7 C4 H8 108.688
H7 C4 H9 108.686 H8 C4 H9 108.604
H10 C5 H11 108.688 H10 C5 H12 108.686
H11 C5 H12 108.604
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability