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

using model chemistry: QCISD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-210.799106
Energy at 298.15K-210.806326
HF Energy-210.008756
Nuclear repulsion energy157.433112
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 QCISD(T)/cc-pVDZ
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' 3146 2999        
2 A' 3141 2993        
3 A' 3060 2917        
4 A' 3050 2907        
5 A' 2265 2159        
6 A' 1499 1428        
7 A' 1489 1419        
8 A' 1415 1349        
9 A' 1347 1284        
10 A' 1193 1137        
11 A' 1121 1068        
12 A' 940 896        
13 A' 771 735        
14 A' 532 507        
15 A' 350 333        
16 A' 290 276        
17 A' 217 207        
18 A" 3144 2997        
19 A" 3137 2990        
20 A" 3048 2905        
21 A" 1479 1409        
22 A" 1477 1407        
23 A" 1396 1330        
24 A" 1329 1267        
25 A" 1146 1092        
26 A" 976 930        
27 A" 930 886        
28 A" 547 522        
29 A" 233 222        
30 A" 182 174        

Unscaled Zero Point Vibrational Energy (zpe) 22423.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 21372.2 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 QCISD(T)/cc-pVDZ
ABC
0.26201 0.12895 0.09477

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.418 -2.205 0.000
C2 0.025 -1.094 0.000
C3 -0.448 0.318 0.000
C4 0.025 1.039 1.279
C5 0.025 1.039 -1.279
H6 -1.556 0.278 0.000
H7 -0.366 2.073 1.288
H8 -0.332 0.518 2.186
H9 1.130 1.081 1.313
H10 -0.366 2.073 -1.288
H11 -0.332 0.518 -2.186
H12 1.130 1.081 -1.313

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17852.66763.50893.50893.17144.53613.57203.60924.53613.57203.6092
C21.17851.48922.48692.48692.09273.44132.73992.77013.44132.73992.7701
C32.66761.48921.54271.54271.10842.17862.19862.18982.17862.19862.1898
C43.50892.48691.54272.55882.17141.10591.10501.10622.79583.52282.8182
C53.50892.48691.54272.55882.17142.79583.52282.81821.10591.10501.1062
H63.17142.09271.10842.17142.17142.50972.51713.09542.50972.51713.0954
H74.53613.44132.17861.10592.79582.50971.79571.79562.57673.80693.1607
H83.57202.73992.19861.10503.52282.51711.79571.79353.80694.37283.8339
H93.60922.77012.18981.10622.81823.09541.79561.79353.16073.83392.6257
H104.53613.44132.17862.79581.10592.50972.57673.80693.16071.79571.7956
H113.57202.73992.19863.52281.10502.51713.80694.37283.83391.79571.7935
H123.60922.77012.18982.81821.10623.09543.16073.83392.62571.79561.7935

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 179.054 C2 C3 C4 110.209
C2 C3 C5 110.209 C2 C3 H6 106.425
C3 C4 H7 109.574 C3 C4 H8 111.203
C3 C4 H9 110.436 C3 C5 H10 109.574
C3 C5 H11 111.203 C3 C5 H12 110.436
C4 C3 C5 112.057 C4 C3 H6 108.881
C5 C3 H6 108.881 H7 C4 H8 108.628
H7 C4 H9 108.524 H8 C4 H9 108.411
H10 C5 H11 108.628 H10 C5 H12 108.524
H11 C5 H12 108.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability