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

using model chemistry: CCSD(T)=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)=FULL/TZVP
 hartrees
Energy at 0K-210.975441
Energy at 298.15K-210.982704
HF Energy-210.062990
Nuclear repulsion energy158.918455
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 CCSD(T)=FULL/TZVP
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' 3140 3002        
2 A' 3134 2997        
3 A' 3066 2931        
4 A' 3051 2917        
5 A' 2294 2193        
6 A' 1524 1456        
7 A' 1519 1452        
8 A' 1449 1385        
9 A' 1364 1304        
10 A' 1213 1159        
11 A' 1135 1085        
12 A' 943 901        
13 A' 775 741        
14 A' 541 517        
15 A' 355 340        
16 A' 294 281        
17 A' 218 208        
18 A" 3138 3000        
19 A" 3129 2992        
20 A" 3049 2915        
21 A" 1506 1440        
22 A" 1501 1435        
23 A" 1426 1363        
24 A" 1348 1289        
25 A" 1149 1099        
26 A" 987 944        
27 A" 953 912        
28 A" 559 535        
29 A" 227 217        
30 A" 183 175        

Unscaled Zero Point Vibrational Energy (zpe) 22584.8 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 21591.1 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 CCSD(T)=FULL/TZVP
ABC
0.26522 0.13177 0.09662

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.422 -2.177 0.000
C2 0.024 -1.084 0.000
C3 -0.449 0.311 0.000
C4 0.024 1.029 1.272
C5 0.024 1.029 -1.272
H6 -1.543 0.271 0.000
H7 -0.356 2.053 1.277
H8 -0.334 0.519 2.169
H9 1.116 1.062 1.307
H10 -0.356 2.053 -1.277
H11 -0.334 0.519 -2.169
H12 1.116 1.062 -1.307

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16302.63653.47193.47193.13924.48683.54183.56084.48683.54183.5608
C21.16301.47372.46642.46642.07193.40862.72082.73953.40862.72082.7395
C32.63651.47371.53511.53511.09492.16172.18182.17212.16172.18182.1721
C43.47192.46641.53512.54442.15591.09271.09161.09272.77373.49692.8006
C53.47192.46641.53512.54442.15592.77373.49692.80061.09271.09161.0927
H63.13922.07191.09492.15592.15592.49302.49553.06612.49302.49553.0661
H74.48683.40862.16171.09272.77372.49301.77451.77472.55433.77213.1344
H83.54182.72082.18181.09163.49692.49551.77451.77163.77214.33763.8045
H93.56082.73952.17211.09272.80063.06611.77471.77163.13443.80452.6132
H104.48683.40862.16172.77371.09272.49302.55433.77213.13441.77451.7747
H113.54182.72082.18183.49691.09162.49553.77214.33763.80451.77451.7716
H123.56082.73952.17212.80061.09273.06613.13443.80452.61321.77471.7716

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 178.717 C2 C3 C4 110.100
C2 C3 C5 110.100 C2 C3 H6 106.610
C3 C4 H7 109.550 C3 C4 H8 111.202
C3 C4 H9 110.364 C3 C5 H10 109.550
C3 C5 H11 111.202 C3 C5 H12 110.364
C4 C3 C5 111.942 C4 C3 H6 108.965
C5 C3 H6 108.965 H7 C4 H8 108.662
H7 C4 H9 108.600 H8 C4 H9 108.402
H10 C5 H11 108.662 H10 C5 H12 108.600
H11 C5 H12 108.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability