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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-210.746228
Energy at 298.15K-210.753512
HF Energy-210.034291
Nuclear repulsion energy153.760809
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 MP2/6-311G*
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' 3172 3014 22.86      
2 A' 3101 2947 23.19      
3 A' 3090 2936 0.47      
4 A' 3078 2925 18.95      
5 A' 2201 2091 0.09      
6 A' 1545 1469 11.60      
7 A' 1532 1456 1.84      
8 A' 1515 1440 3.61      
9 A' 1452 1380 5.66      
10 A' 1414 1343 2.00      
11 A' 1323 1258 0.44      
12 A' 1138 1081 3.52      
13 A' 1085 1031 0.08      
14 A' 975 927 2.23      
15 A' 898 854 2.24      
16 A' 528 502 0.80      
17 A' 351 334 0.04      
18 A' 164 156 5.50      
19 A" 3171 3013 43.34      
20 A" 3152 2996 0.09      
21 A" 3135 2980 0.07      
22 A" 1541 1465 11.53      
23 A" 1360 1292 0.02      
24 A" 1292 1228 0.05      
25 A" 1157 1099 0.15      
26 A" 891 847 0.22      
27 A" 749 712 3.98      
28 A" 375 357 0.17      
29 A" 246 234 0.02      
30 A" 100 95 3.83      

Unscaled Zero Point Vibrational Energy (zpe) 22866.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 21729.5 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 MP2/6-311G*
ABC
0.79045 0.07529 0.07148

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.718 -1.566 0.000
H2 2.570 -0.047 0.888
H3 2.570 -0.047 -0.888
C4 2.235 -0.587 0.000
H5 0.383 -1.295 0.879
H6 0.383 -1.295 -0.879
C7 0.705 -0.731 0.000
H8 0.318 1.208 0.883
H9 0.318 1.208 -0.883
C10 0.000 0.646 0.000
N11 -2.605 0.383 0.000
C12 -1.444 0.530 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 H6 C7 H8 H9 C10 N11 C12
H11.76601.76601.09242.51012.51012.18013.77343.77343.50515.66874.6608
H21.76601.77611.09222.51823.07632.17642.57843.12832.80655.26814.1520
H31.76601.77611.09223.07632.51822.17643.12832.57842.80655.26814.1520
C41.09241.09221.09222.16842.16841.53662.77042.77042.55234.93543.8447
H52.51012.51823.07632.16841.75791.09272.50333.06152.16493.53742.7278
H62.51013.07632.51822.16841.75791.09273.06152.50332.16493.53742.7278
C72.18012.17642.17641.53661.09271.09272.16532.16531.54713.49182.4917
H83.77342.57843.12832.77042.50333.06152.16531.76701.09403.16252.0845
H93.77343.12832.57842.77043.06152.50332.16531.76701.09403.16252.0845
C103.50512.80652.80652.55232.16492.16491.54711.09401.09402.61781.4489
N115.66875.26815.26814.93543.53743.53743.49183.16253.16252.61781.1695
C124.66084.15204.15203.84472.72782.72782.49172.08452.08451.44891.1695

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 59.810 C2 C3 C4 35.599
C2 C3 H6 89.793 C2 C3 H7 65.918
C3 C4 C5 138.891 C3 C4 H8 98.731
C3 C4 H9 68.481 C4 C3 H6 59.009
C4 C3 H7 41.354 C4 C5 H10 72.172
C4 C5 H11 117.751 C4 C5 H12 102.887
C5 C4 H8 59.430 C5 C4 H9 75.519
H6 C3 H7 25.613 H8 C4 H9 37.194
H10 C5 H11 47.502 H10 C5 H12 31.888
H11 C5 H12 15.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability