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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: MP2/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-286.033977
Energy at 298.15K-286.041742
HF Energy-284.943012
Nuclear repulsion energy216.452578
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/Def2TZVPP
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' 3184 3030 12.84      
2 A' 3093 2943 10.52      
3 A' 3038 2891 36.99      
4 A' 3030 2883 30.98      
5 A' 2215 2107 6.49      
6 A' 1540 1466 3.82      
7 A' 1517 1443 0.77      
8 A' 1512 1438 4.53      
9 A' 1454 1384 8.62      
10 A' 1415 1346 14.12      
11 A' 1386 1319 46.25      
12 A' 1173 1116 196.18      
13 A' 1157 1101 16.99      
14 A' 1068 1016 20.00      
15 A' 965 918 5.97      
16 A' 909 865 6.15      
17 A' 550 524 0.91      
18 A' 423 402 0.87      
19 A' 297 282 2.06      
20 A' 132 125 3.31      
21 A" 3192 3037 13.88      
22 A" 3081 2931 0.11      
23 A" 3073 2924 51.45      
24 A" 1499 1427 6.62      
25 A" 1313 1249 2.71      
26 A" 1273 1211 3.04      
27 A" 1192 1135 5.73      
28 A" 1040 990 1.51      
29 A" 827 787 0.50      
30 A" 355 338 1.29      
31 A" 251 238 0.28      
32 A" 114 108 6.01      
33 A" 78 74 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 23671.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 22523.5 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/Def2TZVPP
ABC
0.52643 0.05006 0.04692

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.956 2.521 0.000
C2 -1.241 1.039 0.000
O3 0.000 0.358 0.000
C4 -0.179 -1.027 0.000
C5 1.138 -1.673 0.000
N6 2.169 -2.209 0.000
H7 -1.889 3.079 0.000
H8 -0.384 2.793 0.883
H9 -0.384 2.793 -0.883
H10 -1.822 0.756 -0.885
H11 -1.822 0.756 0.885
H12 -0.727 -1.368 -0.885
H13 -0.727 -1.368 0.885

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50892.36423.63204.68715.66851.08811.08711.08712.15592.15593.99513.9951
C21.50891.41552.32333.60734.70932.14102.14312.14311.09581.09582.61592.6159
O32.36421.41551.39702.32813.36073.31292.61852.61852.06432.06432.07222.0722
C43.63202.32331.39701.46622.62864.44873.92663.92662.58132.58131.09581.0958
C54.68713.60732.32811.46621.16255.63464.80014.80013.92973.92972.08662.0866
N65.66854.70933.36072.62861.16256.66605.68465.68465.05005.05003.14323.1432
H71.08812.14103.31294.44875.63466.66601.76901.76902.48732.48734.68164.6816
H81.08712.14312.61853.92664.80015.68461.76901.76643.05722.49414.53484.1758
H91.08712.14312.61853.92664.80015.68461.76901.76642.49413.05724.17584.5348
H102.15591.09582.06432.58133.92975.05002.48733.05722.49411.76952.38982.9739
H112.15591.09582.06432.58133.92975.05002.48732.49413.05721.76952.97392.3898
H123.99512.61592.07221.09582.08663.14324.68164.53484.17582.38982.97391.7705
H133.99512.61592.07221.09582.08663.14324.68164.17584.53482.97392.38981.7705

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 107.846 C1 C2 H10 110.731
C1 C2 H11 110.731 C2 C1 H7 110.006
C2 C1 H8 110.229 C2 C1 H9 110.229
C2 O3 C4 111.387 O3 C2 H10 109.922
O3 C2 H11 109.922 O3 C4 C5 108.771
O3 C4 H12 111.889 O3 C4 H13 111.889
C4 C5 N6 178.700 C5 C4 H12 108.194
C5 C4 H13 108.194 H7 C1 H8 108.837
H7 C1 H9 108.837 H8 C1 H9 108.664
H10 C2 H11 107.696 H12 C4 H13 107.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability