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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-248.055326
Energy at 298.15K-248.063692
HF Energy-247.084856
Nuclear repulsion energy181.861417
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/aug-cc-pVTZ
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' 3192 3042 0.17      
2 A' 3169 3020 10.90      
3 A' 3057 2913 45.55      
4 A' 3051 2907 51.93      
5 A' 3006 2864 71.28      
6 A' 1747 1665 497.00      
7 A' 1559 1486 21.10      
8 A' 1523 1452 10.97      
9 A' 1473 1404 5.73      
10 A' 1447 1378 74.60      
11 A' 1441 1374 10.06      
12 A' 1422 1355 26.59      
13 A' 1303 1241 30.06      
14 A' 1110 1058 108.53      
15 A' 1089 1038 3.51      
16 A' 884 842 1.87      
17 A' 659 628 6.29      
18 A' 387 368 1.44      
19 A' 316 301 10.87      
20 A" 3129 2982 9.48      
21 A" 3118 2971 35.87      
22 A" 1520 1448 15.22      
23 A" 1498 1427 3.79      
24 A" 1186 1130 3.57      
25 A" 1139 1085 0.13      
26 A" 1021 973 0.43      
27 A" 338 322 15.39      
28 A" 229 218 1.81      
29 A" 168 160 0.46      
30 A" 103 98 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 22641.3 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21574.9 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/aug-cc-pVTZ
ABC
0.30009 0.13993 0.09898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.696 -0.823 0.000
O2 0.212 -1.942 0.000
N3 0.000 0.344 0.000
C4 -1.448 0.344 0.000
C5 0.660 1.625 0.000
H6 1.784 -0.644 0.000
H7 -1.782 -0.689 0.000
H8 -1.830 0.850 0.888
H9 -1.830 0.850 -0.888
H10 1.738 1.475 0.000
H11 0.388 2.204 -0.886
H12 0.388 2.204 0.886

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.21891.35912.44132.44901.10322.48133.15713.15712.52383.16903.1690
O21.21892.29652.82623.59582.03852.35583.57173.57173.74264.24354.2435
N31.35912.29651.44841.44132.03972.05992.09622.09622.07342.09612.0961
C42.44132.82621.44842.46743.38031.08551.09101.09103.38102.75982.7598
C52.44903.59581.44132.46742.53273.36462.75572.75571.08791.09231.0923
H61.10322.03852.03973.38032.53273.56654.01064.01062.12003.29313.2931
H72.48132.35582.05991.08553.36463.56651.77701.77704.13193.72323.7232
H83.15713.57172.09621.09102.75574.01061.77701.77653.72983.14702.5993
H93.15713.57172.09621.09102.75574.01061.77701.77653.72982.59933.1470
H102.52383.74262.07343.38101.08792.12004.13193.72983.72981.77101.7710
H113.16904.24352.09612.75981.09233.29313.72323.14702.59931.77101.7716
H123.16904.24352.09612.75981.09233.29313.72322.59933.14701.77101.7716

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.782 C1 N3 C5 121.949
O2 C1 N3 125.866 O2 C1 H6 122.690
N3 C1 H6 111.445 N3 C4 H7 107.905
N3 C4 H8 110.489 N3 C4 H9 110.489
N3 C5 H10 109.332 N3 C5 H11 110.893
N3 C5 H12 110.893 C4 N3 C5 117.269
H7 C4 H8 109.463 H7 C4 H9 109.463
H8 C4 H9 109.014 H10 C5 H11 108.645
H10 C5 H12 108.645 H11 C5 H12 108.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability