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All results from a given calculation for N(CH3)2CONH2 (Urea, N,N-dimethyl-)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-57.039333
Energy at 298.15K-57.049681
HF Energy-56.189737
Nuclear repulsion energy140.725185
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/CEP-31G*
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 3701 3514 24.48      
2 A 3579 3398 25.08      
3 A 3238 3074 8.22      
4 A 3214 3051 31.43      
5 A 3173 3012 41.86      
6 A 3172 3011 34.38      
7 A 3073 2918 70.06      
8 A 3071 2915 45.25      
9 A 1785 1695 370.78      
10 A 1668 1584 150.37      
11 A 1544 1466 57.68      
12 A 1526 1449 24.82      
13 A 1518 1441 4.86      
14 A 1514 1438 19.92      
15 A 1503 1427 12.96      
16 A 1471 1397 4.45      
17 A 1437 1364 212.42      
18 A 1297 1231 29.75      
19 A 1277 1212 22.10      
20 A 1184 1124 14.45      
21 A 1138 1080 6.13      
22 A 1122 1065 76.55      
23 A 1091 1036 16.38      
24 A 1031 979 16.15      
25 A 804 764 118.14      
26 A 780 741 5.47      
27 A 663 629 172.56      
28 A 592 562 14.03      
29 A 501 475 4.10      
30 A 443 420 19.47      
31 A 401 381 26.16      
32 A 323 307 6.58      
33 A 240 228 28.46      
34 A 162 154 2.17      
35 A 140 132 1.04      
36 A 66 63 6.92      

Unscaled Zero Point Vibrational Energy (zpe) 26719.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 25367.3 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/CEP-31G*
ABC
0.16552 0.11680 0.07179

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -2.622 0.458 -0.040
O2 -1.128 -1.435 0.166
C3 -0.756 -0.264 -0.028
N4 0.575 0.093 -0.275
H5 -1.498 1.559 -0.668
N6 -1.668 0.818 0.012
H7 1.738 -1.182 1.003
H8 2.486 -0.720 -0.573
H9 1.145 -1.921 -0.516
C10 1.544 -0.999 -0.073
H11 0.454 2.227 -0.251
H12 2.092 1.534 -0.195
H13 1.055 1.505 1.276
C14 1.059 1.412 0.171

Atom - Atom Distances (Å)
  H1 O2 C3 N4 H5 N6 H7 H8 H9 C10 H11 H12 H13 C14
H12.41992.00043.22601.69421.02104.77295.26914.48004.41343.55484.83724.04283.8088
O22.41991.24422.32983.12982.32132.99623.75792.42232.71804.01104.39443.82583.5901
C32.00041.24421.39962.06911.41482.85043.31932.56842.41522.77823.37162.84702.4784
N43.22602.32981.39962.56902.37422.14692.09832.10621.47382.13802.09382.15141.4745
H51.69423.12982.06912.56901.02014.55744.59064.37194.01872.10453.62043.20862.6954
N61.02102.32131.41482.37421.02014.07144.46783.96063.69092.56093.83263.07912.7957
H74.77292.99622.85042.14694.55744.07141.80501.79021.10833.85252.98912.78512.8066
H85.26913.75793.31932.09834.59064.46781.80501.80131.10273.59412.31893.22742.6709
H94.48002.42232.56842.10624.37193.96061.79021.80131.09774.21323.59613.86663.4036
C104.41342.71802.41521.47384.01873.69091.10831.10271.09773.41002.59422.88562.4711
H113.55484.01102.77822.13802.10452.56093.85253.59414.21323.41001.77921.79331.1002
H124.83724.39443.37162.09383.62043.83262.98912.31893.59612.59421.77921.80011.1022
H134.04283.82582.84702.15143.20863.07912.78513.22743.86662.88561.79331.80011.1083
C143.80883.59012.47841.47452.69542.79572.80662.67093.40362.47111.10021.10221.1083

picture of Urea, N,N-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N6 C3 109.353 H1 N6 H5 112.206
O2 C3 N4 123.470 O2 C3 N6 121.484
C3 N4 C10 114.368 C3 N4 C14 119.135
C3 N6 H5 115.415 N4 C3 N6 115.036
N4 C10 H7 111.718 N4 C10 H8 108.189
N4 C10 H9 109.106 N4 C14 H11 111.456
N4 C14 H12 107.827 N4 C14 H13 112.038
H7 C10 H8 109.444 H7 C10 H9 108.487
H8 C10 H9 109.886 C10 N4 C14 113.891
H11 C14 H12 107.777 H11 C14 H13 108.583
H12 C14 H13 109.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability