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All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-303.163766
Energy at 298.15K-303.173886
HF Energy-302.078107
Nuclear repulsion energy249.054623
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 MP2/6-31G(2df,p)
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 3673 3469 33.78      
2 A 3237 3058 4.55      
3 A 3188 3011 6.03      
4 A 3098 2926 2.58      
5 A 1819 1718 200.80      
6 A 1552 1465 12.04      
7 A 1523 1439 0.11      
8 A 1486 1404 4.80      
9 A 1468 1387 6.24      
10 A 1220 1152 0.23      
11 A 1194 1128 0.75      
12 A 1160 1095 6.54      
13 A 937 885 0.97      
14 A 558 527 85.80      
15 A 441 416 44.25      
16 A 227 215 2.89      
17 A 195 184 0.03      
18 A 97 92 0.38      
19 B 3670 3466 13.72      
20 B 3237 3057 3.64      
21 B 3188 3011 31.82      
22 B 3097 2925 81.52      
23 B 1580 1492 310.47      
24 B 1536 1451 12.76      
25 B 1515 1431 101.92      
26 B 1469 1388 15.05      
27 B 1281 1210 193.64      
28 B 1172 1107 27.65      
29 B 1156 1091 4.62      
30 B 1073 1014 0.69      
31 B 778 735 19.26      
32 B 744 703 28.57      
33 B 501 473 98.54      
34 B 323 305 45.31      
35 B 125 118 8.62      
36 B 103 97 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 26809.9 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 25322.0 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 MP2/6-31G(2df,p)
ABC
0.32705 0.07338 0.06157

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.089
O2 0.000 0.000 1.309
N3 0.000 1.156 -0.671
N4 0.000 -1.156 -0.671
C5 -0.263 2.403 0.025
C6 0.263 -2.403 0.025
H7 -0.423 1.067 -1.581
H8 0.423 -1.067 -1.581
H9 -0.026 3.235 -0.637
H10 0.026 -3.235 -0.637
H11 0.379 2.450 0.901
H12 -0.379 -2.450 0.901
H13 -1.300 2.494 0.362
H14 1.300 -2.494 0.362

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.21961.38311.38312.41822.41822.02662.02663.31583.31582.60832.60832.82572.8257
O21.21962.29202.29202.73712.73713.10943.10943.77533.77532.51202.51202.96772.9677
N31.38312.29202.31161.45193.63561.00802.43912.07994.39132.07063.95122.13234.0096
N41.38312.29202.31163.63561.45192.43911.00804.39132.07993.95122.07064.00962.1323
C52.41822.73711.45193.63564.83462.09503.88471.08945.68431.08754.93231.09405.1515
C62.41822.73713.63561.45194.83463.88472.09505.68431.08944.93231.08755.15151.0940
H72.02663.10941.00802.43912.09503.88472.29592.39794.42752.95234.30462.56504.4075
H82.02663.10942.43911.00803.88472.09502.29594.42752.39794.30462.95234.40752.5650
H93.31583.77532.07994.39131.08945.68432.39794.42756.47071.77415.89971.78035.9650
H103.31583.77534.39132.07995.68431.08944.42752.39796.47075.89971.77415.96501.7803
H112.60832.51202.07063.95121.08754.93232.95234.30461.77415.89974.95731.76415.0575
H122.60832.51203.95122.07064.93231.08754.30462.95235.89971.77414.95735.05751.7641
H132.82572.96772.13234.00961.09405.15152.56504.40751.78035.96501.76415.05755.6251
H142.82572.96774.00962.13235.15151.09404.40752.56505.96501.78035.05751.76415.6251

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 117.052 C1 N3 H7 114.991
C1 N4 C6 117.052 C1 N4 H8 114.991
O2 C1 N3 123.313 O2 C1 N4 123.313
N3 C1 N4 113.373 N3 C5 H9 109.018
N3 C5 H11 108.399 N3 C5 H13 113.008
N4 C6 H10 109.018 N4 C6 H12 108.399
N4 C6 H14 113.008 C5 N3 H7 115.599
C6 N4 H8 115.599 H9 C5 H11 109.165
H9 C5 H13 109.250 H10 C6 H12 109.165
H10 C6 H14 109.250 H11 C5 H13 107.934
H12 C6 H14 107.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability