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	hartrees
Energy at 0K	-304.707878
Energy at 298.15K	-304.717160
HF Energy	-304.108541
Nuclear repulsion energy	243.768286

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3251	3103	0.27
2	A₁	3204	3058	20.20
3	A₁	3073	2934	5.13
4	A₁	1686	1609	127.92
5	A₁	1613	1539	4.66
6	A₁	1556	1485	1.41
7	A₁	1495	1427	24.26
8	A₁	1222	1167	1.65
9	A₁	1108	1057	0.98
10	A₁	834	796	35.46
11	A₁	484	462	0.06
12	A₁	258	246	5.83
13	A₂	3135	2993	0.00
14	A₂	1590	1517	0.00
15	A₂	1191	1137	0.00
16	A₂	685	654	0.00
17	A₂	243	232	0.00
18	A₂	116	110	0.00
19	B₁	3136	2993	70.64
20	B₁	1590	1517	11.74
21	B₁	1195	1141	0.24
22	B₁	790	754	120.19
23	B₁	673	642	7.10
24	B₁	263	251	0.16
25	B₁	87	83	12.87
26	B₂	3334	3182	5.65
27	B₂	3203	3058	12.29
28	B₂	3073	2933	36.13
29	B₂	1610	1537	18.11
30	B₂	1540	1470	7.11
31	B₂	1339	1278	388.72
32	B₂	1214	1159	53.81
33	B₂	1043	996	121.69
34	B₂	919	878	0.22
35	B₂	557	532	0.17
36	B₂	366	350	10.71

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	1.427
C2	0.000	0.000	0.079
H3	0.000	0.919	1.993
H4	0.000	-0.919	1.993
O5	0.000	1.106	-0.761
O6	0.000	-1.106	-0.761
C7	0.000	2.420	-0.095
C8	0.000	-2.420	-0.095
H9	0.000	3.143	-0.910
H10	0.000	-3.143	-0.910
H11	-0.893	2.548	0.527
H12	0.893	2.548	0.527
H13	0.893	-2.548	0.527
H14	-0.893	-2.548	0.527

	C1	C2	H3	H4	O5	O6	C7	C8	H9	H10	H11	H12	H13	H14
C1		1.3479	1.0796	1.0796	2.4515	2.4515	2.8584	2.8584	3.9162	3.9162	2.8459	2.8459	2.8459	2.8459
C2	1.3479		2.1231	2.1231	1.3888	1.3888	2.4258	2.4258	3.2946	3.2946	2.7367	2.7367	2.7367	2.7367
H3	1.0796	2.1231		1.8389	2.7600	3.4184	2.5708	3.9380	3.6561	4.9926	2.3659	2.3659	3.8689	3.8689
H4	1.0796	2.1231	1.8389		3.4184	2.7600	3.9380	2.5708	4.9926	3.6561	3.8689	3.8689	2.3659	2.3659
O5	2.4515	1.3888	2.7600	3.4184		2.2119	1.4728	3.5879	2.0421	4.2513	2.1295	2.1295	3.9757	3.9757
O6	2.4515	1.3888	3.4184	2.7600	2.2119		3.5879	1.4728	4.2513	2.0421	3.9757	3.9757	2.1295	2.1295
C7	2.8584	2.4258	2.5708	3.9380	1.4728	3.5879		4.8392	1.0894	5.6217	1.0955	1.0955	5.0852	5.0852
C8	2.8584	2.4258	3.9380	2.5708	3.5879	1.4728	4.8392		5.6217	1.0894	5.0852	5.0852	1.0955	1.0955
H9	3.9162	3.2946	3.6561	4.9926	2.0421	4.2513	1.0894	5.6217		6.2854	1.7930	1.7930	5.9366	5.9366
H10	3.9162	3.2946	4.9926	3.6561	4.2513	2.0421	5.6217	1.0894	6.2854		5.9366	5.9366	1.7930	1.7930
H11	2.8459	2.7367	2.3659	3.8689	2.1295	3.9757	1.0955	5.0852	1.7930	5.9366		1.7856	5.3995	5.0958
H12	2.8459	2.7367	2.3659	3.8689	2.1295	3.9757	1.0955	5.0852	1.7930	5.9366	1.7856		5.0958	5.3995
H13	2.8459	2.7367	3.8689	2.3659	3.9757	2.1295	5.0852	1.0955	5.9366	1.7930	5.3995	5.0958		1.7856
H14	2.8459	2.7367	3.8689	2.3659	3.9757	2.1295	5.0852	1.0955	5.9366	1.7930	5.0958	5.3995	1.7856

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	O5	127.217	C1	C2	O6	127.217
C2	C1	H3	121.608	C2	C1	H4	121.608
C2	O5	C7	115.897	C2	O6	C8	115.897
H3	C1	H4	116.784	O5	C2	O6	105.565
O5	C7	H9	104.699	O5	C7	H11	111.168
O5	C7	H12	111.168	O6	C8	H10	104.699
O6	C8	H13	111.168	O6	C8	H14	111.168
H9	C7	H11	110.292	H9	C7	H12	110.292
H10	C8	H13	110.292	H10	C8	H14	110.292
H11	C7	H12	109.166	H13	C8	H14	109.166

All results from a given calculation for C₄H₈O₂ (Ethene, 1,1-dimethoxy-)

using model chemistry: MP2/3-21G

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Number	Element	Mulliken	ESP
1	C	-0.512	-0.857
2	C	0.614	0.743
3	H	0.184	0.244
4	H	0.184	0.244
5	O	-0.532	-0.431
6	O	-0.532	-0.431
7	C	-0.290	0.055
8	C	-0.290	0.055
9	H	0.213	0.093
10	H	0.213	0.093
11	H	0.187	0.047
12	H	0.187	0.049
13	H	0.187	0.049
14	H	0.187	0.047

	x	y	z	Total
	0.000	0.000	1.827	1.827
CHELPG
AIM
ESP	0.011	0.000	1.856	1.856

<r²>	194.277
(<r²>)^1/2	13.938

All results from a given calculation for C4H8O2 (Ethene, 1,1-dimethoxy-)

using model chemistry: MP2/3-21G

States and conformations

All results from a given calculation for C₄H₈O₂ (Ethene, 1,1-dimethoxy-)